Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

20°F

-7°C

Humidity 60%
Wind Speed S 13 G 21 mph
Barometer 30.05 in (1018.6 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill7°F (-14°C)
Last update 18 Jan 11:53 am CST
Extended Forecast for

Charleston IL

Cold Weather Advisory January 19, 03:00am until January 19, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  • Today

    Today: A chance of flurries after 2pm.  Mostly cloudy, with a high near 24. Wind chill values between 4 and 11. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.

    High: 24 °F

    Chance
    Flurries

  • Tonight

    Tonight: A chance of flurries with a slight chance of snow before 7pm, then a chance of flurries between 7pm and 10pm.  Cloudy, then gradually becoming partly cloudy, with a low around 6. Wind chill values between -8 and 2. Blustery, with a southwest wind 11 to 21 mph becoming west northwest in the evening. Winds could gust as high as 34 mph.  Chance of precipitation is 20%.

    Low: 6 °F

    Slight Chance
    Snow then
    Mostly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 15. Wind chill values between -2 and -12. West northwest wind 9 to 18 mph, with gusts as high as 32 mph.

    High: 15 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 6. Wind chill values between -5 and zero. West wind 5 to 7 mph.

    Low: 6 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 22. South wind 8 to 15 mph, with gusts as high as 25 mph.

    Low: 22 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. West southwest wind 9 to 15 mph, with gusts as high as 24 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 30.

    High: 30 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of flurries after 2pm. Mostly cloudy, with a high near 24. Wind chill values between 4 and 11. South southwest wind 13 to 15 mph, with gusts as high as 24 mph.
Tonight
A chance of flurries with a slight chance of snow before 7pm, then a chance of flurries between 7pm and 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 6. Wind chill values between -8 and 2. Blustery, with a southwest wind 11 to 21 mph becoming west northwest in the evening. Winds could gust as high as 34 mph. Chance of precipitation is 20%.
M.L.King Day
Sunny, with a high near 15. Wind chill values between -2 and -12. West northwest wind 9 to 18 mph, with gusts as high as 32 mph.
Monday Night
Mostly clear, with a low around 6. Wind chill values between -5 and zero. West wind 5 to 7 mph.
Tuesday
Mostly sunny, with a high near 28. South southwest wind 7 to 13 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 22. South wind 8 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 39. West southwest wind 9 to 15 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 18.
Thursday
Mostly sunny, with a high near 30.
Thursday Night
Partly cloudy, with a low around 21.
Friday
A chance of rain. Mostly cloudy, with a high near 38.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 18.
Saturday
A chance of snow. Partly sunny, with a high near 27.
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston IL
 39.5°N 88.19°W (Elev. 650 ft)
11:26 am CST Jan 18, 2026
11am CST Jan 18, 2026-6pm CST Jan 24, 2026
 
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Additional Resources

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