National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Overcast

58°F

14°C

Humidity 70%
Wind Speed NE 3 mph
Barometer 30.28 in (1025.1 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 1 Nov 4:53 am CST
Extended Forecast for

Casey ILSimilar City Names

  • Overnight

    Overnight: A 20 percent chance of rain. Cloudy, with a low around 56. East wind around 5 mph.

    Low: 56 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 30 percent chance of rain, mainly between 2pm and 5pm. Cloudy, with a high near 65. South southeast wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 65 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 5am. Patchy fog after midnight. Otherwise, cloudy, with a low around 54. South southeast wind around 10 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Chance Rain
    and Patchy
    Fog

  • Monday

    Monday: A 30 percent chance of rain before 9am. Patchy fog before 9am. Otherwise, cloudy, with a high near 68. South southeast wind 9 to 14 mph, with gusts as high as 23 mph.

    High: 68 °F

    Chance Rain
    and Patchy
    Fog then
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58. South southeast wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of rain after noon. Mostly cloudy, with a high near 75. Breezy, with a south wind 16 to 20 mph, with gusts as high as 32 mph.

    High: 75 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 57. South wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 57 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.

    High: 69 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Chance Rain
    then Partly
    Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Cloudy, with a low around 56. East wind around 5 mph.
Sunday
A 30 percent chance of rain, mainly between 2pm and 5pm. Cloudy, with a high near 65. South southeast wind 5 to 10 mph, with gusts as high as 21 mph.
Sunday Night
A 30 percent chance of rain, mainly after 5am. Patchy fog after midnight. Otherwise, cloudy, with a low around 54. South southeast wind around 10 mph, with gusts as high as 22 mph.
Monday
A 30 percent chance of rain before 9am. Patchy fog before 9am. Otherwise, cloudy, with a high near 68. South southeast wind 9 to 14 mph, with gusts as high as 23 mph.
Monday Night
Mostly cloudy, with a low around 58. South southeast wind 13 to 15 mph, with gusts as high as 28 mph.
Tuesday
A 50 percent chance of rain after noon. Mostly cloudy, with a high near 75. Breezy, with a south wind 16 to 20 mph, with gusts as high as 32 mph.
Tuesday Night
Rain. Low around 57. South wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 67.
Thursday Night
Mostly cloudy, with a low around 47.
Friday
Mostly cloudy, with a high near 65.
Friday Night
Mostly cloudy, with a low around 43.
Saturday
Partly sunny, with a high near 64.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Casey ILSimilar City Names
 39.3°N 88°W (Elev. 643 ft)
Last Update:
5:21 am CST Nov 1, 2026
Forecast Valid:
5am CST Nov 1, 2026-6pm CST Nov 7, 2026
 
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Additional Resources

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Chance of Precipitation