Heat Persists in the South Central U.S. and California; Heavy Rain in the Ohio Valley

Sweltering heat remains across the South-Central Plains and Lower/Middle Mississippi Valley, as well as in the Southwest and California this week with limited nighttime relief. Heavy rainfall will lead to localized areas of flash flooding in parts of the Ohio Valley/Central Appalachians. Dry and breezy conditions will enhance fire weather concerns across the northern Rockies and High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

73°F

23°C

Humidity 79%
Wind Speed N 6 mph
Barometer 30.04 in (1016.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 9 Sep 9:53 pm CDT
Extended Forecast for

3 Miles NNW Ashmore IL

  • Tonight

    Tonight: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 69. Light northwest wind.  Chance of precipitation is 30%.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before noon.  Mostly cloudy, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 60. Northeast wind 3 to 5 mph.

    Low: 60 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 81. East northeast wind around 6 mph.

    High: 81 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Light east southeast wind.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 87. West southwest wind 3 to 6 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Light northwest wind. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely, mainly before noon. Mostly cloudy, with a high near 79. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Increasing clouds, with a low around 60. Northeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 81. East northeast wind around 6 mph.
Friday Night
Partly cloudy, with a low around 64. Light east southeast wind.
Saturday
Mostly sunny, with a high near 87. West southwest wind 3 to 6 mph.
Saturday Night
Partly cloudy, with a low around 66. Calm wind.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Sunny, with a high near 90.
Monday Night
Mostly clear, with a low around 70.
Tuesday
A chance of showers. Mostly sunny, with a high near 89.
Tuesday Night
A chance of showers. Partly cloudy, with a low around 62.
Wednesday
A chance of showers. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Ashmore IL
 39.56°N 88.04°W (Elev. 666 ft)
6:11 pm CDT Sep 9, 2026
10pm CDT Sep 9, 2026-6pm CDT Sep 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database