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Mattis Lake, IL 7-Day Night Weather Forecast
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Mattis Lake, IL Weather Forecast
Mattis Lake, IL Weather Forecast Date: 437 AM CDT Fri Aug 21 2026
The area/counties/county of: Champaign, including the cities of: Champaign and Urbana.or toggle through each period.
Today... Patchy fog this morning. Sunny. Highs in the lower 80s. Light and variable winds, becoming west around 5 mph this afternoon.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Southwest winds around 5 mph. Chance of rain 40%.
Saturday... Sunny. Highs around 80. Northwest winds 10 to 15 mph.
Saturday Night... Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph.
Sunday... Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph.
Sunday Night... Partly cloudy. Lows in the upper 50s. Highs in the upper 70s.
Monday... Partly cloudy. Lows in the upper 50s. Highs in the upper 70s.
Tuesday... Partly cloudy. Lows in the upper 50s. Highs in the upper 70s.
Tuesday Night... Partly cloudy. Lows in the lower 60s.
Wednesday... Partly sunny. Highs in the lower 80s.
Wednesday Night... Partly cloudy. Lows in the lower 60s.
POP = Probability of Precipitation
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