Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Light Snow

9°F

-13°C

Humidity 61%
Wind Speed NE 17 mph
Barometer 30.49 in (1034.4 mb)
Dewpoint -2°F (-19°C)
Visibility 5.00 mi
Wind Chill-9°F (-23°C)
Last update 24 Jan 12:53 pm CST
Extended Forecast for

Sullivan IL

Cold Weather Advisory January 26, 12:00am until January 26, 12:00pm
Winter Storm Warning until January 25, 09:00pm
Click here for hazard details and duration
Cold Weather Advisory
Winter Storm Warning
  •  
    Winter Storm Warning until January 25, 09:00pm

    NOW until 9:00pm Sun

    Winter Storm Warning

  • This Afternoon

    High: 11 °F

    Snow Likely

  • Tonight

    Tonight: Snow.  Low around 8. Wind chill values between -5 and zero. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.  Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    Low: 8 °F

    Snow

  • Sunday

    Sunday: Snow, mainly before 5pm.  High near 15. Wind chill values between -8 and zero. North wind around 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

    High: 15 °F

    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -2. Wind chill values between -8 and -18. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: -2 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny and cold, with a high near 10. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 10 °F

    Cold

  • Monday Night

    Monday Night: Mostly clear, with a low around -1. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    Low: -1 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 25. Southwest wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 25 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow likely, mainly after 3pm. Cloudy, with a high near 11. Wind chill values between -5 and zero. East northeast wind around 11 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.
Tonight
Snow. Low around 8. Wind chill values between -5 and zero. Northeast wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Sunday
Snow, mainly before 5pm. High near 15. Wind chill values between -8 and zero. North wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.
Sunday Night
Mostly cloudy, with a low around -2. Wind chill values between -8 and -18. Northwest wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
Mostly sunny and cold, with a high near 10. West northwest wind 8 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around -1. Southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 25. Southwest wind 8 to 14 mph becoming west northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Partly cloudy, with a low around 0.
Wednesday
Partly sunny, with a high near 16.
Wednesday Night
Mostly cloudy, with a low around 0.
Thursday
Mostly sunny, with a high near 15.
Thursday Night
Partly cloudy, with a low around -1.
Friday
Mostly sunny, with a high near 17.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.59°N 88.61°W (Elev. 669 ft)
1:42 pm CST Jan 24, 2026
1pm CST Jan 24, 2026-6pm CST Jan 30, 2026
 
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Additional Resources

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