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

70°F

21°C

Humidity 93%
Wind Speed S 9 mph
Barometer 29.68 in (1004.4 mb)
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 1 Aug 3:53 am CDT
Extended Forecast for

2 Miles ENE Charleston IL

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Heavy Rain

  • Saturday

    Saturday: Showers and thunderstorms before 9am, then a chance of showers between 9am and 1pm, then showers likely and possibly a thunderstorm after 1pm. High near 76. South southeast wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 65. West wind 5 to 8 mph becoming north northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers

  • Sunday

    Sunday: Showers likely before 10am, then a chance of showers after 11am. Mostly cloudy, with a high near 77. North wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 77 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. North wind 7 to 13 mph, with gusts as high as 22 mph.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 79. North northeast wind around 8 mph, with gusts as high as 15 mph.

    High: 79 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63. North northeast wind around 6 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and thunderstorms before 9am, then a chance of showers between 9am and 1pm, then showers likely and possibly a thunderstorm after 1pm. High near 76. South southeast wind 6 to 8 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 65. West wind 5 to 8 mph becoming north northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely before 10am, then a chance of showers after 11am. Mostly cloudy, with a high near 77. North wind 10 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Partly cloudy, with a low around 63. North wind 7 to 13 mph, with gusts as high as 22 mph.
Monday
Mostly sunny, with a high near 79. North northeast wind around 8 mph, with gusts as high as 15 mph.
Monday Night
Mostly clear, with a low around 63. North northeast wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
A chance of showers. Mostly sunny, with a high near 83.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 68.
Friday
A chance of showers. Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Charleston IL
 39.5°N 88.13°W (Elev. 650 ft)
Last Update:
3:36 am CDT Aug 1, 2026
Forecast Valid:
4am CDT Aug 1, 2026-6pm CDT Aug 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation