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

42°F

6°C

Humidity 58%
Wind Speed S 7 mph
Barometer 30.10 in (1019.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 13 Feb 10:53 pm CST
Extended Forecast for

4 Miles WSW Casey IL

  • Tonight

    Tonight: Partly cloudy, with a low around 29. South wind 3 to 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain, mainly after noon. Cloudy, with a high near 51. South wind 3 to 6 mph.

    High: 51 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely. Patchy fog after 2am. Otherwise, cloudy, with a low around 41. East wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. East northeast wind 5 to 9 mph.

    High: 55 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37. Light and variable wind.

    Low: 37 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 58. Calm wind becoming south 5 to 9 mph in the morning.

    High: 58 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. South wind around 6 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 29. South wind 3 to 6 mph.
Saturday
A 40 percent chance of rain, mainly after noon. Cloudy, with a high near 51. South wind 3 to 6 mph.
Saturday Night
Rain likely. Patchy fog after 2am. Otherwise, cloudy, with a low around 41. East wind 5 to 7 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Patchy fog before 7am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 55. East northeast wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 37. Light and variable wind.
Washington's Birthday
Mostly sunny, with a high near 58. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night
Mostly cloudy, with a low around 42. South wind around 6 mph.
Tuesday
Mostly cloudy, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
A chance of rain. Partly sunny, with a high near 62.
Thursday Night
A chance of rain. Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 52.
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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:
11:37 pm CST Feb 13, 2026
Forecast Valid:
11pm CST Feb 13, 2026-6pm CST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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