National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Mostly Cloudy

76°F

24°C

Humidity 58%
Wind Speed SE 3 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 24 Jul 5:53 pm CDT
Extended Forecast for

4 Miles SE Garrett IL

  • Tonight

    Tonight: Isolated showers after 3am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.

    Low: 62 °F

    Mostly Cloudy
    then Isolated
    Showers

  • Saturday

    Saturday: Isolated showers before 1pm. Mostly cloudy, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 20%.

    High: 82 °F

    Isolated
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm in the evening.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. Southwest wind 3 to 7 mph.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 93. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

    High: 93 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 74. Southwest wind 8 to 11 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.

    Low: 74 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers after 3am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 20%.
Saturday
Isolated showers before 1pm. Mostly cloudy, with a high near 82. South wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 90. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 72. Southwest wind 3 to 7 mph.
Monday
Mostly sunny, with a high near 93. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Monday Night
Partly cloudy, with a low around 74. Southwest wind 8 to 11 mph becoming west northwest after midnight. Winds could gust as high as 18 mph.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 68.
Friday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Garrett IL
 39.75°N 88.37°W (Elev. 653 ft)
Last Update:
5:36 pm CDT Jul 24, 2026
Forecast Valid:
6pm CDT Jul 24, 2026-6pm CDT Jul 31, 2026
 
Forecast Discussion
 
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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