National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

A Few Clouds

63°F

17°C

Humidity 63%
Wind Speed S 12 G 22 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 14 Nov 9:53 am CST
Extended Forecast for

5 Miles S Sullivan IL

  • Today

    Today: Sunny, with a high near 72. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 73. Southwest wind 9 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 73 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. North northwest wind 7 to 11 mph, with gusts as high as 16 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. North northwest wind 5 to 8 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Light and variable wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 54. Calm wind becoming east 5 to 7 mph in the morning.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

    Low: 39 °F

    Rain Likely

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain
    then Partly
    Sunny

Detailed Forecast

Today
Sunny, with a high near 72. Southwest wind 8 to 10 mph, with gusts as high as 16 mph.
Tonight
Partly cloudy, with a low around 58. Southwest wind 7 to 11 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 73. Southwest wind 9 to 16 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 41. North northwest wind 7 to 11 mph, with gusts as high as 16 mph.
Sunday
Sunny, with a high near 55. North northwest wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 35. Light and variable wind.
Monday
Mostly sunny, with a high near 54. Calm wind becoming east 5 to 7 mph in the morning.
Monday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.
Tuesday
A 30 percent chance of rain before noon. Partly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38.
Thursday
Rain likely. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles S Sullivan IL
 39.52°N 88.59°W (Elev. 617 ft)
Last Update:
5:01 am CST Nov 14, 2025
Forecast Valid:
10am CST Nov 14, 2025-6pm CST Nov 20, 2025
 
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