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.

Mostly Cloudy

44°F

7°C

Humidity 50%
Wind Speed W 8 mph
Barometer 30.14 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 19 Apr 8:30 am CDT
Extended Forecast for

Hennepin IL

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Increasing clouds, with a high near 53. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 53 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Areas of frost before 2am, then widespread frost after 3am. Otherwise, mostly clear, with a low around 31. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 31 °F

    Mostly Clear
    then Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.

    High: 58 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 47. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 53. Northwest wind 5 to 15 mph, with gusts as high as 30 mph.
Tonight
Areas of frost before 2am, then widespread frost after 3am. Otherwise, mostly clear, with a low around 31. Northwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 58. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 47. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 70%.
Friday
Showers likely. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hennepin IL
 41.24°N 89.35°W (Elev. 440 ft)
Last Update:
8:37 am CDT Apr 19, 2026
Forecast Valid:
8am CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation