Summit Park, IL Weather Forecast & Current Conditions

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Summit Park, IL Weather Maps

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Summit Park Weather Map
UTC Time: 9/15/2026, 12:29
Your Time:

Summit Park, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
70%
Wednesday
Rain Showers
72°/ 68° 22°/ 20°
60%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Rain Showers
75°/ 65° 24°/ 18°
40%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. Showers likely in the morning. A chance of thunderstorms. A chance of showers in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph. Chance of precipitation 70 percent.

Night: Mostly cloudy. A chance of thunderstorms early in the evening. A chance of showers. A slight chance of thunderstorms in the late evening and overnight. Lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 50 percent.

Naperville, IL

Today
Thunderstorms
82°/ 62° 28°/ 17°
90%
Wednesday
Rain Showers
72°/ 65° 22°/ 18°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Friday
Rain Showers
78°/ 65° 26°/ 18°
40%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
40%

Day: Mostly cloudy. Showers in the morning. A chance of thunderstorms. A chance of showers in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph, becoming west in the afternoon. Chance of precipitation 90 percent.

Night: Mostly cloudy. A chance of thunderstorms early in the evening. A chance of showers. A slight chance of thunderstorms in the late evening and overnight. Lows in the lower 60s. North winds 5 to 10 mph. Chance of precipitation 50 percent.

Calumet City, IL

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
75°/ 68° 24°/ 20°
60%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Friday
Rain Showers
78°/ 65° 26°/ 18°
40%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds around 10 mph. Chance of precipitation 50 percent.

Night: A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Joliet, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
70%
Wednesday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Thursday
Thunderstorms
80°/ 65° 27°/ 18°
50%
Friday
Thunderstorms
78°/ 65° 26°/ 18°
40%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. Showers likely in the morning. A chance of thunderstorms. A chance of showers in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of precipitation 70 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 70 percent.

Evanston, IL

Today
Thunderstorms
80°/ 62° 27°/ 17°
100%
Wednesday
Rain Showers
72°/ 65° 22°/ 18°
50%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
50%
Friday
Rain Showers
75°/ 65° 24°/ 18°
40%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
70%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
40%

Day: Showers and a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Southwest winds 10 to 15 mph. Chance of precipitation near 100 percent.

Night: Mostly cloudy. A slight chance of showers in the evening. A slight chance of thunderstorms until early morning, then a chance of showers after midnight. Lows in the lower 60s. North winds around 5 mph. Chance of precipitation 40 percent.

Gary, IN

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Friday
Rain Showers
78°/ 62° 26°/ 17°
30%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms in the morning, then a slight chance of showers and thunderstorms early in the afternoon. A chance of showers and thunderstorms late. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: A chance of thunderstorms early in the evening. Showers likely. A slight chance of thunderstorms in the late evening and overnight. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Crete, IL

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
78°/ 65° 26°/ 18°
70%
Thursday
Thunderstorms
80°/ 62° 27°/ 17°
60%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
30%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: A chance of thunderstorms until early morning. Showers likely. A slight chance of thunderstorms late. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Aurora, IL

Today
Thunderstorms
80°/ 62° 27°/ 17°
100%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
40%

Day: Showers and a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Southwest winds 10 to 15 mph, becoming west in the afternoon. Chance of precipitation near 100 percent.

Night: Mostly cloudy. A slight chance of showers in the evening. A slight chance of thunderstorms. A chance of showers after midnight. Lows in the lower 60s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of precipitation 50 percent.

Waukegan, IL

Today
Thunderstorms
78°/ 58° 26°/ 14°
100%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
50%
Thursday
Thunderstorms
75°/ 60° 24°/ 16°
50%
Friday
Rain Showers
75°/ 62° 24°/ 17°
50%
Saturday
Thunderstorms
78°/ 60° 26°/ 16°
70%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
40%

Day: Showers and a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. A slight chance of thunderstorms late. Highs in the upper 70s. Southwest winds 10 to 15 mph. Chance of precipitation near 100 percent.

Night: Mostly cloudy. A slight chance of showers in the late evening and overnight. Lows in the upper 50s. North winds 5 to 10 mph. Chance of precipitation 20 percent.

Channahon, IL

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of precipitation 50 percent.

Night: A chance of thunderstorms until early morning. Showers likely. A slight chance of thunderstorms late. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Oswego, IL

Today
Thunderstorms
82°/ 62° 28°/ 17°
70%
Wednesday
Thunderstorms
75°/ 65° 24°/ 18°
60%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
50%
Friday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. Showers likely in the morning. A chance of thunderstorms. A chance of showers in the afternoon. Highs in the lower 80s. South winds 5 to 10 mph, becoming west in the afternoon. Chance of precipitation 70 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 60s. North winds 5 to 10 mph. Chance of precipitation 70 percent.

Morris, IL

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of precipitation 50 percent.

Night: A chance of thunderstorms until early morning. Showers likely. A slight chance of thunderstorms late. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Portage, IN

Today
Thunderstorms
85°/ 65° 29°/ 18°
70%
Wednesday
Thunderstorms
78°/ 65° 26°/ 18°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
60%
Friday
Rain Showers
78°/ 62° 26°/ 17°
30%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the mid 80s inland, but only in the lower 80s near the lake. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: A chance of thunderstorms early in the evening. Showers likely. A slight chance of thunderstorms in the late evening and overnight. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

Crystal Lake, IL

Today
Thunderstorms
78°/ 58° 26°/ 14°
100%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
50%
Thursday
Thunderstorms
75°/ 60° 24°/ 16°
50%
Friday
Rain Showers
75°/ 62° 24°/ 17°
60%
Saturday
Thunderstorms
78°/ 60° 26°/ 16°
70%
Sunday
Rain Showers
72°/ 55° 22°/ 13°
30%

Day: A slight chance of thunderstorms early in the morning. Showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds 10 to 15 mph, becoming west 5 to 10 mph in the afternoon. Chance of precipitation near 100 percent.

Night: Mostly cloudy. A slight chance of showers in the late evening and overnight. Lows in the upper 50s. North winds around 5 mph. Chance of precipitation 20 percent.

Kankakee, IL

Today
Thunderstorms
88°/ 65° 31°/ 18°
70%
Wednesday
Thunderstorms
78°/ 68° 26°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
78°/ 58° 26°/ 14°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds around 10 mph, becoming west in the afternoon. Chance of precipitation 40 percent.

Night: A chance of thunderstorms in the evening. Showers likely. A slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. North winds around 5 mph. Chance of precipitation 70 percent.

DeKalb, IL

Today
Thunderstorms
80°/ 60° 27°/ 16°
100%
Wednesday
Thunderstorms
72°/ 62° 22°/ 17°
60%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Friday
Thunderstorms
78°/ 62° 26°/ 17°
50%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Rain Showers
75°/ 55° 24°/ 13°
40%

Day: Showers and a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs around 80. Southwest winds 10 to 15 mph, becoming west in the afternoon. Chance of precipitation near 100 percent.

Night: Mostly cloudy. A slight chance of showers in the evening. A slight chance of thunderstorms. A chance of showers after midnight. Lows around 60. North winds 5 to 10 mph, becoming northeast after midnight. Chance of precipitation 50 percent.

Roselawn, IN

Today
Thunderstorms
88°/ 65° 31°/ 18°
70%
Wednesday
Thunderstorms
82°/ 68° 28°/ 20°
60%
Thursday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Friday
Thunderstorms
82°/ 65° 28°/ 18°
20%
Saturday
Rain Showers
85°/ 65° 29°/ 18°
60%
Sunday
Rain Showers
78°/ 55° 26°/ 13°
40%

Day: Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Warmer. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.

Night: A chance of thunderstorms early in the evening. Showers likely. A slight chance of thunderstorms in the late evening and overnight. Humid with lows in the mid 60s. Northwest winds around 5 mph, becoming northeast after midnight. Chance of precipitation 70 percent.

Michigan City, IN

Today
Thunderstorms
88°/ 65° 31°/ 18°
70%
Wednesday
Thunderstorms
78°/ 65° 26°/ 18°
70%
Thursday
Thunderstorms
80°/ 62° 27°/ 17°
70%
Friday
Rain Showers
78°/ 62° 26°/ 17°
30%
Saturday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%

Day: Partly cloudy with a chance of showers and thunderstorms. Highs in the upper 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: A chance of thunderstorms. Showers likely. Lows in the mid 60s. Northwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 70 percent.

Ottawa, IL

Today
Thunderstorms
82°/ 65° 28°/ 18°
70%
Wednesday
Thunderstorms
75°/ 68° 24°/ 20°
70%
Thursday
Thunderstorms
82°/ 65° 28°/ 18°
60%
Friday
Thunderstorms
82°/ 68° 28°/ 20°
50%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
40%

Day: Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers and thunderstorms. Highs in the lower 80s. Southwest winds 5 to 10 mph, becoming west in the afternoon. Chance of precipitation 50 percent.

Night: A chance of thunderstorms in the evening. Showers likely. A slight chance of thunderstorms after midnight. Lows in the mid 60s. North winds 5 to 10 mph. Chance of precipitation 70 percent.

Kenosha, WI

This Morning
Thunderstorms
58°14°
90%
Today
Thunderstorms
78°26°
90%
Wednesday
Rain Showers
72°/ 62° 22°/ 17°
60%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
40%
Friday
Rain Showers
72°/ 62° 22°/ 17°
60%
Saturday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Sunday
Thunderstorms
72°/ 55° 22°/ 13°
30%

Day: Showers and chance of thunderstorms. Southwest winds 10 to 20 mph. Chance of precipitation 90 percent.

Night: Mostly cloudy until early morning then becoming partly cloudy. Lows in the upper 50s. North winds up to 10 mph.

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