Costello School, IL Weather Forecast & Current Conditions

Day: Sunny. Near steady temperature in the upper 60s. South winds around 5 mph.

Night: Clear. Lows around 50. South winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs in the lower 70s inland, but only in the mid 60s near the lake. Northeast winds around 5 mph.

Night: Partly cloudy. Lows around 50. East winds around 5 mph.

Day: Partly cloudy in the morning, then clearing. Highs around 70. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s.

Day: Partly cloudy. Highs around 70.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the mid 50s.

Day: Mostly cloudy. Highs in the upper 60s.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the lower 60s.

Day: Sunny. Near steady temperature in the upper 60s. Southwest winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the upper 40s. South winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. East winds around 5 mph in the evening, becoming light and variable.

Day: Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Partly cloudy. Lows around 50.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs around 70.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the upper 60s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the lower 60s.

Day: Sunny. Highs in the lower 70s. Southwest winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the upper 40s. Southeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Partly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the upper 60s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the mid 60s.

Day: Sunny. Highs in the lower 70s inland, but only in the upper 60s near the lake. Southwest winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the upper 40s. Southwest winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s inland, but only in the mid 60s near the lake. Northeast winds around 5 mph.

Night: Partly cloudy. Lows in the upper 40s. East winds around 5 mph.

Day: Partly cloudy in the morning, then clearing. Highs in the lower 70s inland, but only in the upper 60s near the lake. Southeast winds around 5 mph.

Night: Partly cloudy. Lows around 50.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs around 70.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the mid 60s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the lower 60s.

Day: Sunny. Highs in the lower 70s. Southwest winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. East winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs around 70.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 60s.

Day: Sunny. Highs in the lower 70s inland, but only in the upper 60s near the lake. South winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. East winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. East winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Partly cloudy. Highs in the lower 70s.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs around 70.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 60s.

Day: Sunny. Highs in the lower 70s. Southwest winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. East winds around 5 mph in the evening, becoming light and variable.

Day: Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the upper 60s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the lower 60s.

Day: Sunny. Highs in the lower 70s inland, but only in the mid 60s near the lake. South winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Southwest winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Patchy fog early in the morning. Highs around 70 inland, but only in the mid 60s near the lake. Temperature falling into the mid 60s in the afternoon. North winds around 5 mph, becoming east in the afternoon.

Night: Partly cloudy. Lows in the upper 40s. Northeast winds around 5 mph.

Day: Partly cloudy in the morning, then clearing. Highs around 70 inland, but only in the mid 60s near the lake. Southeast winds 5 to 10 mph.

Night: Partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs around 70.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the mid 60s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs around 60.

Day: Sunny. Highs in the lower 70s. Light and variable winds.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 40s. East winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.

Day: Partly cloudy. Highs in the lower 70s.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 60s.

Day: Sunny. Highs in the lower 70s. Southwest winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the mid 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. East winds around 5 mph.

Day: Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 70s.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs around 70.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 60s.

Day: Sunny. Highs in the lower 70s. Light and variable winds.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the mid 70s. Light and variable winds, becoming north around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 40s. East winds around 5 mph in the evening, becoming light and variable.

Day: Mostly sunny. Highs in the mid 70s. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 60s.

Day: Sunny. Highs in the mid 70s. Light and variable winds.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the mid 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 40s. East winds around 5 mph in the evening, becoming light and variable.

Day: Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the upper 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the upper 60s.

Day: Sunny. Highs in the lower 70s. Southwest winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. East winds around 5 mph in the evening, becoming light and variable.

Day: Partly cloudy in the morning, then clearing. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs around 70.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the mid 60s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the lower 60s.

Day: Sunny. Highs in the lower 70s inland, but only in the upper 60s near the lake. West winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s inland, but only in the upper 60s near the lake. Light and variable winds, becoming north around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. East winds around 5 mph.

Day: Mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Mostly clear. Lows in the mid 40s.

Day: Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 70s.

Night: Partly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs around 70.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 60s.

Day: Sunny. Highs in the mid 70s. Light and variable winds.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the mid 70s. Light and variable winds, becoming north around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 40s. East winds around 5 mph in the evening, becoming light and variable.

Day: Mostly sunny. Highs in the mid 70s. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.

Day: Partly cloudy. Highs in the lower 70s.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the upper 60s.

Day: Sunny. Highs in the lower 70s. Southwest winds around 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the mid 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Clear in the evening, then becoming partly cloudy. Lows in the upper 40s. East winds around 5 mph.

Day: Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 70s. Southeast winds around 5 mph.

Night: Partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the upper 60s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the lower 60s.

Day: Sunny. Highs in the mid 70s. Southwest winds around 5 mph.

Night: Clear. Patchy fog late. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the mid 70s. Light and variable winds, becoming northeast around 5 mph in the afternoon.

Night: Mostly clear. Lows in the upper 40s. East winds around 5 mph.

Day: Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Southeast winds around 5 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the mid 70s.

Night: Mostly cloudy. Lows around 50.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the mid 60s.

Day: Sunny. Near steady temperature in the upper 60s. West winds around 5 mph.

Night: Clear. Lows in the mid 40s. North winds around 5 mph in the evening, becoming light and variable.

Day: Sunny. Highs around 70. Light and variable winds, becoming north around 5 mph in the afternoon.

Night: Mostly clear. Lows in the mid 40s. Northeast winds around 5 mph, becoming east after midnight.

Day: Mostly sunny. Highs around 70. Southeast winds around 5 mph.

Night: Mostly clear. Lows in the mid 40s.

Day: Mostly sunny. Highs in the upper 60s.

Night: Mostly clear. Lows in the mid 40s.

Day: Partly cloudy. Highs in the lower 70s.

Night: Partly cloudy. Lows in the upper 40s.

Day: Partly cloudy. Highs in the upper 60s.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 40s.

Day: Partly cloudy. Highs in the lower 60s.

Day: Sunny. Highs in the lower 70s. Light and variable winds.

Night: Clear. Patchy fog late. Lows in the mid 40s. Light and variable winds.

Day: Sunny. Patchy fog early in the morning. Highs in the lower 70s. Light and variable winds, becoming north around 5 mph in the afternoon.

Night: Clear in the evening, then becoming partly cloudy. Lows in the mid 40s. Northeast winds around 5 mph in the evening, becoming light and variable.

Day: Mostly sunny. Highs in the lower 70s. Light and variable winds, becoming southeast around 5 mph in the afternoon.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.

Day: Partly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the mid 40s.

Day: Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy. Lows in the upper 40s.

Day: Mostly cloudy. Highs in the upper 60s.

Day: Sunny. Highs in the lower 70s. Southwest winds up to 5 mph.

Night: Clear. Patchy fog after midnight. Lows in the upper 40s. Southwest winds up to 5 mph shifting to the northwest after midnight.

Day: Sunny. Patchy fog in the morning. Highs in the upper 60s. Northeast winds up to 5 mph.

Night: Partly cloudy through around midnight then becoming mostly cloudy. Patchy fog through the night. Lows in the upper 40s. East winds up to 5 mph through around midnight becoming calm.

Day: Mostly sunny. Areas of fog in the morning. Highs around 70. Southeast winds up to 10 mph.

Night: Partly cloudy. Lows around 50.

Day: Partly sunny. Highs around 70.

Night: Mostly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the lower 70s.

Night: Mostly cloudy through around midnight then becoming partly cloudy. Lows in the lower 50s.

Day: Mostly cloudy. Highs in the mid 60s.

Night: Mostly cloudy. A 20 percent chance of light rain showers after midnight. Lows in the upper 40s.

Day: Mostly cloudy with a 30 percent chance of light rain showers. Highs in the upper 50s.