Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

74°F

23°C

Humidity 97%
Wind Speed SW 7 mph
Barometer 29.98 in (1014.7 mb)
Dewpoint 73°F (23°C)
Visibility 7.00 mi
Last update 9 Jun 4:53 am CDT
Extended Forecast for

Lerna IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms.  Mostly cloudy, with a steady temperature around 74. South southwest wind around 8 mph, with gusts as high as 16 mph.

    Low: 74 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 9am.  Partly sunny, with a high near 86. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 86 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 2am.  Partly cloudy, with a low around 73. South southwest wind 6 to 8 mph.

    Low: 73 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 90. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. South southwest wind 10 to 13 mph, with gusts as high as 24 mph.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am.  Partly cloudy, with a low around 68. South southwest wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 74. South southwest wind around 8 mph, with gusts as high as 16 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 9am. Partly sunny, with a high near 86. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 73. South southwest wind 6 to 8 mph.
Wednesday
Sunny, with a high near 90. South southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 74. South southwest wind 10 to 13 mph, with gusts as high as 24 mph.
Thursday
Sunny, with a high near 90. South southwest wind 10 to 17 mph, with gusts as high as 28 mph.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 68. South southwest wind 9 to 15 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A chance of showers. Mostly sunny, with a high near 80.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 76.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Lerna IL
 39.42°N 88.28°W (Elev. 741 ft)
5:06 am CDT Jun 9, 2026
5am CDT Jun 9, 2026-6pm CDT Jun 15, 2026
 
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Additional Resources

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