Brookhaven, IL Weather Forecast & Current Conditions

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Brookhaven Weather Map
UTC Time: 10/16/2026, 02:23
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Brookhaven, IL Regional Weather

Expires:202610160300;;169946
ASUS43 KLOT 160212
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 PM CDT THU OCT 15 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.

* THESE STATIONS ARE NOT UNDER NWS QUALITY CONTROL. THEY ALSO MAY NOT
  REPORT WEATHER SUCH AS PRECIPITATION OR FOG.


ILZ005-006-012>014-019>023-160300-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    65  64  97 W9        29.73S TC  18           
CHICAGO-MIDWAY CLOUDY    66  65  96 W17G25    29.74F TC  19           
AURORA         CLOUDY    65  64  97 W15G26    29.77R TC  18           
JOLIET*        CLOUDY    68  68  99 W7        29.79R TC  20           
WAUKEGAN       CLOUDY    61  60  97 W8        29.71F TC  16           
DUPAGE AIRPORT LGT RAIN  65  63  93 W12       29.76S TC  18           
KANKAKEE*      CLOUDY    70  68  95 W14G23    29.81S TC  21           
WHEELING       CLOUDY    65  64  97 W9G20     29.75R TC  18           
ROMEOVILLE*    CLOUDY    66  66 100 W16       29.78R TC  19           
LANSING*       CLOUDY    68  66  92 W16G22    29.77R TC  20           
NORTHERLY ISL*   N/A     64  62  93 S6          N/A  TC  18           
$$


SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Brookhaven, IL

Late Afternoon
Thunderstorms
45°7°
90%
Friday
Rain Showers
52°/ 32° 11°/ 0°
50%
Saturday
Sunny
55°/ 38° 13°/ 3°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
72°/ 45° 22°/ 7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures around 60. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers likely and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the mid 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 70 percent.

Naperville, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
55°/ 35° 13°/ 2°
60%
Saturday
Sunny
55°/ 38° 13°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Cloudy
68°/ 45° 20°/ 7°
0%
Tuesday
Cloudy
70°/ 45° 21°/ 7°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the lower 60s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 80 percent.

Evanston, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
55°/ 38° 13°/ 3°
70%
Saturday
Sunny
58°/ 40° 14°/ 4°
0%
Sunday
Sunny
62°/ 42° 17°/ 6°
0%
Monday
Cloudy
68°/ 45° 20°/ 7°
0%
Tuesday
Cloudy
70°/ 48° 21°/ 9°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures around 60. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 80 percent.

Crystal Lake, IL

Late Afternoon
Thunderstorms
45°7°
90%
Friday
Rain Showers
52°/ 32° 11°/ 0°
50%
Saturday
Sunny
55°/ 38° 13°/ 3°
0%
Sunday
Sunny
62°/ 40° 17°/ 4°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
70°/ 45° 21°/ 7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the upper 50s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the mid 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 90 percent.

DeKalb, IL

Late Afternoon
Thunderstorms
45°7°
90%
Friday
Rain Showers
52°/ 32° 11°/ 0°
50%
Saturday
Sunny
55°/ 38° 13°/ 3°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
72°/ 45° 22°/ 7°
0%
Wednesday
Cloudy
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures around 60. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers likely and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 70 percent.

Oswego, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
52°/ 35° 11°/ 2°
50%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
72°/ 45° 22°/ 7°
0%
Wednesday
Cloudy
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
75°24°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the lower 60s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers likely and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 70 percent.

Joliet, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
55°/ 35° 13°/ 2°
50%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
72°/ 45° 22°/ 7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
75°24°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the lower 60s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers likely and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. A slight chance of showers after midnight. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 70 percent.

Waukegan, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
52°/ 35° 11°/ 2°
70%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
62°/ 42° 17°/ 6°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
68°/ 45° 20°/ 7°
0%
Wednesday
Cloudy
70°/ 48° 21°/ 9°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the upper 50s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 80 percent.

Chicago, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
55°/ 42° 13°/ 6°
70%
Saturday
Sunny
58°/ 42° 14°/ 6°
0%
Sunday
Sunny
62°/ 45° 17°/ 7°
0%
Monday
Cloudy
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
70°/ 52° 21°/ 11°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the lower 60s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. A slight chance of showers after midnight. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 80 percent.

Belvidere, IL

Late Afternoon
Thunderstorms
45°7°
90%
Friday
Rain Showers
52°/ 32° 11°/ 0°
50%
Saturday
Sunny
55°/ 38° 13°/ 3°
0%
Sunday
Sunny
62°/ 40° 17°/ 4°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
70°/ 45° 21°/ 7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the upper 50s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the mid 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 80 percent.

Calumet City, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
55°/ 42° 13°/ 6°
70%
Saturday
Cloudy
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Cloudy
68°/ 45° 20°/ 7°
0%
Tuesday
Cloudy
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Cloudy
75°24°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the lower 60s. Southeast winds around 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers and a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 80 percent.

Rochelle, IL

Late Afternoon
Thunderstorms
45°7°
90%
Friday
Rain Showers
52°/ 32° 11°/ 0°
50%
Saturday
Sunny
55°/ 38° 13°/ 3°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
72°/ 45° 22°/ 7°
0%
Wednesday
Cloudy
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the upper 50s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers likely and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 70 percent.

Rockford, IL

Late Afternoon
Thunderstorms
45°7°
90%
Friday
Rain Showers
52°/ 32° 11°/ 0°
50%
Saturday
Sunny
55°/ 38° 13°/ 3°
0%
Sunday
Sunny
62°/ 40° 17°/ 4°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
70°/ 45° 21°/ 7°
0%
Wednesday
Cloudy
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
72°22°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the upper 50s. Southeast winds around 5 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers likely early in the evening, then a chance of showers late in the evening. Breezy. Lows in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 70 percent.

Ottawa, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
52°/ 32° 11°/ 0°
50%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Cloudy
70°/ 42° 21°/ 6°
0%
Tuesday
Cloudy
72°/ 45° 22°/ 7°
0%
Wednesday
Cloudy
75°/ 50° 24°/ 10°
0%
Thursday
Cloudy
75°24°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the mid 60s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. A slight chance of thunderstorms early in the evening. A chance of showers in the evening. Breezy. Lows in the upper 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent.

Dixon, IL

Late Afternoon
Thunderstorms
45°7°
90%
Friday
Rain Showers
52°/ 32° 11°/ 0°
50%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Cloudy
72°/ 45° 22°/ 7°
0%
Wednesday
Cloudy
72°/ 50° 22°/ 10°
0%
Thursday
Cloudy
75°24°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the lower 60s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers likely and a slight chance of thunderstorms early in the evening, then a chance of showers late in the evening. Breezy. Lows in the mid 40s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 70 percent.

Morris, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
55°/ 35° 13°/ 2°
50%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Cloudy
72°/ 42° 22°/ 6°
0%
Tuesday
Cloudy
75°/ 45° 24°/ 7°
0%
Wednesday
Sunny
75°/ 50° 24°/ 10°
0%
Thursday
Cloudy
78°26°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the mid 60s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers likely and a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 70 percent.

Whitewater, WI

Late Afternoon
Rain Showers
45°7°
100%
Friday
Rain Showers
52°/ 30° 11°/ -1°
80%
Saturday
Sunny
55°/ 38° 13°/ 3°
0%
Sunday
Sunny
62°/ 40° 17°/ 4°
0%
Monday
Partly Cloudy
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Rain Showers
72°22°
20%

Day: Rain showers. Southeast winds 5 to 10 mph. Chance of showers near 100 percent.

Night: Cloudy. Light rain showers in the evening, then chance of light rain showers late in the evening. Lows in the mid 40s. West winds 5 to 15 mph shifting to the northwest 15 to 20 mph after midnight. Chance of showers 90 percent.

Channahon, IL

Late Afternoon
Thunderstorms
48°9°
90%
Friday
Rain Showers
55°/ 35° 13°/ 2°
50%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
65°/ 40° 18°/ 4°
0%
Monday
Cloudy
70°/ 42° 21°/ 6°
0%
Tuesday
Cloudy
72°/ 45° 22°/ 7°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
75°24°
0%

Day: Showers and a slight chance of thunderstorms. Temperatures in the mid 60s. Southeast winds around 10 mph. Chance of precipitation 90 percent.

Night: Cloudy. Showers likely and a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph, increasing to west 15 to 20 mph after midnight. Gusts up to 30 mph. Chance of precipitation 70 percent.

Champaign, IL

Tonight
Thunderstorms
48°9°
70%
Friday
Rain Showers
55°/ 35° 13°/ 2°
40%
Saturday
Sunny
58°/ 35° 14°/ 2°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Cloudy
72°22°
0%
Tuesday
Cloudy
72°/ 48° 22°/ 9°
0%
Wednesday
Clear
48°9°
0%
Thursday
Clear
48°9°
0%

Night: Mostly cloudy. Showers likely with a chance of thunderstorms this evening, then a chance of showers after midnight. Cooler with lows in the upper 40s. Southwest winds 10 to 15 mph, becoming northwest 15 to 20 mph after midnight. Chance of rain 70 percent.

Kenosha, WI

Late Afternoon
Thunderstorms
48°9°
100%
Friday
Rain Showers
52°/ 32° 11°/ 0°
80%
Saturday
Sunny
58°/ 38° 14°/ 3°
0%
Sunday
Sunny
62°/ 42° 17°/ 6°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Rain Showers
70°21°
20%

Day: Rain showers and slight chance of thunderstorms. Southeast winds 5 to 10 mph. Chance of precipitation near 100 percent.

Night: Cloudy. Light rain showers in the evening, then chance of light rain showers late in the evening. Lows in the upper 40s. Southwest winds 5 to 10 mph increasing to west 15 to 20 mph after midnight. Chance of showers 90 percent.

Names listed above may include county names.

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