National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Illinois Valley Regional Airport (KVYS)

Lat: 41.35°NLon: 89.15°WElev: 650ft.

Fair

24°C

75°F

Humidity 69%
Wind Speed S 28 G 39 km/h
Barometer 29.83 in
Dewpoint 18°C (64°F)
Visibility 16 km
Last update 18 May 1:00 pm CDT
Extended Forecast for

Hennepin IL

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms before 3pm. Cloudy, with a high near 27. Southwest wind around 25 km/h, with gusts as high as 45 km/h.

    High: 27 °C

    Slight Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 20. South wind 20 to 25 km/h, with gusts as high as 45 km/h. Chance of precipitation is 60%.

    Low: 20 °C

    Mostly Cloudy
    then Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 26. South wind 20 to 25 km/h becoming northwest in the afternoon. Winds could gust as high as 45 km/h.

    High: 26 °C

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 10. Northwest wind around 15 km/h, with gusts as high as 30 km/h.

    Low: 10 °C

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 19.

    High: 19 °C

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 7.

    Low: 7 °C

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21.

    High: 21 °C

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 9.

    Low: 9 °C

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 22.

    High: 22 °C

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 3pm. Cloudy, with a high near 27. Southwest wind around 25 km/h, with gusts as high as 45 km/h.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 20. South wind 20 to 25 km/h, with gusts as high as 45 km/h. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly before 2pm. Mostly cloudy, with a high near 26. South wind 20 to 25 km/h becoming northwest in the afternoon. Winds could gust as high as 45 km/h.
Tuesday Night
Mostly cloudy, with a low around 10. Northwest wind around 15 km/h, with gusts as high as 30 km/h.
Wednesday
Mostly sunny, with a high near 19.
Wednesday Night
Partly cloudy, with a low around 7.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Mostly cloudy, with a low around 9.
Friday
A 30 percent chance of showers before 1pm. Mostly cloudy, with a high near 22.
Friday Night
Mostly cloudy, with a low around 12.
Saturday
Partly sunny, with a high near 26.
Saturday Night
Partly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hennepin IL
 41.26°N 89.32°W (Elev. 528 m)
Last Update:
11:26 am CDT May 18, 2026
Forecast Valid:
1pm CDT May 18, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation