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

27°F

-3°C

Humidity 49%
Wind Speed S 16 G 23 mph
Barometer 30.13 in (1021.2 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 21 Jan 12:53 am CST
Extended Forecast for

3 Miles SSE Mattoon IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. South wind 14 to 16 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 40. West wind 11 to 16 mph, with gusts as high as 26 mph.

    High: 40 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 20. West southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.

    Low: 20 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 31. Northwest wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 31 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 5. Light north northwest wind becoming north 10 to 15 mph in the evening. Winds could gust as high as 22 mph.

    Low: 5 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy and cold, with a high near 10. North wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 10 °F

    Cold

  • Friday Night

    Friday Night: Mostly cloudy, with a low around -1. North northeast wind around 11 mph, with gusts as high as 20 mph.

    Low: -1 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Mostly cloudy, with a high near 12.

    High: 12 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 7.

    Low: 7 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. South wind 14 to 16 mph, with gusts as high as 25 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 40. West wind 11 to 16 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 20. West southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 23 mph.
Thursday
Partly sunny, with a high near 31. Northwest wind 5 to 9 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 5. Light north northwest wind becoming north 10 to 15 mph in the evening. Winds could gust as high as 22 mph.
Friday
Mostly cloudy and cold, with a high near 10. North wind 13 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around -1. North northeast wind around 11 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of snow after noon. Mostly cloudy, with a high near 12.
Saturday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 7.
Sunday
Partly sunny, with a high near 18.
Sunday Night
Partly cloudy, with a low around 3.
Monday
Mostly sunny, with a high near 19.
Monday Night
Partly cloudy, with a low around 6.
Tuesday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Mattoon IL
 39.44°N 88.36°W (Elev. 768 ft)
Last Update:
12:36 am CST Jan 21, 2026
Forecast Valid:
1am CST Jan 21, 2026-6pm CST Jan 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