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Elev 522 ft, 38.79 °N, 90.6 °W

St. Peters, MO Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: St. Peters, MO
Elevation: 522ft
Nearby Weather Stations

Active Weather Alerts

River Flood Warning
Issued: 1:19 AM May. 3, 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 21.5 feet, In Portage des Sioux, MO, Le Sieur Street
leading to the Marina and to Our Lady of the River Statue is
flooded.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Saturday the stage was 21.7 feet and falling.
- Recent Activity...The river rose above flood stage on April 19,
cresting 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   Mon   Tue   Wed   Thu   Fri

Mississippi River
Grafton         20.0    21.7    20.5  19.3  18.3  17.8  17.5



&&



River Flood Warning
Issued: 1:19 AM May. 3, 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 23.0 feet, Dresser Island Drive floods within a foot
of this level.

* ADDITIONAL DETAILS...
- At 8:00 PM CDT Saturday the stage was 22.3 feet and falling.
- Recent Activity...The river rose above flood stage on April 28,
cresting near 24.3 feet on MAy 1.
- Forecast...The river is expected to fall below flood stage late
tomorrow 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   Mon   Tue   Wed   Thu   Fri

Mississippi River
Mel Price LD    21.0    22.3    20.5  19.0  17.7  17.0  16.5



&&



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