Tomahawk Lake, IL Weather Forecast & Current Conditions

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Tomahawk Lake, IL Weather Maps

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Tomahawk Lake Weather Map
UTC Time: 9/18/2026, 03:44
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Tomahawk Lake, IL Regional Weather

Expires:202609180400;;633922
ASUS43 KLOT 180310
RWRIL 

ILLINOIS REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL
1000 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>023-180400-
NORTHEAST ILLINOIS
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
CHICAGO-OHARE  CLOUDY    67  64  90 NE13      30.24R TC  19           
CHICAGO-MIDWAY CLOUDY    69  66  90 N13       30.23R TC  21           
AURORA         CLOUDY    68  66  93 NE8       30.24R TC  20           
JOLIET*        CLOUDY    71  69  95 NE8       30.23R TC  22           
WAUKEGAN       CLOUDY    64  64 100 NE7       30.25R TC  18           
DUPAGE AIRPORT CLOUDY    67  65  93 NE9       30.25R TC  19           
KANKAKEE*      CLOUDY    71  69  95 NE13      30.22R FOG     TC  22   
WHEELING       CLOUDY    66  64  93 N8G18     30.26R TC  19           
ROMEOVILLE*    CLOUDY    68  68 100 N13       30.24R TC  20           
LANSING*       CLOUDY    69  66  90 N10       30.23R TC  21           
NORTHERLY ISL*   N/A     67  65  93 NW8         N/A  TC  19           
$$


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

Tomahawk Lake, IL

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

Night: Mostly cloudy. Lows around 60. Northeast winds 5 to 10 mph.

Waukegan, IL

Tonight
Mostly Cloudy
62°17°
0%
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°/ 55° 18°/ 13°
0%
Thursday
Mostly Cloudy
68°20°
0%

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

Whitewater, WI

Tonight
Sprinkles
58°14°
0%
Friday
Rain Showers
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
100%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
60%
Monday
Rain Showers
62°/ 50° 17°/ 10°
60%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
20%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Partly Cloudy
68°20°
0%

Night: Mostly cloudy through around midnight then becoming partly cloudy. Patchy fog in the evening. Scattered sprinkles in the late evening and early morning. Lows in the upper 50s. Northeast winds around 5 mph.

Kenosha, WI

Tonight
Rain Showers
62°17°
30%
Friday
Rain Showers
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
100%
Sunday
Rain Showers
68°/ 55° 20°/ 13°
60%
Monday
Rain Showers
62°/ 52° 17°/ 11°
60%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Partly Cloudy
68°20°
0%

Night: Patchy fog in the evening. Cloudy with scattered light rain showers in the evening, then mostly cloudy with scattered sprinkles in the late evening and early morning. Partly cloudy early in the morning. Lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of showers 30 percent.

Evanston, IL

Tonight
Mostly Cloudy
65°18°
0%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
72°/ 62° 22°/ 17°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Thunderstorms
62°/ 55° 17°/ 13°
60%
Tuesday
Mostly Cloudy
62°/ 55° 17°/ 13°
0%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Thursday
Mostly Cloudy
68°20°
0%

Night: Mostly cloudy. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph.

Aurora, IL

Tonight
Mostly Cloudy
62°17°
0%
Friday
Mostly Cloudy
72°/ 65° 22°/ 18°
90%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Monday
Thunderstorms
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Cloudy
70°21°
0%

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

Naperville, IL

Tonight
Mostly Cloudy
65°18°
0%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
75°/ 65° 24°/ 18°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Thunderstorms
62°/ 55° 17°/ 13°
60%
Tuesday
Mostly Cloudy
62°/ 55° 17°/ 13°
0%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Thursday
Cloudy
70°21°
0%

Night: Mostly cloudy. Near steady temperature in the mid 60s. Northeast winds 5 to 10 mph.

Racine, WI

Tonight
Rain Showers
60°16°
30%
Friday
Rain Showers
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
70°/ 60° 21°/ 16°
100%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Partly Cloudy
68°20°
0%

Night: Patchy fog in the evening. Mostly cloudy with scattered light rain showers in the evening, then mostly cloudy with scattered sprinkles late in the evening. Partly cloudy after midnight. Lows around 60. Northeast winds up to 10 mph. Chance of showers 30 percent.

Belvidere, IL

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

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

DeKalb, IL

Tonight
Mostly Cloudy
62°17°
0%
Friday
Rain Showers
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Thunderstorms
65°/ 52° 18°/ 11°
60%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Cloudy
70°21°
0%

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

Chicago, IL

Tonight
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
72°/ 65° 22°/ 18°
100%
Sunday
Thunderstorms
68°/ 58° 20°/ 14°
60%
Monday
Thunderstorms
65°/ 58° 18°/ 14°
60%
Tuesday
Mostly Cloudy
65°/ 58° 18°/ 14°
0%
Wednesday
Mostly Cloudy
68°/ 58° 20°/ 14°
0%
Thursday
Mostly Cloudy
68°20°
0%

Night: Mostly cloudy. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph.

Janesville, WI

Tonight
Sprinkles
58°14°
0%
Friday
Rain Showers
70°/ 60° 21°/ 16°
100%
Saturday
Thunderstorms
72°/ 60° 22°/ 16°
100%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
60%
Monday
Rain Showers
62°/ 50° 17°/ 10°
60%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Partly Cloudy
68°20°
0%

Night: Mostly cloudy through around midnight then becoming partly cloudy. Patchy fog in the evening. Scattered sprinkles in the late evening and early morning. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Waukesha, WI

Tonight
Rain Showers
58°14°
30%
Friday
Rain Showers
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
68°/ 58° 20°/ 14°
100%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Rain Showers
60°/ 52° 16°/ 11°
20%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Partly Cloudy
68°20°
0%

Night: Patchy fog in the evening. Mostly cloudy with scattered light rain showers in the evening, then partly cloudy in the late evening and overnight. Lows in the upper 50s. Northeast winds up to 10 mph. Chance of showers 30 percent.

Rockford, IL

Tonight
Mostly Cloudy
58°14°
0%
Friday
Rain Showers
72°/ 62° 22°/ 17°
100%
Saturday
Thunderstorms
72°/ 62° 22°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Thunderstorms
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%

Night: Mostly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Milwaukee, WI

Tonight
Rain Showers
60°16°
30%
Friday
Rain Showers
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
68°/ 58° 20°/ 14°
100%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
62°/ 52° 17°/ 11°
50%
Tuesday
Rain Showers
62°/ 52° 17°/ 11°
20%
Wednesday
Partly Cloudy
65°/ 55° 18°/ 13°
0%
Thursday
Partly Cloudy
68°20°
0%

Night: Patchy fog in the evening. Mostly cloudy with scattered light rain showers in the evening, then partly cloudy in the late evening and overnight. Lows around 60. Northeast winds up to 10 mph. Chance of showers 30 percent.

Watertown, WI

Tonight
Mostly Cloudy
58°14°
0%
Friday
Rain Showers
68°/ 58° 20°/ 14°
100%
Saturday
Thunderstorms
70°/ 58° 21°/ 14°
100%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Rain Showers
62°/ 48° 17°/
20%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Thursday
Partly Cloudy
68°20°
0%

Night: Mostly cloudy in the evening then becoming partly cloudy. Lows in the upper 50s. Northeast winds up to 10 mph.

Rochelle, IL

Tonight
Mostly Cloudy
60°16°
0%
Friday
Thunderstorms
72°/ 62° 22°/ 17°
90%
Saturday
Thunderstorms
75°/ 62° 24°/ 17°
100%
Sunday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Monday
Thunderstorms
62°/ 52° 17°/ 11°
60%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Cloudy
70°21°
0%

Night: Mostly cloudy. Lows around 60. Northeast winds 5 to 10 mph.

Oswego, IL

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

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

Joliet, IL

Tonight
Mostly Cloudy
65°18°
0%
Friday
Mostly Cloudy
75°/ 62° 24°/ 17°
70%
Saturday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
60%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
30%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Thursday
Cloudy
70°21°
0%

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

Calumet City, IL

Tonight
Mostly Cloudy
68°20°
0%
Friday
Mostly Cloudy
72°/ 62° 22°/ 17°
70%
Saturday
Thunderstorms
75°/ 65° 24°/ 18°
90%
Sunday
Thunderstorms
72°/ 58° 22°/ 14°
60%
Monday
Thunderstorms
65°/ 55° 18°/ 13°
60%
Tuesday
Rain Showers
65°/ 55° 18°/ 13°
30%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Thursday
Cloudy
70°21°
0%

Night: Mostly cloudy. Near steady temperature in the upper 60s. Northeast winds 5 to 10 mph.

Names listed above may include county names.

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