Janesville, Illinois Weather
No Watches or Warnings for Janesville
Issued: 3:16 am CST Dec 7, 2025 Latitude: 39.3742031 Longitude: -88.2436532 View on Google Maps
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Mostly Cloudy |
Mostly Sunny |
Partly Sunny |
Mostly Cloudy |
Snow |
Mostly Sunny |
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Current Conditions at
MATTOON - (KMTO)
34°
Cloudy
Mist
as of 3:53 AM CST
Rel. Humidity: 100%
Dew Point: 34°F
Visibility: 4 Miles
Pressure: 29.96 in.
Flight Rule: LIFR
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
EFFINGHAM COUNTY MEMORIAL - (K1H2)
36°
Cloudy
Mist
as of 3:55 AM CST
Rel. Humidity: 100%
Dew Point: 36°F
Visibility: 4 Miles
Pressure: 29.98 in.
Flight Rule: IFR
Wind Data
3 MPH
140° Southeast
Cloud Level(s): Solid Overcast at 700ft
Current Conditions at
EDGAR COUNTY ARPT - (KPRG)
Cloudy
Mist
as of 3:55 AM CST
Rel. Humidity: 100%
Dew Point: 32°F
Visibility: 2 1/2 Miles
Pressure: 29.97 in.
Flight Rule: LIFR
Wind Data
10 MPH
160° South
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
CHAMPAIGN - (KCMI)
Cloudy
Mist
as of 3:53 AM CST
Rel. Humidity: 93%
Dew Point: 32°F
Visibility: 3 Miles
Pressure: 29.93 in.
Flight Rule: LIFR
Wind Data
15 MPH
160° South
Cloud Level(s): Solid Overcast at 400ft
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Today... Areas of fog before 4pm. Otherwise, cloudy, with a high near 35. South wind 5 to 14 mph becoming north northwest in the morning. Winds could gust as high as 23 mph. |
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Tonight... Mostly cloudy, with a low around 18. North northeast wind 8 to 13 mph, with gusts as high as 22 mph. |
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Monday... Mostly sunny, with a high near 30. North northeast wind 5 to 8 mph becoming calm in the afternoon. |
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Monday Night... Partly cloudy, with a low around 19. Light south wind becoming south southwest 10 to 15 mph in the evening. Winds could gust as high as 23 mph. |
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Tuesday... Partly sunny, with a high near 43. South southwest wind around 15 mph, with gusts as high as 23 mph. |
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Tuesday Night... Mostly cloudy, with a low around 38. Breezy, with a south southwest wind 14 to 20 mph, with gusts as high as 30 mph. |
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Wednesday... Mostly cloudy, with a high near 44. Breezy, with a west wind 11 to 20 mph, with gusts as high as 30 mph. |
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Wednesday Night... Mostly cloudy, with a low around 25. |
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Thursday... A 40 percent chance of snow. Mostly cloudy, with a high near 32. |
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Thursday Night... Mostly cloudy, with a low around 14. |
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Friday... Mostly sunny, with a high near 22. |
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Friday Night... Mostly cloudy, with a low around 3. |
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Saturday... Partly sunny, with a high near 16. |
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Current Radar Image
Sun Almanac for Janesville, Illinois
Sunrise: 07:00 AM
Sunset: 4:29 PM
Civil Sunrise:06:30 AM
Civil Sunset: 4:59 PM
Nautical Sunrise: 05:56 AM
Nautical Sunset: 5:33 PM
Astro Sunrise: 05:24 AM
Astro Sunset: 6:05 PM
Illinois' Current Temperatures
Illinois' Satellite Image
Illinois' Current Wind Direction
| National Summary |
of upper and lower values of current conditions amongst 6983 locations
in the contiguous United States |
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High
Temp |
81° |
Keathley C 875, Louisiana
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Low
Temp |
-18° |
Jamestown, North Dakota
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Wind
Speed |
36mph |
Dakota Hill, Colorado
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Wind
Gust |
49mph |
Dakota Hill, Colorado
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Wind
Chill |
-29° |
Duluth Intl, Minnesota
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High
Pressure |
30.33Hg |
Hutson Field, North Dakota
and 1 other location
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Low
Pressure |
29.77Hg |
Cleburne, Texas
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| # Locations Reporting Snow |
111 |
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| # Locations Reporting Rain |
50 |
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| # Locations Reporting Fog |
158 |
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| Average Temperature in the Contiguous USA |
33° |
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National Weather Service for official information.
