Midwest, IL Weather Forecast & Current Conditions

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Midwest Weather Map
UTC Time: 9/17/2026, 20:22
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Midwest, IL Regional Weather

Expires:202609172100;;619836
ASUS43 KLOT 172012
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
300 PM CDT THU SEP 17 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>023-172100-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  PTSUNNY   79  72  79 N6        30.17F HX  82  TC  26   
CHICAGO-MIDWAY PTSUNNY   81  72  74 NW7       30.16F HX  85  TC  27   
AURORA         PTSUNNY   82  73  74 CALM      30.16F HX  87  TC  28   
JOLIET*        CLOUDY    86  76  71 CALM      30.16F HX  96  TC  30   
WAUKEGAN       CLOUDY    67  67 100 N8        30.19F FOG     TC  19   
DUPAGE AIRPORT PTSUNNY   79  72  79 CALM      30.17F HX  82  TC  26   
KANKAKEE*      MOSUNNY   88  71  56 W7        30.15F HX  94  TC  31   
WHEELING       CLOUDY    76  71  85 N7        30.19F TC  24           
LANSING*       PTSUNNY   81  71  71 CALM      30.17F HX  85  TC  27   
NORTHERLY ISL*   N/A     72  66  81 N9          N/A  TC  22           
$$


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

Midwest, IL

Afternoon
Rain Showers
78°/ 65° 26°/ 18°
20%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
75°/ 65° 24°/ 18°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Rain Showers
62°/ 55° 17°/ 13°
60%
Tuesday
Mostly Cloudy
62°/ 55° 17°/ 13°
0%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A slight chance of showers or patchy drizzle late. Highs in the upper 70s. North winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers or patchy drizzle early in the evening. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Chicago, IL

Afternoon
Rain Showers
78°/ 68° 26°/ 20°
20%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
72°/ 65° 22°/ 18°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Rain Showers
65°/ 58° 18°/ 14°
60%
Tuesday
Mostly Cloudy
65°/ 58° 18°/ 14°
0%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A slight chance of showers or patchy drizzle late. Highs in the upper 70s inland, but only in the mid 70s near the lake. North winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers or patchy drizzle early in the evening. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Calumet City, IL

Afternoon
Rain Showers
82°/ 65° 28°/ 18°
20%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
70%
Saturday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
30%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A slight chance of showers or patchy drizzle late. Highs in the lower 80s. North winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms or patchy drizzle early in the evening. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Joliet, IL

Afternoon
Rain Showers
82°/ 65° 28°/ 18°
20%
Friday
Mostly Cloudy
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
30%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers or patchy drizzle late. Highs in the lower 80s. Northwest winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms or patchy drizzle early in the evening. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Evanston, IL

Afternoon
Rain Showers
75°/ 62° 24°/ 17°
20%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
72°/ 62° 22°/ 17°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Rain Showers
62°/ 55° 17°/ 13°
60%
Tuesday
Mostly Cloudy
62°/ 55° 17°/ 13°
0%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A slight chance of showers or patchy drizzle late. Highs in the mid 70s inland, but only in the lower 70s near the lake. North winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers or patchy drizzle early in the evening. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Aurora, IL

Afternoon
Rain Showers
78°/ 62° 26°/ 17°
20%
Friday
Mostly Cloudy
72°/ 65° 22°/ 18°
90%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A slight chance of showers or patchy drizzle late. Highs in the upper 70s. North winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers or patchy drizzle early in the evening. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Crete, IL

Afternoon
Thunderstorms
82°/ 65° 28°/ 18°
20%
Friday
Mostly Cloudy
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
78°/ 65° 26°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms late. Highs in the lower 80s. Northwest winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms early in the evening. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Oswego, IL

Afternoon
Rain Showers
82°/ 65° 28°/ 18°
20%
Friday
Mostly Cloudy
75°/ 65° 24°/ 18°
70%
Saturday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers or patchy drizzle late. Highs in the lower 80s. Northwest winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms or patchy drizzle early in the evening. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Gary, IN

Afternoon
Thunderstorms
82°/ 65° 28°/ 18°
20%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
70%
Saturday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
60%
Monday
Rain Showers
65°/ 52° 18°/ 11°
60%
Tuesday
Mostly Cloudy
65°/ 55° 18°/ 13°
0%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms or patchy drizzle late. Highs in the lower 80s inland, but only in the upper 70s near the lake. Northwest winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. Patchy drizzle early in the evening. A slight chance of showers and thunderstorms in the evening. Lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Channahon, IL

Afternoon
Thunderstorms
85°/ 65° 29°/ 18°
20%
Friday
Mostly Cloudy
75°/ 65° 24°/ 18°
70%
Saturday
Thunderstorms
78°/ 65° 26°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
30%
Wednesday
Mostly Cloudy
70°21°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms late. Highs in the mid 80s. Northwest winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Morris, IL

Afternoon
Thunderstorms
85°/ 65° 29°/ 18°
20%
Friday
Mostly Cloudy
78°/ 65° 26°/ 18°
50%
Saturday
Thunderstorms
78°/ 68° 26°/ 20°
90%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
60%
Monday
Rain Showers
68°/ 55° 20°/ 13°
60%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
30%
Wednesday
Mostly Cloudy
72°22°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms or patchy drizzle late. Highs in the mid 80s. Northwest winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of thunderstorms in the evening. A slight chance of showers. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Waukegan, IL

Afternoon
Rain Showers
70°/ 62° 21°/ 17°
20%
Friday
Rain Showers
70°/ 62° 21°/ 17°
100%
Saturday
Thunderstorms
70°/ 62° 21°/ 17°
100%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
60%
Monday
Rain Showers
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
65°18°
0%

Day: Cloudy. Patchy fog. A slight chance of showers or patchy drizzle. Near steady temperature around 70. North winds 5 to 10 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. Lows in the lower 60s. Northeast winds 5 to 10 mph.

Crystal Lake, IL

Afternoon
Rain Showers
72°/ 60° 22°/ 16°
20%
Friday
Rain Showers
72°/ 62° 22°/ 17°
100%
Saturday
Thunderstorms
72°/ 62° 22°/ 17°
100%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
65°18°
0%

Day: Cloudy. A slight chance of showers or patchy drizzle. Near steady temperature in the lower 70s. North winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. Lows around 60. Northeast winds around 5 mph.

Kankakee, IL

Afternoon
Thunderstorms
85°/ 65° 29°/ 18°
30%
Friday
Mostly Cloudy
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
80°/ 65° 27°/ 18°
90%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
60%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
70°21°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms late. Highs in the mid 80s. Northwest winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of thunderstorms late in the evening. A slight chance of showers in the late evening and overnight. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of precipitation 30 percent.

DeKalb, IL

Afternoon
Rain Showers
78°/ 62° 26°/ 17°
20%
Friday
Rain Showers
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Rain Showers
65°/ 52° 18°/ 11°
60%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Cloudy. A slight chance of showers or patchy drizzle late. Near steady temperature in the upper 70s. North winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers or patchy drizzle early in the evening. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Portage, IN

Afternoon
Thunderstorms
82°/ 65° 28°/ 18°
20%
Friday
Mostly Cloudy
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
60%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms or patchy drizzle late. Highs in the lower 80s inland, but only in the mid 70s near the lake. Northwest winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms or patchy drizzle early in the evening. Lows in the mid 60s. Northeast winds around 5 mph. Chance of precipitation 20 percent.

Ottawa, IL

Afternoon
Thunderstorms
82°/ 65° 28°/ 18°
20%
Friday
Thunderstorms
75°/ 65° 24°/ 18°
50%
Saturday
Thunderstorms
80°/ 65° 27°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Monday
Rain Showers
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Mostly Cloudy
70°21°
0%

Day: Mostly cloudy. A slight chance of showers and thunderstorms or patchy drizzle late. Highs in the lower 80s. Northwest winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. A slight chance of showers late. Humid with lows in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.

Roselawn, IN

Afternoon
Thunderstorms
85°/ 65° 29°/ 18°
40%
Friday
Mostly Cloudy
75°/ 62° 24°/ 17°
60%
Saturday
Thunderstorms
80°/ 65° 27°/ 18°
90%
Sunday
Thunderstorms
75°/ 58° 24°/ 14°
60%
Monday
Rain Showers
68°/ 55° 20°/ 13°
60%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Mostly Cloudy
70°21°
0%

Day: Partly cloudy. A slight chance of showers and thunderstorms late. Highs in the mid 80s. West winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of thunderstorms late in the evening. A slight chance of showers in the late evening and early morning. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of precipitation 40 percent.

Belvidere, IL

Afternoon
Rain Showers
72°/ 58° 22°/ 14°
20%
Friday
Rain Showers
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
72°/ 62° 22°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Rain Showers
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Mostly Cloudy
65°18°
0%

Day: Cloudy. A slight chance of showers or patchy drizzle. Near steady temperature in the lower 70s. North winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds around 5 mph.

Watseka, IL

Afternoon
Thunderstorms
88°/ 65° 31°/ 18°
40%
Friday
Thunderstorms
78°/ 65° 26°/ 18°
50%
Saturday
Thunderstorms
82°/ 68° 28°/ 20°
80%
Sunday
Thunderstorms
78°/ 58° 26°/ 14°
60%
Monday
Thunderstorms
68°/ 55° 20°/ 13°
60%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Mostly Cloudy
72°22°
0%

Day: Partly cloudy. A slight chance of showers and thunderstorms late. Highs in the upper 80s. West winds around 5 mph. Chance of precipitation 20 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and early morning. A slight chance of showers in the late evening and overnight. Humid with lows in the mid 60s. Northeast winds around 5 mph. Chance of precipitation 40 percent.

Names listed above may include county names.

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