Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Partly Cloudy

63°F

17°C

Humidity 47%
Wind Speed S 15 G 35 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 3 May 3:53 pm CDT
Extended Forecast for

Sullivan IL

Blowing Dust Advisory May 3, 04:56pm until May 3, 07:00pm
Click here for hazard details and duration
Blowing Dust Advisory
  •  
    Blowing Dust Advisory May 3, 04:56pm until May 3, 07:00pm

    NOW until 7:00pm Sun

    Blowing Dust Advisory

  • This Afternoon

    High: 67 °F

    Slight Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 5am.  Patchy blowing dust before 7pm. Mostly cloudy, with a low around 53. South southwest wind 8 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Mostly sunny, with a high near 76. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 31 mph.

    High: 76 °F

    Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am.  Low around 52. South southwest wind 10 to 14 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 4pm.  High near 61. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 61 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am.  Cloudy, then gradually becoming partly cloudy, with a low around 41. North northeast wind 8 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 56. North wind 7 to 10 mph, with gusts as high as 15 mph.

    High: 56 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Patchy blowing dust. Partly sunny, with a high near 67. Breezy, with a south southwest wind around 21 mph, with gusts as high as 37 mph.
Tonight
A chance of showers before 7pm, then a chance of showers and thunderstorms between 7pm and 5am. Patchy blowing dust before 7pm. Mostly cloudy, with a low around 53. South southwest wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 76. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 31 mph.
Monday Night
Showers and thunderstorms likely before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 52. South southwest wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers, with thunderstorms also possible after 4pm. High near 61. South southwest wind 10 to 15 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm before 7pm, then showers likely between 7pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 41. North northeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Partly sunny, with a high near 56. North wind 7 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 44.
Friday
A chance of showers. Partly sunny, with a high near 64.
Friday Night
A chance of showers. Partly cloudy, with a low around 45.
Saturday
Sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Mostly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.61°N 88.61°W (Elev. 669 ft)
4:36 pm CDT May 3, 2026
4pm CDT May 3, 2026-6pm CDT May 10, 2026
 
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Additional Resources

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