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Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

50°F

10°C

Humidity 93%
Wind Speed NW 6 mph
Barometer 30.28 in (1025.5 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 16 Oct 7:53 pm CDT
Extended Forecast for

Arthur IL

  • Tonight

    Tonight: A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 37. North wind 10 to 17 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, sunny, with a high near 59. North wind 3 to 8 mph.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. Light and variable wind.

    Low: 33 °F

    Clear then
    Frost

  • Sunday

    Sunday: Widespread frost before 8am. Otherwise, sunny, with a high near 66. South southeast wind 5 to 8 mph.

    High: 66 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 35. Southeast wind 3 to 5 mph.

    Low: 35 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 72. Light southeast wind.

    High: 72 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. Light east wind.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 37. North wind 10 to 17 mph, with gusts as high as 25 mph.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. North wind 3 to 8 mph.
Saturday Night
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. Light and variable wind.
Sunday
Widespread frost before 8am. Otherwise, sunny, with a high near 66. South southeast wind 5 to 8 mph.
Sunday Night
Clear, with a low around 35. Southeast wind 3 to 5 mph.
Monday
Sunny, with a high near 72. Light southeast wind.
Monday Night
Mostly clear, with a low around 38. Light east wind.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Clear, with a low around 43.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Arthur IL
 39.71°N 88.46°W (Elev. 663 ft)
Last Update:
8:01 pm CDT Oct 16, 2026
Forecast Valid:
8pm CDT Oct 16, 2026-6pm CDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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