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.

Fair

74°F

23°C

Humidity 79%
Wind Speed S 7 mph
Barometer 29.89 in (1011.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 16 Jun 6:53 pm CDT
Extended Forecast for

2 Miles WSW Lerna IL

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming south southwest 5 to 8 mph in the morning.

    High: 85 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. South wind 5 to 7 mph.

    Low: 71 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms, mainly after 1pm. High near 84. South southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 84 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.

    Low: 67 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 82. West northwest wind around 7 mph.

    High: 82 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. South wind around 5 mph becoming calm in the evening.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 85. Calm wind becoming south southwest 5 to 8 mph in the morning.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. South wind 5 to 7 mph.
Wednesday
Showers and thunderstorms, mainly after 1pm. High near 84. South southwest wind 9 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
A 50 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. South southwest wind 8 to 13 mph, with gusts as high as 21 mph.
Juneteenth
Mostly sunny, with a high near 82. West northwest wind around 7 mph.
Thursday Night
Mostly clear, with a low around 66. Calm wind.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 72.
Saturday
Sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 92.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Lerna IL
 39.4°N 88.34°W (Elev. 696 ft)
Last Update:
6:41 pm CDT Jun 16, 2025
Forecast Valid:
7pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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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