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 13 G 32 mph
Barometer 30.16 in (1022.2 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 20 Jan 11:53 pm CST
Extended Forecast for

4 Miles WSW Casey IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 23. South wind 11 to 15 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 42. West southwest wind 10 to 16 mph, with gusts as high as 28 mph.

    High: 42 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32. Northwest wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 32 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 8. Light north northwest wind becoming north 9 to 14 mph in the evening. Winds could gust as high as 22 mph.

    Low: 8 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 12. North wind 13 to 15 mph, with gusts as high as 23 mph.

    High: 12 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 2. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 2 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Cloudy, with a high near 14.

    High: 14 °F

    Cloudy then
    Chance Snow

  • Saturday Night

    Saturday Night: A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 8.

    Low: 8 °F

    Chance Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 23. South wind 11 to 15 mph, with gusts as high as 25 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 42. West southwest wind 10 to 16 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 22. West southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Thursday
Partly sunny, with a high near 32. Northwest wind 5 to 9 mph, with gusts as high as 15 mph.
Thursday Night
Mostly cloudy, with a low around 8. Light north northwest wind becoming north 9 to 14 mph in the evening. Winds could gust as high as 22 mph.
Friday
Mostly cloudy, with a high near 12. North wind 13 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 2. North northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
A 30 percent chance of snow after noon. Cloudy, with a high near 14.
Saturday Night
A 40 percent chance of snow before midnight. Mostly cloudy, with a low around 8.
Sunday
Partly sunny, with a high near 19.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 20.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Casey IL
 39.28°N 88.06°W (Elev. 600 ft)
Last Update:
11:36 pm CST Jan 20, 2026
Forecast Valid:
12am CST Jan 21, 2026-6pm CST Jan 27, 2026
 
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Additional Resources

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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