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

63°F

17°C

Humidity 81%
Wind Speed E 3 mph
Barometer 29.94 in (1013.4 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 21 Jun 1:53 am CDT
Extended Forecast for

6 Miles NNE Greenup IL

Flood Watch June 21, 07:00am until June 22, 01:00am
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: Partly cloudy, with a low around 61. Light east wind.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 79. South southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 79 °F

    Mostly Cloudy
    then T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms before 1am, then a chance of showers. Low around 63. South southwest wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    T-storms then
    Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 74. North wind 10 to 13 mph, with gusts as high as 21 mph.

    High: 74 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 56. North northeast wind 5 to 9 mph, with gusts as high as 16 mph.

    Low: 56 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 78. North northeast wind around 5 mph becoming calm in the morning.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59. Calm wind.

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 61. Light east wind.
Sunday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 79. South southeast wind 5 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms before 1am, then a chance of showers. Low around 63. South southwest wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Mostly cloudy, with a high near 74. North wind 10 to 13 mph, with gusts as high as 21 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 56. North northeast wind 5 to 9 mph, with gusts as high as 16 mph.
Tuesday
Sunny, with a high near 78. North northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 59. Calm wind.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 80.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles NNE Greenup IL
 39.32°N 88.11°W (Elev. 600 ft)
Last Update:
1:26 am CDT Jun 21, 2026
Forecast Valid:
2am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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