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Elev 548 ft, 38.84 °N, 90.85 °W

Wentzville, MO Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Wentzville, MO
Elevation: 548ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 2:41 AM May. 2, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL TUESDAY EVENING...

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

* WHERE...Mississippi River at Grafton.

* WHEN...Until Tuesday evening.

* IMPACTS...At 22.5 feet, East end of Main Street in Portage des
Sioux begins flooding near this height.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Friday the stage was 22.6 feet and falling.
- Recent Activity...The river rose above flood stage on April 19.
It crested near 22.9 feet on May 1.
- Forecast...The river is expected to fall below flood stage Monday
afternoon and continue falling over the following days.
- Flood stage is 20.0 feet.



&&


All Times CDT    Fld   Observed  Forecasts (7:00 am)
Location         Stg     Stage   Sun   Mon   Tue   Wed   Thu

Mississippi River
Grafton         20.0    22.6    21.4  20.5  19.3  18.2  17.6



&&



River Flood Warning
Issued: 2:41 AM May. 2, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE SATURDAY NIGHT...

* WHAT...Minor flooding is occurring.

* WHERE...Mississippi River at Alton.

* WHEN...Until late Saturday night.

* IMPACTS...At 20.7 feet, During open river conditions (Mel Price
gates all open), Alta Villa Road off of Highway 94 begins flooding
and is closed.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Friday the stage was 21.0 feet and falling.
- Recent Activity...The river first rose above flood stage on April
29. It crested near 21.5 feet on May 1.
- Forecast...The river is expected to fall below flood stage late
this evening and continue falling over the coming days.
- Flood stage is 21.0 feet.



&&


All Times CDT    Fld   Observed  Forecasts (7:00 am)
Location         Stg     Stage   Sun   Mon   Tue   Wed   Thu

Mississippi River
Alton           21.0    21.0    19.1  17.5  15.8  15.0  14.8



&&



River Flood Warning
Issued: 2:41 AM May. 2, 2026 – National Weather Service
...FLOOD WARNING NOW IN EFFECT UNTIL LATE MONDAY NIGHT...

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

* WHERE...Mississippi River at Mel Price LD.

* WHEN...Until late Monday night.

* IMPACTS...At 24.0 feet, Alta Villa Road off of Highway 94 north of
West Alton is closed within a foot of this height.

* ADDITIONAL DETAILS...
- At 9:00 PM CDT Friday the stage was 23.9 feet and falling.
- Recent Activity...The river rose above flood stage on April 28.
It crested near 24.3 feet on May 1.
- Forecast...The river is expected to fall below flood stage late
Sunday evening and continue falling over the following days.
- Flood stage is 21.0 feet.



&&


All Times CDT    Fld   Observed  Forecasts (7:00 am)
Location         Stg     Stage   Sun   Mon   Tue   Wed   Thu

Mississippi River
Mel Price LD    21.0    23.9    22.0  20.6  18.9  17.5  16.7



&&



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