Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Hazardous Weather Conditions

Current conditions at

Mattoon / Charleston, Coles County Memorial Airport (KMTO)

Lat: 39.48°NLon: 88.28°WElev: 722ft.

Fair

93°F

34°C

Humidity 47%
Wind Speed NW 3 mph
Barometer 30.19 in (1021.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 16 Sep 4:53 pm CDT
Extended Forecast for

Arcola IL

  • Tonight

    Tonight: Partly cloudy, with a low around 71. North wind around 6 mph becoming light and variable.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 93. Heat index values as high as 101. South southwest wind 5 to 7 mph becoming north in the afternoon.

    High: 93 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am.  Partly cloudy, with a low around 68. North northeast wind around 6 mph.  Chance of precipitation is 30%.

    Low: 68 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers before 1pm.  Mostly cloudy, then gradually becoming sunny, with a high near 88. East wind around 6 mph.

    High: 88 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 68. East wind around 8 mph becoming south southeast after midnight.

    Low: 68 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 95. South wind 9 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.

    High: 95 °F

    Hot

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 70. South wind around 6 mph.  Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 71. North wind around 6 mph becoming light and variable.
Thursday
Mostly sunny, with a high near 93. Heat index values as high as 101. South southwest wind 5 to 7 mph becoming north in the afternoon.
Thursday Night
A slight chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 68. North northeast wind around 6 mph. Chance of precipitation is 30%.
Friday
A 40 percent chance of showers before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. East wind around 6 mph.
Friday Night
Partly cloudy, with a low around 68. East wind around 8 mph becoming south southeast after midnight.
Saturday
Mostly sunny and hot, with a high near 95. South wind 9 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 18 mph.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. South wind around 6 mph. Chance of precipitation is 40%.
Sunday
A 40 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Monday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 84.
Monday Night
A chance of showers. Mostly cloudy, with a low around 61.
Tuesday
A chance of showers. Partly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Arcola IL
 39.68°N 88.29°W (Elev. 656 ft)
4:16 pm CDT Sep 16, 2026
5pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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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