Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Light Rain

58°F

14°C

Humidity 84%
Wind Speed S 13 G 22 mph
Barometer 29.70 in (1005.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 4 May 9:53 am CDT
Extended Forecast for

Sullivan IL

Blowing Dust Advisory May 4, 11:00am until May 4, 06:00pm
Click here for hazard details and duration
Blowing Dust Advisory
  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 11am.  Patchy blowing dust after 11am. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 30 mph.

    High: 76 °F

    Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm.  Mostly cloudy, with a low around 52. South southwest wind 9 to 14 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers and possibly a thunderstorm after 1pm.  High near 59. North northeast wind 8 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 43. North northeast wind 8 to 11 mph, with gusts as high as 17 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 57. North wind 8 to 10 mph, with gusts as high as 15 mph.

    High: 57 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40. North wind around 7 mph.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 60. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 60 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 11am. Patchy blowing dust after 11am. Mostly cloudy, with a high near 76. Breezy, with a south southwest wind 17 to 20 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 10pm. Mostly cloudy, with a low around 52. South southwest wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. High near 59. North northeast wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. North northeast wind 8 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Partly sunny, with a high near 57. North wind 8 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Mostly cloudy, with a low around 40. North wind around 7 mph.
Thursday
Mostly sunny, with a high near 60. West northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 65.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 44.
Saturday
Sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A chance of showers. Mostly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.61°N 88.61°W (Elev. 669 ft)
10:26 am CDT May 4, 2026
10am CDT May 4, 2026-6pm CDT May 10, 2026
 
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Additional Resources

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