closegps_fixed
Elev 515 ft, 41.25 °N, 89.34 °W

Hennepin, IL Severe Weather Alertstar_ratehome

icon46 Â°F Hennepin Station|Report|Change
Current Station
Personal Weather Station
Location: Hennepin, IL
Elevation: 515ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 2:12 AM Apr. 6, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL FRIDAY EVENING...

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Illinois River from Starved Rock Lock and Dam downstream
to confluence with Big Bureau Creek, including the La Salle gauge.

* WHEN...Until Friday evening.

* IMPACTS...At 22.0 feet, Lower parking lot at Starved Rock State
Park is inundated east of La Salle. High water levels begin to
impact shipping interests along the river.

* ADDITIONAL DETAILS...
- At 8:45 PM CDT Sunday the stage was 23.5 feet.
- Forecast...The river is expected to fall below flood stage
early Friday afternoon and continue falling.
- Flood stage is 20.0 feet.
- http://www.weather.gov/safety/flood

&&



River Flood Warning
Issued: 1:44 AM Apr. 6, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT FROM TUESDAY AFTERNOON TO FRIDAY
MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Illinois River at Henry.

* WHEN...From Tuesday afternoon to Friday morning.

* IMPACTS...At 23.0 feet, Water begins to affect the marina in Henry
along with minor flooding of land adjacent to the river.

* ADDITIONAL DETAILS...
- At 7:45 PM CDT Sunday the stage was 21.0 feet.
- Forecast...The river is expected to rise above flood stage
early Tuesday afternoon to a crest of 23.2 feet early
Wednesday morning. It will then fall below flood stage early
Friday morning.
- Flood stage is 23.0 feet.
- http://www.weather.gov/safety/flood

&&

Fld   Observed           Forecasts (7 pm CDT)
Location      Stg   Stg   Day/Time     Mon   Tue   Wed

Illinois River
Henry         23.0  21.0  Sun 7 pm CDT 22.3  23.1  23.2


&&



Local Radar
Local Radar ImageLocal Severe Image