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Long Grove, IL Weather Forecast & Current Conditions

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Long Grove Weather Map
UTC Time: 10/19/2026, 11:57
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Long Grove, IL Regional Weather

Expires:202610191300;;362083
ASUS43 KLOT 191156
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
700 AM CDT MON OCT 19 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>023-191300-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLEAR     43  38  82 S3        30.40S TC   6           
6HR MIN TEMP:  43; 6HR MAX TEMP:  50;                                

CHICAGO-MIDWAY NOT AVBL                                               
AURORA         CLEAR     36  34  92 CALM      30.40S TC   2           
6HR MIN TEMP:  34; 6HR MAX TEMP:  41;                                

WAUKEGAN       CLEAR     43  37  79 W8        30.38F TC   6           
6HR MIN TEMP:  38; 6HR MAX TEMP:  46;                                

DUPAGE AIRPORT CLEAR     38  37  97 CALM      30.40  TC   3           
6HR MIN TEMP:  38; 6HR MAX TEMP:  46;                                

WHEELING       PTCLDY    38  38 100 S3        30.40F TC   3           
6HR MIN TEMP:  38; 6HR MAX TEMP:  51;                                

NORTHERLY ISL*   N/A     49  37  63 W1          N/A  TC   9           
$$


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

Long Grove, IL

Tonight
Clear
45°7°
0%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Cloudy
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
68°/ 52° 20°/ 11°
0%
Friday
Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Mostly Cloudy
68°20°
0%

Night: Clear. Near steady temperature in the mid 40s. Southwest winds 5 to 10 mph.

Evanston, IL

Tonight
Clear
45°7°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
68°/ 50° 20°/ 10°
0%
Thursday
Sunny
70°/ 52° 21°/ 11°
0%
Friday
Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Mostly Cloudy
70°21°
0%

Night: Clear. Lows in the mid 40s. Southwest winds around 5 mph.

Crystal Lake, IL

Tonight
Clear
45°7°
0%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Cloudy
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
70°/ 48° 21°/ 9°
0%
Friday
Cloudy
68°/ 50° 20°/ 10°
0%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Mostly Cloudy
68°20°
0%

Night: Clear. Near steady temperature in the mid 40s. Southwest winds around 5 mph.

Aurora, IL

Tonight
Clear
42°6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Cloudy
68°/ 48° 20°/ 9°
0%
Saturday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Sunday
Mostly Cloudy
70°21°
0%

Night: Clear. Near steady temperature in the lower 40s. Southwest winds around 5 mph.

Naperville, IL

Tonight
Clear
45°7°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
70°/ 50° 21°/ 10°
0%
Thursday
Sunny
72°/ 52° 22°/ 11°
0%
Friday
Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Cloudy
70°/ 55° 21°/ 13°
0%
Sunday
Mostly Cloudy
72°22°
0%

Night: Clear. Near steady temperature in the mid 40s. Southwest winds 5 to 10 mph.

Chicago, IL

Tonight
Clear
48°9°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
68°/ 52° 20°/ 11°
0%
Thursday
Sunny
68°/ 52° 20°/ 11°
0%
Friday
Sunny
68°/ 52° 20°/ 11°
0%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Mostly Cloudy
70°21°
0%

Night: Clear. Near steady temperature in the upper 40s. Southwest winds 5 to 10 mph.

Kenosha, WI

This Morning
Clear
45°7°
0%
Today
Sunny
65°18°
0%
Tuesday
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
68°/ 50° 20°/ 10°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Partly Cloudy
68°20°
0%

Day: Clear. Southwest winds around 5 mph.

Night: Partly cloudy. Lows in the mid 40s. Southeast winds up to 5 mph shifting to the north after midnight.

Whitewater, WI

This Morning
Clear
45°7°
0%
Today
Partly Cloudy
65°18°
0%
Tuesday
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
68°/ 50° 20°/ 10°
0%
Saturday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Partly Cloudy
68°20°
0%

Day: Clear. Southwest winds around 5 mph.

Night: Partly cloudy through around midnight then clearing. Lows in the mid 40s. Calm winds.

Joliet, IL

Tonight
Clear
42°6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
70°/ 45° 21°/ 7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
72°/ 50° 22°/ 10°
0%
Friday
Sunny
72°/ 50° 22°/ 10°
0%
Saturday
Cloudy
72°/ 52° 22°/ 11°
0%
Sunday
Mostly Cloudy
72°22°
0%

Night: Clear. Near steady temperature in the lower 40s. South winds around 5 mph.

Calumet City, IL

Tonight
Clear
42°6°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
70°/ 48° 21°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thursday
Sunny
72°/ 52° 22°/ 11°
0%
Friday
Sunny
70°/ 50° 21°/ 10°
0%
Saturday
Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Mostly Cloudy
72°22°
0%

Night: Clear. Near steady temperature in the lower 40s. South winds around 5 mph.

Racine, WI

This Morning
Clear
45°7°
0%
Today
Sunny
65°18°
0%
Tuesday
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
68°/ 50° 20°/ 10°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Partly Cloudy
68°20°
0%

Day: Clear. Southwest winds up to 10 mph.

Night: Partly cloudy. Lows in the mid 40s. South winds up to 5 mph shifting to the northeast after midnight.

DeKalb, IL

Tonight
Clear
38°3°
0%
Monday
Cloudy
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Sunny
72°/ 50° 22°/ 10°
0%
Friday
Cloudy
70°/ 50° 21°/ 10°
0%
Saturday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Sunday
Mostly Cloudy
72°22°
0%

Night: Clear. Near steady temperature in the upper 30s. South winds around 5 mph.

Oswego, IL

Tonight
Clear
38°3°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
70°/ 45° 21°/ 7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
72°/ 48° 22°/ 9°
0%
Saturday
Cloudy
72°/ 52° 22°/ 11°
0%
Sunday
Mostly Cloudy
72°22°
0%

Night: Clear. Near steady temperature in the upper 30s. South winds around 5 mph.

Belvidere, IL

Tonight
Clear
42°6°
0%
Monday
Cloudy
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Cloudy
68°/ 50° 20°/ 10°
0%
Saturday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Sunday
Mostly Cloudy
68°20°
0%

Night: Clear. Near steady temperature in the lower 40s. Southwest winds around 5 mph.

Gary, IN

Tonight
Clear
42°6°
0%
Monday
Sunny
68°/ 42° 20°/ 6°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Sunny
72°/ 48° 22°/ 9°
0%
Saturday
Cloudy
72°/ 52° 22°/ 11°
0%
Sunday
Mostly Cloudy
72°22°
0%

Night: Clear. Near steady temperature in the lower 40s. South winds around 5 mph.

Milwaukee, WI

This Morning
Clear
45°7°
0%
Today
Partly Cloudy
65°18°
0%
Tuesday
Sunny
62°/ 45° 17°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
65°/ 52° 18°/ 11°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Sunday
Partly Cloudy
68°20°
0%

Day: Clear. Southwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the mid 40s. Southeast winds up to 5 mph shifting to the north after midnight.

Rockford, IL

Tonight
Clear
42°6°
0%
Monday
Cloudy
68°/ 42° 20°/ 6°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Sunny
72°/ 48° 22°/ 9°
0%
Friday
Cloudy
68°/ 52° 20°/ 11°
0%
Saturday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Sunday
Mostly Cloudy
68°20°
0%

Night: Clear. Near steady temperature in the lower 40s. South winds around 5 mph.

Waukesha, WI

This Morning
Clear
45°7°
0%
Today
Partly Cloudy
65°18°
0%
Tuesday
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Partly Cloudy
68°20°
0%

Day: Clear. Southwest winds up to 5 mph.

Night: Partly cloudy. Lows in the mid 40s. East winds up to 5 mph through around midnight becoming calm.

Janesville, WI

This Morning
Clear
42°6°
0%
Today
Partly Cloudy
65°18°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
68°/ 48° 20°/ 9°
0%
Thursday
Sunny
70°/ 48° 21°/ 9°
0%
Friday
Sunny
68°/ 50° 20°/ 10°
0%
Saturday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Sunday
Partly Cloudy
68°20°
0%

Day: Clear. Southwest winds up to 5 mph.

Night: Partly cloudy through around midnight then clearing. Lows in the lower 40s. Calm winds becoming east up to 5 mph after midnight.

Rochelle, IL

Tonight
Clear
42°6°
0%
Monday
Cloudy
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Sunny
72°/ 50° 22°/ 10°
0%
Friday
Sunny
70°/ 52° 21°/ 11°
0%
Saturday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Sunday
Mostly Cloudy
70°21°
0%

Night: Clear. Near steady temperature in the lower 40s. South winds around 5 mph.

Names listed above may include county names.

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