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

78°F

26°C

Humidity 36%
Wind Speed S 10 G 18 mph
Barometer 29.88 in (1011.4 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 May 2:53 pm CDT
Extended Forecast for

Sullivan IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. Southwest wind 11 to 13 mph, with gusts as high as 16 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South wind 9 to 11 mph, with gusts as high as 17 mph.

    Low: 58 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 75. South wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Slight Chance
    T-storms then
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 60. South wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 69. East southeast wind 8 to 14 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 69 °F

    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 54. North wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. North wind 11 to 14 mph, with gusts as high as 22 mph.

    High: 72 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 81. Southwest wind 11 to 13 mph, with gusts as high as 16 mph.
Tonight
Partly cloudy, with a low around 58. South wind 9 to 11 mph, with gusts as high as 17 mph.
Monday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 75. South wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
Showers and possibly a thunderstorm. Low around 60. South wind 9 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 69. East southeast wind 8 to 14 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 54. North wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 72. North wind 11 to 14 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 75.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.61°N 88.61°W (Elev. 669 ft)
Last Update:
2:20 pm CDT May 12, 2024
Forecast Valid:
3pm CDT May 12, 2024-6pm CDT May 18, 2024
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation