Oak Brook, IL Weather Forecast & Current Conditions

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Oak Brook Weather Map
UTC Time: 11/12/2026, 05:51
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Oak Brook, IL Regional Weather

Expires:202611120600;;675399
ASUS43 KLOT 120512
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1100 PM CST WED NOV 11 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>023-120600-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    46  42  86 NW6       29.82S TC   8           
CHICAGO-MIDWAY CLOUDY    47  42  83 NW9       29.82S TC   8           
AURORA         CLOUDY    42  40  92 NW7       29.84S TC   6           
JOLIET*        MOCLDY    46  44  91 N5        29.84S TC   8           
WAUKEGAN       CLOUDY    47  43  86 N7        29.82S TC   8           
DUPAGE AIRPORT CLOUDY    45  42  89 NW7       29.84S TC   7           
KANKAKEE*      CLOUDY    46  42  88 N7        29.83S TC   8           
WHEELING       CLOUDY    46  43  89 NW8       29.84S TC   8           
ROMEOVILLE*    MOCLDY    45  45 100 NW6       29.84S TC   7           
LANSING*       MOCLDY    47  42  82 NW6       29.82S TC   8           
NORTHERLY ISL*   N/A     50  41  71 NW9         N/A  TC  10           
$$


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

Oak Brook, IL

Tonight
Rain
20%
Thursday
Rain
42°/ 32° 6°/ 0°
70%
Friday
Cloudy
42°/ 28° 6°/ -2°
0%
Saturday
Cloudy
45°/ 28° 7°/ -2°
0%
Sunday
Cloudy
48°/ 30° 9°/ -1°
0%
Monday
Cloudy
48°/ 32° 9°/ 0°
0%
Tuesday
Sunny
52°/ 30° 11°/ -1°
0%
Wednesday
Cloudy
55°13°
0%

Night: Partly cloudy late in the evening, then becoming mostly cloudy. A slight chance of rain in the late evening and early morning. Nearly steady temperatures in the lower 40s. Northwest winds 5 to 10 mph, increasing to north 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Chicago, IL

Tonight
Rain
38°3°
20%
Thursday
Rain
45°/ 32° 7°/ 0°
90%
Friday
Snow
42°/ 32° 6°/ 0°
50%
Saturday
Cloudy
45°/ 32° 7°/ 0°
0%
Sunday
Cloudy
48°/ 32° 9°/ 0°
0%
Monday
Cloudy
48°/ 32° 9°/ 0°
0%
Tuesday
Sunny
52°/ 32° 11°/ 0°
0%
Wednesday
Cloudy
52°11°
0%

Night: Partly cloudy late in the evening, then becoming mostly cloudy. A slight chance of rain in the late evening and early morning. Lows in the upper 30s. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Joliet, IL

Tonight
Rain
38°3°
20%
Thursday
Rain
45°/ 32° 7°/ 0°
70%
Friday
Mostly Cloudy
42°/ 28° 6°/ -2°
0%
Saturday
Sunny
45°/ 28° 7°/ -2°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Cloudy
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Cloudy
55°13°
0%

Night: Partly cloudy late in the evening, then becoming mostly cloudy. A slight chance of rain after midnight. Lows in the upper 30s. Northwest winds 5 to 10 mph. Gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Calumet City, IL

Tonight
Rain
40°4°
20%
Thursday
Rain
32°0°
90%
Friday
Snow
42°/ 30° 6°/ -1°
40%
Saturday
Cloudy
45°/ 30° 7°/ -1°
0%
Sunday
Cloudy
48°/ 32° 9°/ 0°
0%
Monday
Cloudy
48°/ 32° 9°/ 0°
0%
Tuesday
Sunny
52°/ 32° 11°/ 0°
0%
Wednesday
Cloudy
55°13°
0%

Night: Partly cloudy late in the evening, then becoming mostly cloudy. A slight chance of rain after midnight. Lows around 40. Northwest winds 5 to 10 mph, increasing to 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Evanston, IL

Tonight
Rain
38°3°
20%
Thursday
Rain
42°/ 32° 6°/ 0°
90%
Friday
Mostly Cloudy
42°/ 28° 6°/ -2°
0%
Saturday
Cloudy
45°/ 28° 7°/ -2°
0%
Sunday
Cloudy
48°/ 32° 9°/ 0°
0%
Monday
Cloudy
48°/ 32° 9°/ 0°
0%
Tuesday
Sunny
52°/ 32° 11°/ 0°
0%
Wednesday
Cloudy
52°11°
0%

Night: Mostly cloudy. A slight chance of rain in the late evening and early morning. Lows in the upper 30s. Northwest winds 5 to 10 mph, increasing to north 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Aurora, IL

Tonight
Rain
38°3°
20%
Thursday
Rain
42°/ 30° 6°/ -1°
20%
Friday
Cloudy
42°/ 25° 6°/ -4°
0%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Cloudy
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
50°/ 28° 10°/ -2°
0%
Wednesday
Cloudy
52°11°
0%

Night: Partly cloudy late in the evening, then becoming mostly cloudy. A slight chance of rain in the late evening and early morning. Lows in the upper 30s. Northwest winds 5 to 10 mph, increasing to north 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Oswego, IL

Tonight
Rain
20%
Thursday
Rain
42°/ 32° 6°/ 0°
50%
Friday
Cloudy
42°/ 25° 6°/ -4°
0%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Cloudy
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Cloudy
55°13°
0%

Night: Mostly clear late in the evening, then becoming mostly cloudy. A slight chance of rain after midnight. Nearly steady temperatures in the lower 40s. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.

Waukegan, IL

Tonight
Rain
38°3°
20%
Thursday
Rain
42°/ 32° 6°/ 0°
50%
Friday
Mostly Cloudy
42°/ 28° 6°/ -2°
0%
Saturday
Cloudy
45°/ 28° 7°/ -2°
0%
Sunday
Cloudy
48°/ 30° 9°/ -1°
0%
Monday
Cloudy
48°/ 30° 9°/ -1°
0%
Tuesday
Sunny
52°/ 30° 11°/ -1°
0%
Wednesday
Cloudy
52°11°
0%

Night: Mostly cloudy. A slight chance of rain late in the evening. Breezy. Lows in the upper 30s. Northwest winds 5 to 10 mph, increasing to north 10 to 15 mph with gusts up to 30 mph after midnight. Chance of precipitation 20 percent.

Gary, IN

Tonight
Rain
40%
Thursday
Rain
35°2°
90%
Friday
Snow
42°/ 32° 6°/ 0°
70%
Saturday
Cloudy
45°/ 28° 7°/ -2°
0%
Sunday
Cloudy
48°/ 30° 9°/ -1°
0%
Monday
Cloudy
48°/ 30° 9°/ -1°
0%
Tuesday
Sunny
50°/ 28° 10°/ -2°
0%
Wednesday
Sunny
52°11°
0%

Night: Mostly cloudy. A slight chance of rain after midnight. A chance of rain late. Nearly steady temperatures in the mid 40s. North winds 5 to 10 mph, increasing to northwest 10 to 15 mph after midnight. Chance of precipitation 40 percent.

Channahon, IL

Tonight
Rain
38°3°
20%
Thursday
Rain
45°/ 32° 7°/ 0°
50%
Friday
Mostly Cloudy
42°/ 25° 6°/ -4°
0%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Cloudy
50°/ 28° 10°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Sunny
55°13°
0%

Night: Mostly clear late in the evening, then becoming mostly cloudy. A slight chance of rain after midnight. Lows in the upper 30s. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.

Crystal Lake, IL

Tonight
Rain
35°2°
20%
Thursday
Rain
42°/ 30° 6°/ -1°
20%
Friday
Cloudy
42°/ 25° 6°/ -4°
0%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Cloudy
48°/ 28° 9°/ -2°
0%
Monday
Cloudy
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Cloudy
52°11°
0%

Night: Mostly cloudy. A slight chance of rain late in the evening. Lows in the mid 30s. Northwest winds 5 to 10 mph, increasing to north 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Crete, IL

Tonight
Rain
40°4°
20%
Thursday
Rain
32°0°
90%
Friday
Snow
42°/ 28° 6°/ -2°
40%
Saturday
Sunny
45°/ 28° 7°/ -2°
0%
Sunday
Cloudy
48°/ 28° 9°/ -2°
0%
Monday
Cloudy
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Sunny
55°13°
0%

Night: Partly cloudy late in the evening, then becoming mostly cloudy. A slight chance of rain after midnight. Lows around 40. Northwest winds around 10 mph. Gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Morris, IL

Tonight
Mostly Cloudy
0%
Thursday
Rain
45°/ 32° 7°/ 0°
50%
Friday
Cloudy
45°/ 25° 7°/ -4°
0%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
50°/ 28° 10°/ -2°
0%
Monday
Sunny
50°/ 28° 10°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Sunny
55°13°
0%

Night: Mostly clear late in the evening, then becoming mostly cloudy. Nearly steady temperatures in the lower 40s. Northwest winds 5 to 10 mph.

DeKalb, IL

Tonight
Rain
38°3°
20%
Thursday
Rain
42°/ 30° 6°/ -1°
20%
Friday
Cloudy
42°/ 25° 6°/ -4°
0%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Cloudy
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
50°/ 28° 10°/ -2°
0%
Wednesday
Cloudy
52°11°
0%

Night: Partly cloudy late in the evening, then becoming mostly cloudy. A slight chance of rain late in the evening. Lows in the upper 30s. Northwest winds 5 to 10 mph, increasing to north 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Ottawa, IL

Tonight
Mostly Cloudy
0%
Thursday
Rain
42°/ 30° 6°/ -1°
20%
Friday
Cloudy
42°/ 25° 6°/ -4°
0%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Sunny
50°/ 28° 10°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Cloudy
55°13°
0%

Night: Mostly clear late in the evening, then becoming mostly cloudy. Nearly steady temperatures around 40. Northwest winds 5 to 10 mph.

Kankakee, IL

Tonight
Rain
40°4°
20%
Thursday
Rain
32°0°
70%
Friday
Snow
42°/ 25° 6°/ -4°
20%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Cloudy
50°/ 28° 10°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Sunny
55°13°
0%

Night: Partly cloudy late in the evening, then becoming mostly cloudy. A slight chance of rain after midnight. Lows around 40. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.

Portage, IN

Tonight
Rain
50%
Thursday
Rain
32°0°
90%
Friday
Snow
42°/ 32° 6°/ 0°
90%
Saturday
Snow
45°/ 32° 7°/ 0°
50%
Sunday
Cloudy
48°/ 32° 9°/ 0°
0%
Monday
Cloudy
48°/ 30° 9°/ -1°
0%
Tuesday
Sunny
48°/ 28° 9°/ -2°
0%
Wednesday
Sunny
52°11°
0%

Night: Mostly cloudy. A chance of rain after midnight. Nearly steady temperatures in the mid 40s. North winds 5 to 10 mph, increasing to 10 to 15 mph after midnight. Chance of precipitation 50 percent.

Kenosha, WI

Tonight
Sprinkles
35°2°
0%
Thursday
Rain
45°/ 28° 7°/ -2°
50%
Friday
Snow
42°/ 25° 6°/ -4°
30%
Saturday
Sunny
45°/ 28° 7°/ -2°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Sunny
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
52°/ 30° 11°/ -1°
0%
Wednesday
Sunny
55°13°
0%

Night: Cloudy. Chance of sprinkles through the night. Lows in the mid 30s. Northwest winds up to 10 mph shifting to the north after midnight.

Belvidere, IL

Tonight
Rain
35°2°
20%
Thursday
Mostly Cloudy
42°/ 28° 6°/ -2°
0%
Friday
Cloudy
42°/ 25° 6°/ -4°
0%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Cloudy
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Cloudy
55°13°
0%

Night: Mostly cloudy. A slight chance of rain late in the evening. Lows in the mid 30s. Northwest winds 5 to 10 mph, increasing to north 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 20 percent.

Whitewater, WI

Tonight
Sprinkles
35°2°
0%
Thursday
Sprinkles
42°/ 28° 6°/ -2°
0%
Friday
Partly Cloudy
42°/ 25° 6°/ -4°
0%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Sunny
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
52°/ 30° 11°/ -1°
0%
Wednesday
Sunny
52°11°
0%

Night: Mostly cloudy. Chance of sprinkles through around midnight. Lows in the mid 30s. North winds up to 15 mph.

Names listed above may include county names.

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