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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

77°F

25°C

Humidity 66%
Wind Speed S 13 G 23 mph
Barometer 29.91 in (1012.4 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Apr 12:53 pm CDT
Extended Forecast for

2 Miles W Mattoon IL

Flood Watch April 17, 06:00pm until April 18, 04:00am
Click here for hazard details and duration
Flood Watch

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. South wind around 18 mph, with gusts as high as 30 mph.

    High: 82 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 49. South wind 15 to 17 mph becoming west southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 49 °F

    Showers
    Likely then
    Showers

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 9am, then a slight chance of showers between 9am and 10am. Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers
    Likely then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 36. Northwest wind 7 to 14 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Sunday

    Sunday: Patchy frost before 9am. Otherwise, sunny, with a high near 61. West wind 7 to 17 mph, with gusts as high as 28 mph.

    High: 61 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 36. Northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 17 mph.

    Low: 36 °F

    Mostly Clear
    then Patchy
    Frost

  • Monday

    Monday: Patchy frost before 9am. Otherwise, sunny, with a high near 60. East northeast wind around 7 mph becoming south in the afternoon.

    High: 60 °F

    Patchy Frost
    then Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. South wind around 18 mph, with gusts as high as 30 mph.
Tonight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Low around 49. South wind 15 to 17 mph becoming west southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
Showers likely and possibly a thunderstorm before 9am, then a slight chance of showers between 9am and 10am. Mostly cloudy, then gradually becoming sunny, with a high near 55. Northwest wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 36. Northwest wind 7 to 14 mph becoming west southwest after midnight. Winds could gust as high as 22 mph.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 61. West wind 7 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 36. Northwest wind 6 to 10 mph becoming northeast after midnight. Winds could gust as high as 17 mph.
Monday
Patchy frost before 9am. Otherwise, sunny, with a high near 60. East northeast wind around 7 mph becoming south in the afternoon.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 58.
Thursday
Sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Mattoon IL
 39.49°N 88.42°W (Elev. 732 ft)
Last Update:
1:46 pm CDT Apr 17, 2026
Forecast Valid:
1pm CDT Apr 17, 2026-6pm CDT Apr 23, 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