Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Wednesday

In the Upper Midwest, heavy to excessive rain may bring flash and urban flooding through Wednesday. Scattered severe thunderstorms capable of large hail and damaging wind gusts are possible from the central High Plains into the Upper Midwest Wednesday. Extreme heat is ongoing over the Desert Southwest through Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

66°F

19°C

Humidity 96%
Wind Speed Calm
Barometer 30.05 in (1017.2 mb)
Dewpoint 65°F (18°C)
Visibility 9.00 mi
Last update 8 Jul 4:53 am CDT
Extended Forecast for

6 Miles N Charleston IL

  • Today

    Today: Increasing clouds, with a high near 86. Calm wind.

    High: 86 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 69. Calm wind becoming south around 6 mph after midnight.

    Low: 69 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 70. Light south wind.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Partly sunny, with a high near 85. West wind around 6 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 84. East wind 5 to 7 mph becoming south in the afternoon.  Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before 1am.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 86. Calm wind.
Tonight
Partly cloudy, with a low around 69. Calm wind becoming south around 6 mph after midnight.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 89. Southwest wind 6 to 9 mph.
Thursday Night
Showers and thunderstorms likely before 10pm, then showers likely between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 70. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. West wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. East wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 50%.
Saturday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Charleston IL
 39.57°N 88.18°W (Elev. 686 ft)
3:36 am CDT Jul 8, 2026
5am CDT Jul 8, 2026-6pm CDT Jul 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database