Brookside Park, IL Weather Forecast & Current Conditions

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Brookside Park, IL Weather Maps

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Brookside Park Weather Map
UTC Time: 9/19/2026, 20:23
Your Time:

Brookside Park, IL

Afternoon
Thunderstorms
72°/ 68° 22°/ 20°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Thunderstorms
62°/ 52° 17°/ 11°
40%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A slight chance of thunderstorms early in the afternoon. A chance of showers. A chance of thunderstorms late. Highs in the lower 70s. Southeast winds around 5 mph. Chance of precipitation 50 percent.

Night: Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Humid. Near steady temperature in the upper 60s. East winds around 5 mph, becoming northwest after midnight. Chance of precipitation near 100 percent.

Crete, IL

Afternoon
Thunderstorms
72°/ 68° 22°/ 20°
90%
Sunday
Thunderstorms
70°/ 55° 21°/ 13°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Thunderstorms
62°/ 52° 17°/ 11°
40%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the lower 70s. South winds around 5 mph. Chance of precipitation 40 percent.

Night: A chance of showers early in the evening. A chance of thunderstorms. Showers in the late evening and overnight. Humid. Near steady temperature in the upper 60s. East winds around 5 mph, becoming west after midnight. Chance of precipitation 90 percent.

Calumet City, IL

Afternoon
Thunderstorms
72°/ 68° 22°/ 20°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
80%
Monday
Rain Showers
65°/ 55° 18°/ 13°
40%
Tuesday
Rain Showers
62°/ 55° 17°/ 13°
30%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the lower 70s. Southeast winds around 5 mph. Chance of precipitation 50 percent.

Night: Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Humid. Near steady temperature in the upper 60s. East winds around 5 mph, becoming west after midnight. Chance of precipitation near 100 percent.

Channahon, IL

Afternoon
Thunderstorms
75°/ 68° 24°/ 20°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Thunderstorms
65°/ 52° 18°/ 11°
40%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the mid 70s. South winds around 5 mph. Chance of precipitation 40 percent.

Night: A chance of showers early in the evening. A chance of thunderstorms. Showers in the late evening and overnight. Humid with lows in the upper 60s. East winds around 5 mph, becoming west after midnight. Chance of precipitation 90 percent.

Chicago, IL

Afternoon
Thunderstorms
68°/ 68° 20°/ 20°
100%
Sunday
Thunderstorms
65°/ 58° 18°/ 14°
80%
Monday
Rain Showers
65°/ 55° 18°/ 13°
40%
Tuesday
Rain Showers
62°/ 55° 17°/ 13°
30%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
65°/ 58° 18°/ 14°
0%
Friday
Mostly Cloudy
70°21°
0%

Day: Cloudy. A slight chance of thunderstorms early in the afternoon. A chance of showers. A chance of thunderstorms late. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of precipitation 50 percent.

Night: Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Humid. Near steady temperature in the upper 60s. East winds around 5 mph, becoming northwest after midnight. Chance of precipitation near 100 percent.

Kankakee, IL

Afternoon
Thunderstorms
75°/ 65° 24°/ 18°
70%
Sunday
Thunderstorms
72°/ 55° 22°/ 13°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Thunderstorms
65°/ 52° 18°/ 11°
50%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A slight chance of showers and thunderstorms. Highs in the mid 70s. Southeast winds around 5 mph. Chance of precipitation 20 percent.

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

Naperville, IL

Afternoon
Thunderstorms
70°/ 68° 21°/ 20°
100%
Sunday
Thunderstorms
65°/ 58° 18°/ 14°
80%
Monday
Rain Showers
65°/ 55° 18°/ 13°
40%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: A slight chance of thunderstorms early in the afternoon. Showers likely. A chance of thunderstorms late. Near steady temperature around 70. Southeast winds around 5 mph. Chance of precipitation 70 percent.

Night: Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Humid. Near steady temperature in the upper 60s. East winds around 5 mph, becoming west after midnight. Chance of precipitation near 100 percent.

Gary, IN

Afternoon
Thunderstorms
72°/ 68° 22°/ 20°
100%
Sunday
Thunderstorms
72°/ 55° 22°/ 13°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
40%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the lower 70s. Southeast winds around 5 mph. Chance of precipitation 40 percent.

Night: A chance of showers early in the evening. A chance of thunderstorms. Showers in the late evening and overnight. Some thunderstorms may produce heavy rainfall. Humid. Near steady temperature in the upper 60s. East winds around 5 mph, becoming southwest after midnight. Chance of precipitation near 100 percent.

Morris, IL

Afternoon
Thunderstorms
78°/ 68° 26°/ 20°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
80%
Monday
Rain Showers
65°/ 55° 18°/ 13°
50%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
40%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers early in the afternoon. A slight chance of thunderstorms. A slight chance of showers late. Highs in the upper 70s. Southeast winds around 5 mph. Chance of precipitation 40 percent.

Night: A chance of showers early in the evening. A chance of thunderstorms. Showers in the late evening and overnight. Humid with lows in the upper 60s. East winds around 5 mph, becoming west after midnight. Chance of precipitation 90 percent.

Oswego, IL

Afternoon
Thunderstorms
75°/ 65° 24°/ 18°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A slight chance of thunderstorms early in the afternoon. A chance of showers. A chance of thunderstorms late. Highs in the mid 70s. Southeast winds around 5 mph. Chance of precipitation 50 percent.

Night: Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Humid with lows in the mid 60s. East winds around 5 mph, becoming west after midnight. Chance of precipitation near 100 percent.

Aurora, IL

Afternoon
Thunderstorms
72°/ 68° 22°/ 20°
100%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: A slight chance of thunderstorms early in the afternoon. Showers. A chance of thunderstorms late. Highs in the lower 70s. Southeast winds around 5 mph. Chance of precipitation 80 percent.

Night: Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds around 5 mph, becoming north after midnight. Chance of precipitation near 100 percent.

Roselawn, IN

Afternoon
Thunderstorms
75°/ 68° 24°/ 20°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Monday
Rain Showers
65°/ 50° 18°/ 10°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms late. Highs in the mid 70s. Southeast winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers in the evening. A chance of thunderstorms. Showers likely after midnight. Humid with lows in the upper 60s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Portage, IN

Afternoon
Thunderstorms
72°/ 68° 22°/ 20°
100%
Sunday
Thunderstorms
72°/ 52° 22°/ 11°
80%
Monday
Rain Showers
65°/ 50° 18°/ 10°
40%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the lower 70s. South winds around 5 mph. Chance of precipitation 40 percent.

Night: A chance of showers early in the evening. A chance of thunderstorms. Showers in the late evening and overnight. Some thunderstorms may produce heavy rainfall. Humid. Near steady temperature in the upper 60s. East winds around 5 mph, becoming southwest after midnight. Chance of precipitation near 100 percent.

Watseka, IL

Afternoon
Mostly Cloudy
78°/ 68° 26°/ 20°
50%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
80%
Monday
Rain Showers
68°/ 52° 20°/ 11°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Mostly cloudy. Highs in the upper 70s. Southeast winds around 5 mph.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Humid with lows in the upper 60s. Southeast winds around 5 mph, becoming northeast after midnight. Chance of precipitation 50 percent.

Evanston, IL

Afternoon
Thunderstorms
68°/ 68° 20°/ 20°
100%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
40%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Wednesday
Mostly Cloudy
62°/ 55° 17°/ 13°
0%
Thursday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Friday
Mostly Cloudy
70°21°
0%

Day: A slight chance of thunderstorms early in the afternoon. Showers likely. A chance of thunderstorms late. Near steady temperature in the upper 60s. East winds around 5 mph. Chance of precipitation 70 percent.

Night: Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Near steady temperature in the upper 60s. East winds 5 to 10 mph. Chance of precipitation near 100 percent.

Paxton, IL

Afternoon
Mostly Cloudy
78°/ 68° 26°/ 20°
50%
Sunday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Mostly cloudy. Highs in the upper 70s. Southeast winds around 5 mph.

Night: Mostly cloudy. A slight chance of showers in the late evening and early morning. A slight chance of thunderstorms in the late evening and overnight. A chance of showers late. Humid with lows in the upper 60s. Southeast winds around 5 mph, becoming northeast after midnight. Chance of precipitation 50 percent.

Ottawa, IL

Afternoon
Thunderstorms
78°/ 68° 26°/ 20°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Cloudy. A chance of showers and a slight chance of thunderstorms. Highs in the upper 70s. Southeast winds around 5 mph. Chance of precipitation 50 percent.

Night: A chance of showers early in the evening. A chance of thunderstorms. Showers in the late evening and overnight. Humid with lows in the upper 60s. East winds around 5 mph, becoming west after midnight. Chance of precipitation near 100 percent.

Pontiac, IL

Afternoon
Mostly Cloudy
78°/ 68° 26°/ 20°
50%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Monday
Rain Showers
68°/ 52° 20°/ 11°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Friday
Mostly Cloudy
75°24°
0%

Day: Mostly cloudy. Highs in the upper 70s. Southeast winds around 5 mph.

Night: Mostly cloudy. A slight chance of showers and thunderstorms early in the evening, then a chance of showers and thunderstorms in the late evening and overnight. Humid with lows in the upper 60s. Southeast winds around 5 mph, becoming north after midnight. Chance of precipitation 50 percent.

DeKalb, IL

Afternoon
Thunderstorms
72°/ 62° 22°/ 17°
100%
Sunday
Thunderstorms
65°/ 55° 18°/ 13°
80%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: A slight chance of thunderstorms early in the afternoon. Showers. A chance of thunderstorms late. Highs in the lower 70s. Southeast winds 5 to 10 mph. Chance of precipitation 80 percent.

Night: Showers with a chance of thunderstorms. Some thunderstorms may produce heavy rainfall. Lows in the lower 60s. East winds around 5 mph, becoming north after midnight. Chance of precipitation near 100 percent.

Rensselaer, IN

Afternoon
Thunderstorms
72°/ 68° 22°/ 20°
70%
Sunday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Monday
Rain Showers
65°/ 50° 18°/ 10°
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms. Near steady temperature in the lower 70s. South winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers in the evening. A chance of thunderstorms. Showers likely after midnight. Humid with lows in the upper 60s. East winds around 5 mph, becoming west after midnight. Chance of precipitation 70 percent.

Names listed above may include county names.

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