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.

Overcast and Breezy

21°F

-6°C

Humidity 65%
Wind Speed W 21 G 33 mph
Barometer 30.05 in (1018.6 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 16 Mar 10:53 pm CDT
Extended Forecast for

Arthur IL

  • Tonight

    Tonight: Isolated snow showers before 1am. Mostly cloudy, with a low around 13. Wind chill values between -1 and 4. West northwest wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 13 °F

    Isolated Snow
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 28. Wind chill values between -1 and 9. West northwest wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 28 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 23. South southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 23 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 53. South wind 13 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.

    High: 53 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36. South southwest wind around 7 mph.

    Low: 36 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64. South wind 6 to 9 mph.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. West southwest wind around 7 mph becoming east in the evening.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Isolated snow showers before 1am. Mostly cloudy, with a low around 13. Wind chill values between -1 and 4. West northwest wind 15 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 28. Wind chill values between -1 and 9. West northwest wind 8 to 14 mph, with gusts as high as 21 mph.
Tuesday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 23. South southeast wind 6 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 53. South wind 13 to 17 mph becoming west southwest in the afternoon. Winds could gust as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 36. South southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 64. South wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 41. West southwest wind around 7 mph becoming east in the evening.
Friday
Mostly sunny, with a high near 71.
Friday Night
Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Arthur IL
 39.71°N 88.46°W (Elev. 663 ft)
Last Update:
10:36 pm CDT Mar 16, 2026
Forecast Valid:
11pm CDT Mar 16, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation