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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.

Fair

75°F

24°C

Humidity 40%
Wind Speed W 10 G 17 mph
Barometer 30.08 in (1018.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 12 May 12:53 pm CDT
Extended Forecast for

Greenup IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 3am. Cloudy, then gradual clearing toward daybreak, with a low around 56. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Increasing clouds, with a high near 69. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.

    High: 69 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 44. North wind 8 to 13 mph becoming light north northeast in the evening. Winds could gust as high as 21 mph.

    Low: 44 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70. Light north wind.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 52. Calm wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 18 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 77. South wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 50%.

    High: 85 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Southwest wind 11 to 15 mph, with gusts as high as 26 mph.
Tonight
Showers and thunderstorms likely before 1am, then a chance of showers between 1am and 3am. Cloudy, then gradual clearing toward daybreak, with a low around 56. Southwest wind 9 to 13 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Increasing clouds, with a high near 69. Northwest wind 10 to 17 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 44. North wind 8 to 13 mph becoming light north northeast in the evening. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 70. Light north wind.
Thursday Night
Increasing clouds, with a low around 52. Calm wind becoming south southeast 5 to 9 mph in the evening. Winds could gust as high as 18 mph.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 77. South wind 13 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 50%.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 50%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.24°N 88.18°W (Elev. 538 ft)
Last Update:
12:36 pm CDT May 12, 2026
Forecast Valid:
1pm CDT May 12, 2026-6pm CDT May 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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