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.

Overcast

21°F

-6°C

Humidity 81%
Wind Speed S 9 mph
Barometer 30.17 in (1022.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 1 Feb 10:53 pm CST
Extended Forecast for

5 Miles ESE Janesville IL

  • Tonight

    Tonight: A 30 percent chance of snow, mainly before midnight. Cloudy, with a low around 19. South southwest wind around 8 mph, with gusts as high as 17 mph.

    Low: 19 °F

    Chance Snow

  • Monday

    Monday: Mostly cloudy, with a high near 31. Southwest wind 5 to 8 mph becoming west northwest in the afternoon.

    High: 31 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. Calm wind.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 29. Calm wind becoming north northeast 5 to 7 mph in the morning.

    High: 29 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 13. North wind around 6 mph.

    Low: 13 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 25. North wind 3 to 6 mph.

    High: 25 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. Calm wind.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of snow, mainly before midnight. Cloudy, with a low around 19. South southwest wind around 8 mph, with gusts as high as 17 mph.
Monday
Mostly cloudy, with a high near 31. Southwest wind 5 to 8 mph becoming west northwest in the afternoon.
Monday Night
Mostly cloudy, with a low around 20. Calm wind.
Tuesday
A 30 percent chance of snow before noon. Mostly cloudy, with a high near 29. Calm wind becoming north northeast 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 13. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 25. North wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 9. Calm wind.
Thursday
Partly sunny, with a high near 31.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 14.
Saturday
Sunny, with a high near 27.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Janesville IL
 39.35°N 88.17°W (Elev. 551 ft)
Last Update:
11:37 pm CST Feb 1, 2026
Forecast Valid:
11pm CST Feb 1, 2026-6pm CST Feb 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation