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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

2 Miles WSW Lerna IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 79. Breezy, with a southwest wind around 21 mph, with gusts as high as 31 mph.

    High: 79 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 52. South southwest wind 6 to 15 mph becoming north northeast 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

    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 64. Northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 59. East wind 9 to 15 mph becoming south after midnight. Winds could gust as high as 26 mph.

    Low: 59 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Breezy, with a south wind 18 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Breezy.
    Mostly Cloudy
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 59. Breezy, with a south southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 59 °F

    Showers and
    Breezy

  • Friday

    Friday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely after 1pm. Mostly cloudy, with a high near 77. South wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 66. Breezy. Chance of precipitation is 80%.

    High: 66 °F

    Showers and
    Breezy

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly cloudy, with a high near 79. Breezy, with a southwest wind around 21 mph, with gusts as high as 31 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 2am. Low around 52. South southwest wind 6 to 15 mph becoming north northeast 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 and possibly a thunderstorm. High near 64. Northeast wind around 10 mph, with gusts as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 59. East wind 9 to 15 mph becoming south after midnight. Winds could gust as high as 26 mph.
Thursday
Showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 76. Breezy, with a south wind 18 to 28 mph, with gusts as high as 44 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and possibly a thunderstorm. Low around 59. Breezy, with a south southwest wind 17 to 22 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely after 1pm. Mostly cloudy, with a high near 77. South wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 80%.
Saturday
Showers and possibly a thunderstorm. High near 66. Breezy. Chance of precipitation is 80%.
Saturday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 36.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 32.
Monday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Lerna IL
 39.4°N 88.34°W (Elev. 696 ft)
Last Update:
3:36 pm CDT Mar 31, 2026
Forecast Valid:
3pm CDT Mar 31, 2026-6pm CDT Apr 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation