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.

Mostly Cloudy

70°F

21°C

Humidity 73%
Wind Speed W 6 mph
Barometer 30.02 in (1015.9 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Jun 7:53 am CDT
Extended Forecast for

Mattoon IL

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

  • Today

    Today: Mostly sunny, with a high near 80. West northwest wind 3 to 7 mph.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers and thunderstorms, mainly after 11am. Some of the storms could produce heavy rainfall. High near 77. Southeast wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 77 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Some of the storms could produce heavy rainfall. Low around 62. South southwest wind 9 to 16 mph becoming north northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 62 °F

    Heavy Rain
    then Showers

  • Monday

    Monday: Partly sunny, with a high near 74. North wind around 11 mph, with gusts as high as 20 mph.

    High: 74 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 55. North northeast wind 5 to 8 mph, with gusts as high as 15 mph.

    Low: 55 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 77. North northeast wind 3 to 6 mph.

    High: 77 °F

    Sunny

  • Tuesday Night

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

    Low: 59 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. West northwest wind 3 to 7 mph.
Tonight
Partly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Showers and thunderstorms, mainly after 11am. Some of the storms could produce heavy rainfall. High near 77. Southeast wind 7 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
Showers and thunderstorms likely before 7pm, then showers and possibly a thunderstorm between 7pm and 1am, then a chance of showers after 1am. Some of the storms could produce heavy rainfall. Low around 62. South southwest wind 9 to 16 mph becoming north northwest after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday
Partly sunny, with a high near 74. North wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 55. North northeast wind 5 to 8 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 77. North northeast wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Mostly sunny, with a high near 78.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mattoon IL
 39.49°N 88.36°W (Elev. 722 ft)
Last Update:
8:36 am CDT Jun 20, 2026
Forecast Valid:
8am CDT Jun 20, 2026-6pm CDT Jun 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

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