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.

Fair and Breezy

51°F

11°C

Humidity 56%
Wind Speed W 23 G 33 mph
Barometer 30.03 in (1017.0 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 18 Apr 2:53 pm CDT
Extended Forecast for

4 Miles WSW Casey IL

Frost Advisory April 19, 01:00am until April 19, 08:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 55. Northwest wind around 17 mph, with gusts as high as 25 mph.

    High: 55 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 37. Northwest wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 37 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 61. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 4am. Otherwise, mostly clear, with a low around 34. North wind 5 to 14 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind becoming east northeast around 5 mph.

    High: 59 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 46. South southeast wind 5 to 10 mph, with gusts as high as 18 mph.

    Low: 46 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 29 mph.

    High: 75 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 55. Northwest wind around 17 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 37. Northwest wind 6 to 11 mph becoming southwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 61. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night
Patchy frost after 4am. Otherwise, mostly clear, with a low around 34. North wind 5 to 14 mph, with gusts as high as 23 mph.
Monday
Patchy frost before 8am. Otherwise, sunny, with a high near 59. Light and variable wind becoming east northeast around 5 mph.
Monday Night
Mostly clear, with a low around 46. South southeast wind 5 to 10 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 75. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 29 mph.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
A chance of showers. Partly cloudy, with a low around 62.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Casey IL
 39.28°N 88.06°W (Elev. 600 ft)
Last Update:
3:37 pm CDT Apr 18, 2026
Forecast Valid:
3pm CDT Apr 18, 2026-6pm CDT Apr 24, 2026
 
Forecast Discussion
 
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