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

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fog/Mist

69°F

21°C

Humidity 96%
Wind Speed N 14 mph
Barometer 29.68 in (1004.5 mb)
Dewpoint 68°F (20°C)
Visibility 6.00 mi
Last update 2 Aug 12:53 am CDT
Extended Forecast for

Mattoon IL

  • Overnight

    Overnight: Showers, mainly before 5am. Low around 65. North wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 8am. Partly sunny, with a high near 79. North wind 14 to 16 mph, with gusts as high as 26 mph.

    High: 79 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. North wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82. North northeast wind 6 to 8 mph.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Northeast wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83. Light east northeast wind.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers, mainly before 5am. Low around 65. North wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 20 percent chance of showers before 8am. Partly sunny, with a high near 79. North wind 14 to 16 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 62. North wind 6 to 11 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 82. North northeast wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 61. Northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 83. Light east northeast wind.
Tuesday Night
Mostly clear, with a low around 62. Calm wind.
Wednesday
Sunny, with a high near 85.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 66.
Thursday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 82.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84.
Friday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.47°N 88.36°W (Elev. 728 ft)
Last Update:
1:26 am CDT Aug 2, 2026
Forecast Valid:
1am CDT Aug 2, 2026-6pm CDT Aug 8, 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