| Event | Flash Flood Warning |
| Severity | Severe |
| Urgency | Immediate |
| Certainty | Likely |
| Area | Fillmore, MN; Mower, MN |
| Effective | 9/18/2026, 9:02:00 PM CDT |
| Expires | 9/19/2026, 1:00:00 AM CDT |
Flash Flood Warning issued September 18 at 9:02PM CDT until September 19 at 1:00AM CDT by NWS La Crosse WI
Details
FFWARX
The National Weather Service in La Crosse has issued a
* Flash Flood Warning for…
Northern Fillmore County in southeastern Minnesota…
Northern Mower County in southeastern Minnesota…
* Until 100 AM CDT.
* At 902 PM CDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1.5 and 2.5 inches of
rain have fallen. Additional rainfall amounts of 1 to 3 inches are
possible in the warned area. Flash flooding is ongoing or expected
to begin shortly.
HAZARD…Flash flooding caused by thunderstorms.
SOURCE…Radar indicated.
IMPACT…Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.
* Some locations that will experience flash flooding include…
Chatfield, Rushford, Grand Meadow, Lanesboro, Brownsdale, Wykoff,
Fountain, Lansing, Rushford Village, Washington, Racine, Mayville,
Dexter, Pilot Mound, Arendahl, Peterson, Waltham and Whalan.
This includes Interstate 90 in Minnesota between mile markers 193 and
204.
Instructions
Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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