Hennepin, Illinois Weather
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Click for Hazardous Weather Outlook for Hennepin, Illinois
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Weather Forecast for Hennepin, Illinois : Putnam County
Issued: 4:02 am CDT Jun 4, 2025 Latitude: 41.2542033 Longitude: -89.3423112 View on Google Maps

MouseOver for Detail Forecast
Overnight Wednesday Thursday Friday Saturday Sunday Monday Tuesday
100% chance of thunderstorms on Overnight 80% chance of thunderstorms on Wednesday Mostly Sunny on Thursday 30% chance of on Friday Mostly Sunny on Saturday 40% chance of rain on Sunday Sunny on Monday Sunny on Tuesday
Low: 67°F High: 67°F High: 78°F High: 78°F High: 77°F High: 80°F High: 76°F High: 76°F
Low: 54°F Low: 57°F Low: 58°F Low: 57°F Low: 58°F Low: 53°F  
Thunderstorms Thunderstorms Mostly Sunny Partly Sunny Mostly Sunny Rain Sunny Sunny
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Current Conditions at
PERU - (KVYS)
68°
Cloudy
Light Rain
as of 4:15 AM CDST
Rel. Humidity: 93%
Dew Point: 66°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: LIFR
Wind Data
6 MPH
200° South
Cloud Level(s): Solid Overcast at 400ft
Current Conditions at
LACON/MARSHALL COUNTY - (KC75)
66°
Cloudy
Light Rain
as of 4:15 AM CDST
Rel. Humidity: 93%
Dew Point: 64°F
Visibility: 10 Miles
Pressure: 29.87 in.
Flight Rule: IFR
Wind Data
5 MPH
190° South
Cloud Level(s): Broken at 800ft, Broken at 6500ft, Solid Overcast at 10000ft
Current Conditions at
PONTIAC MUNICIPAL AIRPT - (KPNT)
66°
Cloudy
Heavy Rain
as of 4:15 AM CDST
Rel. Humidity: 100%
Dew Point: 66°F
Visibility: 5 Miles
Pressure: 29.88 in.
Flight Rule: MVFR
Wind Data
7 MPH
250° West
Cloud Level(s): Scattered at 3500ft, Broken at 4700ft, Solid Overcast at 8000ft
100% chance of thunderstorms Overnight Overnight... Showers and possibly a thunderstorm. Steady temperature around 67. Southwest wind around 10 mph. Chance of precipitation is 100%.
80% chance of thunderstorms Wednesday Wednesday... Showers and thunderstorms, mainly before 3pm. Patchy fog between 7am and 9am. High near 67. Northwest wind 5 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 80%.
Morning Fog on Wednesday Night Wednesday Night... Patchy smoke after 1am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 54. Northeast wind 5 to 10 mph.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.
Mostly Cloudy on Thursday Night Thursday Night... Mostly cloudy, with a low around 57.
30% chance of Friday Friday... A 30 percent chance of showers after 1pm. Partly sunny, with a high near 78.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 58.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 77.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 57.
40% chance of rain Sunday Sunday... A 40 percent chance of showers after 1pm. Mostly sunny, with a high near 80.
30% chance of thunderstorms Sunday Night Sunday Night... A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58.
Sunny on Monday Monday... Sunny, with a high near 76.
Mostly Clear on Monday Night Monday Night... Mostly clear, with a low around 53.
Sunny on Tuesday Tuesday... Sunny, with a high near 76.
Current Radar Image


Sun Almanac for Hennepin, Illinois
Sunrise: 05:25 AM
Sunset: 8:26 PM
Civil Sunrise:04:52 AM
Civil Sunset: 9:00 PM
Nautical Sunrise: 04:10 AM
Nautical Sunset: 9:42 PM
Astro Sunrise: 03:20 AM
Astro Sunset: 10:32 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.