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.

Overcast

68°F

20°C

Humidity 90%
Wind Speed N 13 mph
Barometer 29.73 in (1006.0 mb)
Dewpoint 65°F (18°C)
Visibility 9.00 mi
Last update 2 Aug 5:53 am CDT
Extended Forecast for

2 Miles NW Lerna IL

  • Today

    Today: A 20 percent chance of showers before 9am. Partly sunny, with a high near 79. North wind 15 to 17 mph, with gusts as high as 26 mph.

    High: 79 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Tonight

    Tonight: 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. East northeast wind 3 to 6 mph.

    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. Light south southwest wind.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers before 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of showers before 9am. Partly sunny, with a high near 79. North wind 15 to 17 mph, with gusts as high as 26 mph.
Tonight
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. East northeast wind 3 to 6 mph.
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. Light south southwest wind.
Wednesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 65.
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. Chance of precipitation is 40%.
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 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Lerna IL
 39.44°N 88.31°W (Elev. 709 ft)
Last Update:
6:36 am CDT Aug 2, 2026
Forecast Valid:
6am 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