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 93%
Wind Speed N 13 mph
Barometer 29.71 in (1005.4 mb)
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Last update 2 Aug 4:53 am CDT
Extended Forecast for

2 Miles NW Lerna IL

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 65. North wind around 14 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: 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

  • 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. 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.

    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

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 65. North wind around 14 mph, with gusts as high as 25 mph.
Sunday
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.
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. 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.
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.
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
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NW Lerna IL
 39.44°N 88.31°W (Elev. 709 ft)
Last Update:
1:26 am CDT Aug 2, 2026
Forecast Valid:
5am CDT Aug 2, 2026-6pm CDT Aug 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation