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.

Overcast

54°F

12°C

Humidity 83%
Wind Speed S 15 G 30 mph
Barometer 29.59 in (1002.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 18 Feb 3:53 am CST
Extended Forecast for

Greenup IL

  • Overnight

    Overnight: A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 52. South southwest wind around 17 mph, with gusts as high as 32 mph.

    Low: 52 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of sprinkles before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 68. West wind 9 to 17 mph, with gusts as high as 32 mph.

    High: 68 °F

    Chance
    Sprinkles

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 48. South wind 6 to 8 mph.

    Low: 48 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers, then showers and possibly a thunderstorm after noon. High near 65. South wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 65 °F

    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before midnight. Partly cloudy, with a low around 37. South wind 10 to 18 mph becoming west after midnight. Winds could gust as high as 29 mph.

    Low: 37 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 46. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 46 °F

    Sunny and
    Breezy then
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. West northwest wind 5 to 7 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of snow after noon. Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny
    then Chance
    Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow before midnight. Partly cloudy, with a low around 24.

    Low: 24 °F

    Chance Snow
    then Partly
    Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 5am. Mostly cloudy, with a low around 52. South southwest wind around 17 mph, with gusts as high as 32 mph.
Wednesday
A chance of sprinkles before 7am. Mostly cloudy through mid morning, then gradual clearing, with a high near 68. West wind 9 to 17 mph, with gusts as high as 32 mph.
Wednesday Night
Increasing clouds, with a low around 48. South wind 6 to 8 mph.
Thursday
A chance of showers, then showers and possibly a thunderstorm after noon. High near 65. South wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 30 percent chance of showers before midnight. Partly cloudy, with a low around 37. South wind 10 to 18 mph becoming west after midnight. Winds could gust as high as 29 mph.
Friday
Sunny, with a high near 46. Breezy, with a west wind 15 to 20 mph decreasing to 9 to 14 mph in the afternoon. Winds could gust as high as 31 mph.
Friday Night
Mostly clear, with a low around 28. West northwest wind 5 to 7 mph.
Saturday
A 30 percent chance of snow after noon. Partly sunny, with a high near 41.
Saturday Night
A 30 percent chance of snow before midnight. Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 18.
Monday
Mostly sunny, with a high near 34.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenup IL
 39.26°N 88.17°W (Elev. 541 ft)
Last Update:
3:36 am CST Feb 18, 2026
Forecast Valid:
4am CST Feb 18, 2026-6pm CST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation