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

40°F

4°C

Humidity 83%
Wind Speed S 6 mph
Barometer 30.19 in (1022.6 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 3 Nov 12:53 am CST
Extended Forecast for

Casey IL

  • Overnight

    Overnight: Mostly clear, with a low around 36. South southwest wind 6 to 9 mph, with gusts as high as 16 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62. Southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 62 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. West northwest wind around 6 mph becoming calm in the evening.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65. Light south southeast wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 23 mph.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. Southwest wind around 14 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 71. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Northwest wind 5 to 8 mph becoming east after midnight.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 36. South southwest wind 6 to 9 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 62. Southwest wind 8 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Monday Night
Mostly clear, with a low around 36. West northwest wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 65. Light south southeast wind becoming south 13 to 18 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Partly cloudy, with a low around 49. Southwest wind around 14 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 71. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 38. Northwest wind 5 to 8 mph becoming east after midnight.
Thursday
Sunny, with a high near 64.
Thursday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 50.
Friday
A 40 percent chance of rain before noon. Partly sunny, with a high near 69.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
A chance of rain. Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casey IL
 39.3°N 87.97°W (Elev. 627 ft)
Last Update:
1:21 am CST Nov 3, 2025
Forecast Valid:
1am CST Nov 3, 2025-6pm CST Nov 9, 2025
 
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