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

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Rain

38°F

3°C

Humidity 97%
Wind Speed S 9 G 21 mph
Barometer 29.64 in (1004.0 mb)
Dewpoint 37°F (3°C)
Visibility NA
Wind Chill32°F (0°C)
Last update 18 Jan 1:53 am CST
Extended Forecast for

Sullivan IL

  • Overnight

    Overnight: Rain likely, possibly mixing with snow after 4am, then gradually ending. Cloudy, with a low around 28. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 28 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: Mostly cloudy, with a temperature falling to around 25 by 5pm. North wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 29 °F⇓

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 9. Wind chill values between -4 and 6. North wind 11 to 16 mph, with gusts as high as 24 mph.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 11. Wind chill values between -6 and -11. Northwest wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 11 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around -1. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: -1 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 15. West wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 15 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 0. West northwest wind around 6 mph.

    Low: 0 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 12.

    High: 12 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 2.

    Low: 2 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain likely, possibly mixing with snow after 4am, then gradually ending. Cloudy, with a low around 28. West wind 10 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
Mostly cloudy, with a temperature falling to around 25 by 5pm. North wind 14 to 18 mph, with gusts as high as 28 mph.
Saturday Night
Mostly cloudy, with a low around 9. Wind chill values between -4 and 6. North wind 11 to 16 mph, with gusts as high as 24 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 11. Wind chill values between -6 and -11. Northwest wind 15 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around -1. Northwest wind 6 to 13 mph, with gusts as high as 21 mph.
M.L.King Day
Sunny, with a high near 15. West wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
Partly cloudy, with a low around 0. West northwest wind around 6 mph.
Tuesday
Sunny, with a high near 12.
Tuesday Night
Partly cloudy, with a low around 2.
Wednesday
Mostly sunny, with a high near 27.
Wednesday Night
Mostly cloudy, with a low around 17.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Mostly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 32.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Sullivan IL
 39.59°N 88.61°W (Elev. 669 ft)
Last Update:
2:02 am CST Jan 18, 2025
Forecast Valid:
2am CST Jan 18, 2025-6pm CST Jan 24, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation