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 27%
Wind Speed S 12 G 21 mph
Barometer 30.10 in (1019.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 29 Mar 4:53 pm CDT
Extended Forecast for

4 Miles E Lerna IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 54. South southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 76. South southwest wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 16 to 23 mph, with gusts as high as 38 mph.

    High: 80 °F

    Breezy.
    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers after 1am. Low around 52. South southwest wind 11 to 15 mph becoming north northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after 1pm. High near 62. Northeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 52. East northeast wind 11 to 15 mph becoming south southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 52 °F

    Showers

  • Thursday

    Thursday: Showers. High near 66. Chance of precipitation is 80%.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 54. South southwest wind around 11 mph, with gusts as high as 23 mph.
Monday
Partly sunny, with a high near 76. South southwest wind 13 to 18 mph, with gusts as high as 30 mph.
Monday Night
Partly cloudy, with a low around 62. South southwest wind 14 to 16 mph, with gusts as high as 29 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80. Breezy, with a south southwest wind 16 to 23 mph, with gusts as high as 38 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers after 1am. Low around 52. South southwest wind 11 to 15 mph becoming north northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers, with thunderstorms also possible after 1pm. High near 62. Northeast wind around 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and possibly a thunderstorm. Low around 52. East northeast wind 11 to 15 mph becoming south southeast after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
Showers. High near 66. Chance of precipitation is 80%.
Thursday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 70%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 71.
Saturday Night
Showers likely. Mostly cloudy, with a low around 49.
Sunday
A chance of showers. Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Lerna IL
 39.42°N 88.19°W (Elev. 653 ft)
Last Update:
2:51 pm CDT Mar 29, 2026
Forecast Valid:
5pm CDT Mar 29, 2026-6pm CDT Apr 5, 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