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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

68°F

20°C

Humidity 87%
Wind Speed NE 9 mph
Barometer 30.08 in (1018.0 mb)
Dewpoint 64°F (18°C)
Visibility 8.00 mi
Last update 14 Oct 11:53 pm CDT
Extended Forecast for

Charleston IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. East northeast wind around 7 mph.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 79. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Chance
    Showers then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 50. Southwest wind 13 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers

  • Friday

    Friday: Partly sunny, with a high near 59. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.

    High: 59 °F

    Partly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 60. North northeast wind 3 to 7 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 5am. Otherwise, clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Areas of frost before 8am. Otherwise, sunny, with a high near 67.

    High: 67 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. East northeast wind around 7 mph.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 79. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 50. Southwest wind 13 to 17 mph becoming northwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Partly sunny, with a high near 59. Breezy, with a northwest wind 17 to 21 mph, with gusts as high as 31 mph.
Friday Night
Partly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 23 mph.
Saturday
Sunny, with a high near 60. North northeast wind 3 to 7 mph.
Saturday Night
Areas of frost after 5am. Otherwise, clear, with a low around 35. Light and variable wind.
Sunday
Areas of frost before 8am. Otherwise, sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 40.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 78.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.48°N 88.19°W (Elev. 650 ft)
Last Update:
11:51 pm CDT Oct 14, 2026
Forecast Valid:
12am CDT Oct 15, 2026-6pm CDT Oct 21, 2026
 
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