Oswego, IL Weather Forecast & Current Conditions

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Oswego Weather Map
UTC Time: 11/12/2026, 11:19
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Oswego, IL Regional Weather

Expires:202611121200;;690570
ASUS43 KLOT 121110
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
500 AM CST THU NOV 12 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>023-121200-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    43  38  82 N15       29.83R TC   6           
CHICAGO-MIDWAY CLOUDY    45  39  79 N15G23    29.82S TC   7           
AURORA         CLOUDY    43  39  86 N13       29.85R TC   6           
JOLIET*        CLOUDY    45  43  93 N7        29.84S TC   7           
WAUKEGAN       CLOUDY    42  36  79 N9G22     29.85R TC   6           
DUPAGE AIRPORT CLOUDY    43  38  82 N13       29.85R TC   6           
KANKAKEE*      PTCLDY    42  40  95 NW6       29.82F TC   5           
WHEELING       CLOUDY    43  39  86 N10       29.86R TC   6           
ROMEOVILLE*    CLOUDY    45  43  93 N10G16    29.84S TC   7           
LANSING*       CLOUDY    45  40  85 N6        29.82R TC   7           
NORTHERLY ISL*   N/A     47  40  76 N15         N/A  TC   8           
$$


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

Oswego, IL

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

Night: Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of rain showers in the evening. A slight chance of snow showers late. Lows around 30. North winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

Aurora, IL

Tonight
Rain Showers
38°3°
20%
Thursday
Rain Showers
42°/ 30° 6°/ -1°
20%
Friday
Snow Showers
42°/ 25° 6°/ -4°
20%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Sunny
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Sunny
55°13°
0%

Night: Mostly cloudy. A slight chance of showers. Lows in the upper 30s. North winds 10 to 15 mph. Chance of precipitation 20 percent.

Joliet, IL

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

Night: Mostly cloudy. A chance of rain showers until early morning. A chance of snow showers after midnight. Little or no snow accumulation. Blustery with lows in the lower 30s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 50 percent.

Naperville, IL

Tonight
Rain Showers
32°0°
50%
Thursday
Rain Showers
42°6°
50%
Friday
Snow Showers
42°/ 28° 6°/ -2°
50%
Saturday
Sunny
45°/ 28° 7°/ -2°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Sunny
48°/ 30° 9°/ -1°
0%
Tuesday
Sunny
52°/ 30° 11°/ -1°
0%
Wednesday
Sunny
55°13°
0%

Night: Mostly cloudy. A chance of rain showers until early morning. A slight chance of snow showers after midnight, then a chance of snow showers late. Little or no snow accumulation. Blustery with lows in the lower 30s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 50 percent.

DeKalb, IL

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

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 20s. North winds 10 to 15 mph with gusts up to 25 mph.

Ottawa, IL

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

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 30. North winds 10 to 15 mph with gusts up to 25 mph.

Morris, IL

Tonight
Mostly Cloudy
32°0°
20%
Thursday
Rain Showers
42°6°
20%
Friday
Snow Showers
42°/ 25° 6°/ -4°
40%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 25° 9°/ -4°
0%
Monday
Sunny
52°/ 28° 11°/ -2°
0%
Tuesday
Sunny
55°/ 28° 13°/ -2°
0%
Wednesday
Sunny
58°14°
0%

Night: Mostly cloudy. A slight chance of rain showers until early morning. A slight chance of snow showers after midnight. Blustery with lows in the lower 30s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 20 percent.

Calumet City, IL

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

Night: Rain showers. Snow showers in the late evening and overnight. Snow accumulation around an inch. Breezy with lows in the lower 30s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 90 percent.

Channahon, IL

Tonight
Mostly Cloudy
32°0°
50%
Thursday
Rain Showers
42°6°
50%
Friday
Snow Showers
42°/ 28° 6°/ -2°
50%
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
Sunny
55°13°
0%

Night: Mostly cloudy. A chance of rain showers until early morning. A chance of snow showers after midnight. Little or no snow accumulation. Blustery with lows in the lower 30s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 50 percent.

Evanston, IL

Tonight
Rain Showers
38°3°
20%
Thursday
Rain Showers
42°/ 32° 6°/ 0°
50%
Friday
Snow Showers
42°/ 28° 6°/ -2°
50%
Saturday
Cloudy
45°/ 30° 7°/ -1°
0%
Sunday
Sunny
48°/ 30° 9°/ -1°
0%
Monday
Sunny
48°/ 32° 9°/ 0°
0%
Tuesday
Sunny
52°/ 32° 11°/ 0°
0%
Wednesday
Sunny
55°13°
0%

Night: Mostly cloudy. A slight chance of showers. Lows in the upper 30s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

Chicago, IL

Tonight
Rain Showers
38°3°
20%
Thursday
Rain Showers
45°/ 35° 7°/ 2°
90%
Friday
Snow Showers
42°/ 32° 6°/ 0°
90%
Saturday
Cloudy
45°/ 32° 7°/ 0°
0%
Sunday
Cloudy
48°/ 32° 9°/ 0°
0%
Monday
Sunny
48°/ 32° 9°/ 0°
0%
Tuesday
Sunny
52°/ 32° 11°/ 0°
0%
Wednesday
Sunny
55°13°
0%

Night: Mostly cloudy. A slight chance of showers. Lows in the upper 30s. Northwest winds 10 to 15 mph. Chance of precipitation 20 percent.

Dixon, IL

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

Night: Partly cloudy. Lows in the upper 20s. North winds 10 to 15 mph. Gusts up to 25 mph after midnight.

Crystal Lake, IL

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

Night: Mostly cloudy. A slight chance of rain showers after midnight. Lows in the mid 30s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

Rochelle, IL

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

Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 20s. North winds around 10 mph. Gusts up to 25 mph after midnight.

Kankakee, IL

Tonight
Mostly Cloudy
32°0°
90%
Thursday
Rain Showers
50%
Friday
Snow Showers
40°/ 25° 4°/ -4°
70%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 25° 9°/ -4°
0%
Monday
Sunny
48°/ 25° 9°/ -4°
0%
Tuesday
Sunny
52°/ 25° 11°/ -4°
0%
Wednesday
Sunny
55°13°
0%

Night: A chance of rain showers early in the evening, then rain showers likely in the late evening and early morning. Snow showers in the late evening and overnight. Snow accumulation around an inch. Blustery with lows in the lower 30s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 90 percent.

Waukegan, IL

Tonight
Rain Showers
38°3°
20%
Thursday
Rain Showers
42°/ 32° 6°/ 0°
50%
Friday
Snow Showers
42°/ 28° 6°/ -2°
50%
Saturday
Cloudy
45°/ 28° 7°/ -2°
0%
Sunday
Sunny
48°/ 28° 9°/ -2°
0%
Monday
Sunny
50°/ 30° 10°/ -1°
0%
Tuesday
Sunny
52°/ 32° 11°/ 0°
0%
Wednesday
Sunny
55°13°
0%

Night: Mostly cloudy. A slight chance of showers late. Lows in the upper 30s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 20 percent.

Crete, IL

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

Night: Rain showers until early morning. Snow showers in the late evening and overnight. Snow accumulation of 1 to 3 inches. Breezy with lows in the lower 30s. North winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 90 percent.

Belvidere, IL

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

Night: Mostly cloudy. Lows in the upper 20s. North winds 10 to 15 mph with gusts up to 25 mph.

Pontiac, IL

Tonight
Mostly Cloudy
30°-1°
40%
Thursday
Rain Showers
20%
Friday
Snow Showers
42°/ 25° 6°/ -4°
50%
Saturday
Sunny
45°/ 25° 7°/ -4°
0%
Sunday
Sunny
48°/ 25° 9°/ -4°
0%
Monday
Sunny
52°/ 25° 11°/ -4°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Sunny
58°14°
0%

Night: Mostly cloudy. A slight chance of rain showers until early morning. A slight chance of snow showers in the late evening and early morning, then a chance of snow showers late. Little or no snow accumulation. Blustery with lows around 30. North winds 10 to 15 mph with gusts up to 30 mph. Chance of precipitation 40 percent.

Gary, IN

Tonight
Rain Showers
32°0°
100%
Thursday
Rain Showers
90%
Friday
Snow Showers
40°/ 30° 4°/ -1°
100%
Saturday
Snow Showers
45°/ 28° 7°/ -2°
20%
Sunday
Cloudy
48°/ 28° 9°/ -2°
0%
Monday
Sunny
48°/ 28° 9°/ -2°
0%
Tuesday
Sunny
52°/ 28° 11°/ -2°
0%
Wednesday
Sunny
55°13°
0%

Night: Rain showers. Snow showers after midnight. Snow accumulation of 1 to 3 inches. Breezy with lows in the lower 30s. North winds 15 to 20 mph with gusts up to 30 mph, becoming northwest 5 to 10 mph after midnight. Chance of precipitation near 100 percent.

Names listed above may include county names.

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