Oswego, IL Weather Forecast & Current Conditions

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Oswego Weather Map
UTC Time: 11/12/2026, 15:07
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Oswego, IL Regional Weather

Expires:202611121600;;697380
ASUS43 KLOT 121503
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
900 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>023-121600-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTSUNNY   41  31  67 N17G25    29.90R TC   5           
CHICAGO-MIDWAY MOSUNNY   43  33  68 N17G26    29.89R TC   6           
AURORA         MOSUNNY   40  32  73 N22G29    29.92R TC   4           
JOLIET*        CLOUDY    44  37  74 N12       29.91R TC   7           
WAUKEGAN       CLOUDY    38  30  73 N14G26    29.91R WCI  30 TC   3   
DUPAGE AIRPORT NOT AVBL                                               
WHEELING       CLOUDY    39  31  72 N18G26    29.92R WCI  30 TC   4   
LANSING*       CLOUDY    43  34  71 N10G18    29.88R TC   6           
NORTHERLY ISL*   N/A     44  35  70 NW20        N/A  TC   7           
$$


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

This Morning
Rain Showers
30°-1°
20%
Today
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%

Day: Mostly cloudy. A slight chance of showers. Temperatures in the upper 30s. North winds around 10 mph. Chance of precipitation 20 percent.

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

This Morning
Rain Showers
30°-1°
20%
Today
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%

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

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.

Joliet, IL

This Morning
Mostly Cloudy
32°0°
50%
Today
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%

Day: Mostly cloudy. Temperatures around 40. North winds around 10 mph.

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

This Morning
Mostly Cloudy
32°0°
50%
Today
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%

Day: Mostly cloudy. Temperatures around 40. North winds 10 to 15 mph.

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

This Morning
Rain Showers
28°-2°
20%
Today
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%

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

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

This Morning
Rain Showers
30°-1°
20%
Today
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%

Day: Mostly cloudy. A slight chance of rain showers. Temperatures in the upper 30s. North winds around 10 mph. Chance of precipitation 20 percent.

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

This Morning
Mostly Cloudy
32°0°
20%
Today
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%

Day: Mostly cloudy. Temperatures around 40. North winds around 10 mph.

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

This Morning
Rain Showers
32°0°
90%
Today
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%

Day: Mostly cloudy. A slight chance of showers. Temperatures in the lower 40s. North winds around 10 mph. Chance of precipitation 20 percent.

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

This Morning
Mostly Cloudy
32°0°
50%
Today
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%

Day: Mostly cloudy. Temperatures in the lower 40s. North winds around 10 mph.

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

This Morning
Rain Showers
32°0°
50%
Today
Rain Showers
42°6°
50%
Friday
Snow Showers
42°/ 28° 6°/ -2°
70%
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%

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

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

Chicago, IL

This Morning
Rain Showers
35°2°
90%
Today
Rain Showers
45°7°
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%

Day: Mostly cloudy. A slight chance of showers. Temperatures in the lower 40s. North winds 10 to 15 mph. Chance of precipitation 20 percent.

Night: Rain showers. Snow showers likely after midnight. Little or no snow accumulation. Breezy with lows in the mid 30s. North winds 15 to 20 mph, diminishing to 10 to 15 mph after midnight. Gusts up to 30 mph. Chance of precipitation 90 percent.

Dixon, IL

This Morning
Rain Showers
28°-2°
20%
Today
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%

Day: Mostly cloudy. A slight chance of rain showers. Temperatures in the upper 30s. North winds around 10 mph. Chance of precipitation 20 percent.

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

Crystal Lake, IL

This Morning
Mostly Cloudy
28°-2°
0%
Today
Rain Showers
42°6°
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%

Day: Mostly cloudy. Temperatures in the upper 30s. North winds 10 to 15 mph with gusts up to 25 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Blustery with lows in the upper 20s. North winds 10 to 15 mph with gusts up to 30 mph.

Rochelle, IL

This Morning
Rain Showers
28°-2°
20%
Today
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%

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

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

This Morning
Rain Showers
32°0°
90%
Today
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%

Day: Mostly cloudy. A slight chance of showers. Temperatures in the lower 40s. Northwest winds around 10 mph. Chance of precipitation 20 percent.

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

This Morning
Rain Showers
32°0°
50%
Today
Rain Showers
42°6°
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%

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

Night: Mostly cloudy. A slight chance of rain showers in the evening. A chance of rain showers with 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.

Crete, IL

This Morning
Rain Showers
32°0°
90%
Today
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%

Day: Mostly cloudy. A slight chance of showers. Temperatures in the lower 40s. Northwest winds around 10 mph. Chance of precipitation 20 percent.

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

This Morning
Mostly Cloudy
28°-2°
0%
Today
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%

Day: Mostly cloudy. Temperatures in the upper 30s. North winds 10 to 15 mph with gusts up to 25 mph.

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

Pontiac, IL

This Morning
Mostly Cloudy
30°-1°
40%
Today
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%

Day: Mostly cloudy. Temperatures in the lower 40s. Northwest winds around 10 mph.

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

This Morning
Rain Showers
32°0°
100%
Today
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%

Day: Mostly cloudy. A chance of showers. Temperatures in the mid 40s. Northwest winds 10 to 15 mph. Chance of precipitation 50 percent.

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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