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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

72°F

22°C

Humidity 97%
Wind Speed S 8 mph
Barometer 29.90 in (1012.0 mb)
Dewpoint 71°F (22°C)
Visibility 7.00 mi
Last update 15 Oct 4:53 pm CDT
Extended Forecast for

Greenup IL

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 70. South southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a chance of showers. Increasing clouds, with a low around 49. Southwest wind 11 to 18 mph becoming west northwest after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 49 °F

    T-storms
    Likely then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Partly sunny, with a high near 56. Northwest wind around 18 mph, with gusts as high as 30 mph.

    High: 56 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 39. North wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 59. North northeast wind 5 to 9 mph, with gusts as high as 15 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Areas of frost after 3am. Otherwise, clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear then
    Areas Frost

  • Sunday

    Sunday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 66. South wind 3 to 7 mph.

    High: 66 °F

    Frost then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Mostly cloudy, with a steady temperature around 70. South southwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 3am, then a chance of showers. Increasing clouds, with a low around 49. Southwest wind 11 to 18 mph becoming west northwest after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 20 percent chance of showers after 3pm. Partly sunny, with a high near 56. Northwest wind around 18 mph, with gusts as high as 30 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 39. North wind 11 to 17 mph, with gusts as high as 26 mph.
Saturday
Sunny, with a high near 59. North northeast wind 5 to 9 mph, with gusts as high as 15 mph.
Saturday Night
Areas of frost after 3am. Otherwise, clear, with a low around 34. Calm wind.
Sunday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 66. South wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.15°W (Elev. 587 ft)
Last Update:
4:36 pm CDT Oct 15, 2026
Forecast Valid:
5pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation