Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Overcast

73°F

23°C

Humidity 99%
Wind Speed SE 7 mph
Barometer 29.98 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 26 Jul 4:55 am CDT
Extended Forecast for

Hennepin IL

Flood Watch July 26, 05:14am until July 26, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 26, 05:14am until July 26, 07:00pm

    NOW until 7:00pm Sat

    Flood Watch

  • Overnight

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm.  Cloudy, with a high near 81. South wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    Showers
    Likely then
    T-storms
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. South wind around 5 mph.  Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 7am.  Partly sunny, with a high near 89. Heat index values as high as 102. Calm wind becoming southwest around 5 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 60%.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. Cloudy, with a high near 81. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 40%.
Sunday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 89. Heat index values as high as 102. Calm wind becoming southwest around 5 mph. Chance of precipitation is 30%.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny, with a high near 92.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Hennepin IL
 41.24°N 89.35°W (Elev. 440 ft)
4:32 am CDT Jul 26, 2025
5am CDT Jul 26, 2025-6pm CDT Aug 1, 2025
 
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Additional Resources

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