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

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

60°F

16°C

Humidity 31%
Wind Speed SE 7 mph
Barometer 30.25 in (1024.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 4:53 pm CDT
Extended Forecast for

3 Miles WNW Mattoon IL

  • Tonight

    Tonight: Mostly clear, with a low around 47. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Southwest wind 10 to 18 mph, with gusts as high as 31 mph.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 57 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. West southwest wind around 10 mph, with gusts as high as 17 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56. South wind around 8 mph.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. South wind 9 to 17 mph, with gusts as high as 28 mph.

    High: 79 °F

    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 25 mph.

    Low: 61 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.

    High: 74 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 47. South southeast wind 6 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 75. Southwest wind 10 to 18 mph, with gusts as high as 31 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 57. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday
Mostly sunny, with a high near 75. West southwest wind around 10 mph, with gusts as high as 17 mph.
Wednesday Night
Mostly clear, with a low around 56. South wind around 8 mph.
Thursday
Sunny, with a high near 79. South wind 9 to 17 mph, with gusts as high as 28 mph.
Thursday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 61. South wind around 15 mph, with gusts as high as 25 mph.
Friday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 70.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 52.
Monday
A chance of showers. Mostly cloudy, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Mattoon IL
 39.49°N 88.42°W (Elev. 732 ft)
Last Update:
5:16 pm CDT Apr 20, 2026
Forecast Valid:
5pm CDT Apr 20, 2026-6pm CDT Apr 27, 2026
 
Forecast Discussion
 
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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