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.

Overcast

66°F

19°C

Humidity 84%
Wind Speed SE 5 mph
Barometer 30.04 in (1016.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Aug 11:53 pm CDT
Extended Forecast for

Ashmore IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 62. South southeast wind 3 to 5 mph.

    Low: 62 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 64. West wind 3 to 6 mph.

    Low: 64 °F

    Chance
    T-storms

  • Thursday

    Thursday: Sunny, with a high near 83. North northwest wind 3 to 7 mph.

    High: 83 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. North northeast wind 3 to 5 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. North northeast wind 3 to 7 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 59. Light east wind.

    Low: 59 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 62. South southeast wind 3 to 5 mph.
Wednesday
A slight chance of showers before 9am, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 16 mph. Chance of precipitation is 20%.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 64. West wind 3 to 6 mph.
Thursday
Sunny, with a high near 83. North northwest wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 61. North northeast wind 3 to 5 mph.
Friday
Sunny, with a high near 83. North northeast wind 3 to 7 mph.
Friday Night
Clear, with a low around 59. Light east wind.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 69.
Monday
Mostly sunny, with a high near 89.
Monday Night
A chance of showers. Partly cloudy, with a low around 71.
Tuesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ashmore IL
 39.54°N 88.01°W (Elev. 689 ft)
Last Update:
10:36 pm CDT Aug 25, 2026
Forecast Valid:
12am CDT Aug 26, 2026-6pm CDT Sep 1, 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