Keystone Park, IL Weather Forecast & Current Conditions

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Keystone Park, IL Weather Maps

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Keystone Park Weather Map
UTC Time: 9/16/2026, 20:49
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Keystone Park, IL

Afternoon
Rain Showers
72°/ 68° 22°/ 20°
80%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
70%
Friday
Mostly Cloudy
75°/ 65° 24°/ 18°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
80%
Sunday
Rain Showers
68°/ 62° 20°/ 17°
50%
Monday
Rain Showers
70°/ 58° 21°/ 14°
50%
Tuesday
Rain Showers
68°20°
30%

Day: Mostly cloudy. Scattered showers. Highs in the lower 70s. Northeast winds around 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers in the evening. Scattered thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of precipitation 80 percent.

Naperville, IL

Afternoon
Rain Showers
72°/ 65° 22°/ 18°
80%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
70%
Friday
Mostly Cloudy
75°/ 65° 24°/ 18°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
72°/ 60° 22°/ 16°
50%
Monday
Rain Showers
68°/ 58° 20°/ 14°
50%
Tuesday
Rain Showers
68°20°
30%

Day: Mostly cloudy. Scattered showers. Highs in the lower 70s. Northeast winds around 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers early in the evening, then isolated showers and thunderstorms late in the evening. Showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of precipitation 80 percent.

Evanston, IL

Afternoon
Rain Showers
72°/ 65° 22°/ 18°
70%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
70%
Friday
Mostly Cloudy
75°/ 65° 24°/ 18°
50%
Saturday
Thunderstorms
80°/ 65° 27°/ 18°
80%
Sunday
Rain Showers
70°/ 58° 21°/ 14°
60%
Monday
Rain Showers
68°/ 58° 20°/ 14°
50%
Tuesday
Rain Showers
68°20°
30%

Day: Mostly cloudy. Scattered showers. Highs in the lower 70s. Northeast winds around 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers with isolated thunderstorms in the evening, then numerous showers and thunderstorms after midnight. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of precipitation 70 percent.

Calumet City, IL

Afternoon
Rain Showers
72°/ 68° 22°/ 20°
80%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
80%
Friday
Mostly Cloudy
78°/ 65° 26°/ 18°
40%
Saturday
Thunderstorms
85°/ 68° 29°/ 20°
80%
Sunday
Rain Showers
72°/ 60° 22°/ 16°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
50%
Tuesday
Rain Showers
70°21°
30%

Day: Mostly cloudy. Scattered showers. Near steady temperature in the lower 70s. Northeast winds around 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers in the evening. Scattered thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of precipitation 80 percent.

Joliet, IL

Afternoon
Rain Showers
72°/ 68° 22°/ 20°
90%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
80%
Friday
Mostly Cloudy
78°/ 65° 26°/ 18°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
80%
Sunday
Rain Showers
75°/ 60° 24°/ 16°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
50%
Tuesday
Rain Showers
70°21°
30%

Day: Mostly cloudy. Scattered showers. Near steady temperature in the lower 70s. Northeast winds around 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers early in the evening, then isolated showers and thunderstorms late in the evening. Showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of precipitation 90 percent.

Waukegan, IL

Afternoon
Rain Showers
68°/ 65° 20°/ 18°
70%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
70%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
70%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
90%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
50%
Monday
Rain Showers
68°/ 55° 20°/ 13°
50%
Tuesday
Rain Showers
68°20°
30%

Day: Mostly cloudy. Isolated showers early in the afternoon, then scattered showers late. Near steady temperature in the upper 60s. Northeast winds around 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Isolated showers and thunderstorms in the evening, then numerous showers and thunderstorms after midnight. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of precipitation 70 percent.

Gary, IN

Afternoon
Rain Showers
72°/ 68° 22°/ 20°
80%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
90%
Friday
Mostly Cloudy
78°/ 62° 26°/ 17°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
80%
Sunday
Rain Showers
75°/ 60° 24°/ 16°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
50%
Tuesday
Rain Showers
70°21°
30%

Day: Mostly cloudy. Scattered showers. Not as warm. Near steady temperature in the lower 70s. North winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers in the evening. Scattered thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Humid. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph, becoming northwest after midnight. Chance of precipitation 80 percent.

Aurora, IL

Afternoon
Rain Showers
70°/ 65° 21°/ 18°
80%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
70%
Friday
Mostly Cloudy
75°/ 65° 24°/ 18°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
60%
Monday
Rain Showers
68°/ 58° 20°/ 14°
50%
Tuesday
Rain Showers
68°20°
30%

Day: Mostly cloudy. Scattered showers. Near steady temperature around 70. Northeast winds around 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Isolated showers in the evening. Isolated thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of precipitation 80 percent.

Oswego, IL

Afternoon
Rain Showers
72°/ 68° 22°/ 20°
90%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
80%
Friday
Mostly Cloudy
78°/ 65° 26°/ 18°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
75°/ 60° 24°/ 16°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
50%
Tuesday
Mostly Cloudy
70°21°
0%

Day: Mostly cloudy. Scattered showers. Near steady temperature in the lower 70s. Northeast winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers early in the evening, then isolated showers and thunderstorms late in the evening. Showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of precipitation 90 percent.

Crystal Lake, IL

Afternoon
Rain Showers
68°/ 62° 20°/ 17°
70%
Thursday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Friday
Thunderstorms
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
80°/ 62° 27°/ 17°
90%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
50%
Monday
Rain Showers
68°/ 55° 20°/ 13°
50%
Tuesday
Rain Showers
68°20°
30%

Day: Mostly cloudy. Isolated showers early in the afternoon, then scattered showers late. Near steady temperature in the upper 60s. Northeast winds around 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Isolated showers and thunderstorms in the evening, then numerous showers and thunderstorms after midnight. Lows in the lower 60s. Northeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Crete, IL

Afternoon
Rain Showers
75°/ 68° 24°/ 20°
80%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
90%
Friday
Mostly Cloudy
78°/ 62° 26°/ 17°
30%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
80%
Sunday
Rain Showers
75°/ 60° 24°/ 16°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
50%
Tuesday
Rain Showers
70°21°
30%

Day: Mostly cloudy. Scattered showers. Near steady temperature in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers in the evening. Scattered thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Humid. Near steady temperature in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 80 percent.

Channahon, IL

Afternoon
Rain Showers
75°/ 68° 24°/ 20°
90%
Thursday
Thunderstorms
78°/ 65° 26°/ 18°
90%
Friday
Mostly Cloudy
78°/ 65° 26°/ 18°
30%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Thunderstorms
75°/ 62° 24°/ 17°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
50%
Tuesday
Rain Showers
72°22°
30%

Day: Mostly cloudy. Scattered showers. Near steady temperature in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers in the evening. Scattered thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Humid. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph in the evening, becoming light and variable. Chance of precipitation 90 percent.

Portage, IN

Afternoon
Rain Showers
75°/ 68° 24°/ 20°
70%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Friday
Mostly Cloudy
78°/ 62° 26°/ 17°
40%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
80%
Sunday
Rain Showers
75°/ 58° 24°/ 14°
50%
Monday
Rain Showers
72°/ 58° 22°/ 14°
50%
Tuesday
Rain Showers
72°22°
30%

Day: Mostly cloudy. Scattered showers. Not as warm. Near steady temperature in the mid 70s. North winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers in the evening. Scattered thunderstorms late in the evening, then numerous showers and thunderstorms after midnight. Humid. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph, becoming southwest after midnight. Chance of precipitation 70 percent.

Morris, IL

Afternoon
Rain Showers
75°/ 68° 24°/ 20°
90%
Thursday
Thunderstorms
80°/ 65° 27°/ 18°
90%
Friday
Mostly Cloudy
80°/ 65° 27°/ 18°
40%
Saturday
Thunderstorms
88°/ 65° 31°/ 18°
70%
Sunday
Rain Showers
78°/ 62° 26°/ 17°
50%
Monday
Rain Showers
75°/ 58° 24°/ 14°
50%
Tuesday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy. Scattered showers. Near steady temperature in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Isolated showers in the evening. Isolated thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of precipitation 90 percent.

DeKalb, IL

Afternoon
Rain Showers
72°/ 65° 22°/ 18°
90%
Thursday
Thunderstorms
75°/ 62° 24°/ 17°
70%
Friday
Thunderstorms
75°/ 65° 24°/ 18°
50%
Saturday
Thunderstorms
82°/ 65° 28°/ 18°
70%
Sunday
Rain Showers
72°/ 58° 22°/ 14°
50%
Monday
Rain Showers
68°/ 55° 20°/ 13°
50%
Tuesday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Scattered showers. Near steady temperature in the lower 70s. East winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Isolated showers in the evening. Isolated thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Kankakee, IL

Afternoon
Rain Showers
75°/ 68° 24°/ 20°
80%
Thursday
Thunderstorms
80°/ 65° 27°/ 18°
90%
Friday
Mostly Cloudy
80°/ 65° 27°/ 18°
30%
Saturday
Thunderstorms
88°/ 65° 31°/ 18°
70%
Sunday
Thunderstorms
78°/ 60° 26°/ 16°
50%
Monday
Rain Showers
75°/ 58° 24°/ 14°
50%
Tuesday
Rain Showers
72°22°
30%

Day: Mostly cloudy. Scattered showers. Not as warm. Near steady temperature in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Scattered showers in the evening. Scattered thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Humid with lows in the upper 60s. Northeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 80 percent.

Kenosha, WI

Today
Sprinkles
70°/ 62° 21°/ 17°
50%
Thursday
Rain Showers
72°/ 58° 22°/ 14°
50%
Friday
Rain Showers
72°/ 62° 22°/ 17°
80%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
90%
Sunday
Rain Showers
68°/ 58° 20°/ 14°
50%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Tuesday
Rain Showers
65°18°
30%

Day: Cloudy. Chance of sprinkles. Highs around 70. Northeast winds 5 to 10 mph.

Night: Cloudy. Chance of sprinkles late in the evening. Chance of light showers and thunderstorms after midnight. Near steady temperature in the lower 60s. Northeast winds up to 10 mph. Chance of precipitation 50 percent.

Whitewater, WI

Today
Sprinkles
72°/ 60° 22°/ 16°
50%
Thursday
Thunderstorms
72°/ 55° 22°/ 13°
50%
Friday
Rain Showers
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
78°/ 62° 26°/ 17°
90%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
50%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
50%
Tuesday
Rain Showers
65°18°
30%

Day: Cloudy. Chance of sprinkles. Highs in the lower 70s. East winds 5 to 10 mph.

Night: Cloudy. Chance of sprinkles late in the evening. Chance of light showers and thunderstorms after midnight. Lows around 60. Northeast winds up to 10 mph. Chance of precipitation 50 percent.

Michigan City, IN

Afternoon
Thunderstorms
72°/ 68° 22°/ 20°
70%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
70%
Friday
Cloudy
75°/ 60° 24°/ 16°
40%
Saturday
Thunderstorms
80°/ 65° 27°/ 18°
80%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Monday
Thunderstorms
72°/ 55° 22°/ 13°
50%
Tuesday
Thunderstorms
70°21°
40%

Day: Mostly cloudy with a slight chance of showers and thunderstorms. Cooler. Near steady temperature in the lower 70s. North winds around 5 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Lows in the upper 60s. Northeast winds around 5 mph, becoming south around 5 mph after midnight. Chance of rain 70 percent.

Ottawa, IL

Afternoon
Rain Showers
75°/ 68° 24°/ 20°
90%
Thursday
Thunderstorms
78°/ 62° 26°/ 17°
90%
Friday
Thunderstorms
78°/ 68° 26°/ 20°
40%
Saturday
Thunderstorms
85°/ 65° 29°/ 18°
70%
Sunday
Rain Showers
75°/ 60° 24°/ 16°
60%
Monday
Rain Showers
72°/ 58° 22°/ 14°
50%
Tuesday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy. Scattered showers. Near steady temperature in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation 30 percent.

Night: Mostly cloudy. Isolated showers in the evening. Isolated thunderstorms late in the evening, then showers and thunderstorms after midnight. Locally heavy rainfall possible after midnight. Lows in the upper 60s. East winds 5 to 10 mph. Chance of precipitation 90 percent.

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