National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

27°F

-3°C

Humidity 78%
Wind Speed W 13 mph
Barometer 30.13 in (1020.9 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 10 Jan 11:53 pm CST
Extended Forecast for

3 Miles NE Janesville IL

  • Overnight

    Overnight: A slight chance of snow between 2am and 5am. Partly cloudy, with a low around 24. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    Low: 24 °F

    Slight Chance
    Snow and
    Blustery

  • Sunday

    Sunday: Mostly sunny, with a high near 34. Breezy, with a northwest wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 34 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. West northwest wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 43. West southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 43 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of snow between 2am and 5am. Partly cloudy, with a low around 24. Blustery, with a west northwest wind 16 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 34. Breezy, with a northwest wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 36 mph.
Sunday Night
Mostly clear, with a low around 24. West northwest wind 6 to 9 mph becoming southwest after midnight. Winds could gust as high as 18 mph.
Monday
Mostly sunny, with a high near 43. West southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 32. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 52. South southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 34. West southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
Mostly cloudy, with a high near 37.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Partly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Janesville IL
 39.39°N 88.22°W (Elev. 702 ft)
Last Update:
6:42 pm CST Jan 10, 2026
Forecast Valid:
12am CST Jan 11, 2026-6pm CST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation