Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

Logan County Airport (KAAA)

Lat: 40.16°NLon: 89.34°WElev: 591ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Chestnut IL

  • Today

    Today: Mostly sunny, with a high near 85. North northeast wind around 7 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm  in the evening.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Calm wind becoming south around 6 mph after midnight.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 88. South southwest wind 6 to 9 mph.  Chance of precipitation is 30%.

    High: 88 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 70. South southwest wind 5 to 7 mph.  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 50 percent chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 85. West southwest wind 6 to 9 mph.

    High: 85 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Partly sunny, with a high near 84. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 85. North northeast wind around 7 mph.
Tonight
Mostly clear, with a low around 65. North northeast wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 68. Calm wind becoming south around 6 mph after midnight.
Thursday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 88. South southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. South southwest wind 5 to 7 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. West southwest wind 6 to 9 mph.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Chestnut IL
 40.05°N 89.19°W (Elev. 623 ft)
10:36 am CDT Jul 7, 2026
11am CDT Jul 7, 2026-6pm CDT Jul 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database