Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

23°F

-5°C

Humidity 60%
Wind Speed S 8 mph
Barometer 29.96 in (1015.5 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 18 Jan 8:53 pm CST
Extended Forecast for

Arthur IL

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

    Tonight: A chance of flurries before 10pm.  Mostly cloudy, with a low around 5. Wind chill values between -1 and -11. Blustery, with a southwest wind 9 to 14 mph becoming west northwest 18 to 23 mph after midnight. Winds could gust as high as 37 mph.

    Low: 5 °F

    Cloudy then
    Mostly Cloudy
    and Blustery

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 14. Wind chill values between -6 and -16. Blustery, with a west northwest wind 13 to 23 mph, with gusts as high as 34 mph.

    High: 14 °F

    Mostly Sunny
    and Blustery

  • Monday Night

    Monday Night: Increasing clouds, with a low around 7. Wind chill values between -5 and zero. West southwest wind 6 to 10 mph, with gusts as high as 15 mph.

    Low: 7 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. Wind chill values between -3 and 7. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.

    High: 28 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 21. South wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 28 mph.

    Low: 21 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. South southwest wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 17. West northwest wind around 10 mph, with gusts as high as 16 mph.

    Low: 17 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of flurries before 10pm. Mostly cloudy, with a low around 5. Wind chill values between -1 and -11. Blustery, with a southwest wind 9 to 14 mph becoming west northwest 18 to 23 mph after midnight. Winds could gust as high as 37 mph.
M.L.King Day
Mostly sunny, with a high near 14. Wind chill values between -6 and -16. Blustery, with a west northwest wind 13 to 23 mph, with gusts as high as 34 mph.
Monday Night
Increasing clouds, with a low around 7. Wind chill values between -5 and zero. West southwest wind 6 to 10 mph, with gusts as high as 15 mph.
Tuesday
Mostly sunny, with a high near 28. Wind chill values between -3 and 7. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.
Tuesday Night
Mostly cloudy, with a low around 21. South wind 7 to 12 mph increasing to 13 to 18 mph after midnight. Winds could gust as high as 28 mph.
Wednesday
Mostly sunny, with a high near 39. South southwest wind 10 to 18 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 17. West northwest wind around 10 mph, with gusts as high as 16 mph.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 15.
Friday
Mostly cloudy, with a high near 30.
Friday Night
A chance of snow. Mostly cloudy, with a low around 10.
Saturday
A chance of snow. Mostly cloudy, with a high near 19.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 1.
Sunday
Partly sunny, with a high near 14.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Arthur IL
 39.71°N 88.46°W (Elev. 663 ft)
8:32 pm CST Jan 18, 2026
9pm CST Jan 18, 2026-6pm CST Jan 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database