Hennepin, IL Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Hennepin, IL in one place.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and noon, then a slight chance of showers and thunderstorms between noon and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Partly sunny. High near 86, with temperatures falling to around 81 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Local Weather Overview
This forecast page for Hennepin, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 14, 2026 2:47 PM CDT.
The active forecast window currently covers Sep 15 to Sep 20, 2026 for Hennepin, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 20, 2026
- Latest sync
- Sep 14, 2026 2:47 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Hennepin
Tuesday looks like the warmest upcoming period in Hennepin at 86 degrees F.
Sunday Night is the coolest period ahead with temperatures near 60 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 10 mph SW.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 2:47 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDVN
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and thunderstorms. Mostly cloudy, with a low around 63. North wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 80. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 1pm. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
A chance of rain showers after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 83. Chance of precipitation is 40%.
A chance of rain showers. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Rain showers likely. Mostly sunny, with a high near 81. Chance of precipitation is 60%.
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 40%.
A chance of rain showers. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Sep 15
|
Chance Showers And Thunderstorms
|
86°F |
5 to 10 mph
SW
|
|
Tuesday Night
Sep 15
|
Chance Showers And Thunderstorms
|
63°F |
5 mph
N
|
|
Wednesday
Sep 16
|
Showers And Thunderstorms
|
80°F |
5 mph
E
|
|
Wednesday Night
Sep 16
|
Chance Showers And Thunderstorms
|
68°F |
0 to 5 mph
SE
|
|
Thursday
Sep 17
|
Showers And Thunderstorms Likely
|
83°F |
0 to 5 mph
W
|
|
Thursday Night
Sep 17
|
Mostly Cloudy then Chance Rain Showers
|
65°F |
5 mph
NE
|
|
Friday
Sep 18
|
Chance Rain Showers
|
83°F |
5 mph
E
|
|
Friday Night
Sep 18
|
Chance Rain Showers
|
66°F |
5 mph
SE
|
|
Saturday
Sep 19
|
Rain Showers Likely
|
81°F |
5 to 10 mph
SW
|
|
Saturday Night
Sep 19
|
Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
N
|
|
Sunday
Sep 20
|
Chance Showers And Thunderstorms
|
78°F |
5 to 10 mph
NE
|
|
Sunday Night
Sep 20
|
Chance Rain Showers
|
60°F |
5 to 10 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Hennepin.