Alert archive / Minnesota / Flash Flood Warnings in 2026
Flash Flood Warning 11, NWS Twin Cities, MN
NWS Twin Cities, MN issued this flash flood warning at Sep 19, 2026, 1:07 AM CDT for 4 counties in Minnesota. It was in force for 4 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 19, 2026, 1:07 AM CDT (06:07 UTC)
- Expired
- Sep 19, 2026, 5:00 AM CDT
- In force
- 4 hr
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Faribault County, MN, Freeborn County, MN, Steele County, MN, Waseca County, MN
The radar
The Minneapolis radar (KMPX), 110 km from the middle of the area, began a volume at 06:10 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 19, 4:00 AM CDT | FLASH FLOOD | New Richland, MN | Delayed report, time estimated from news stories. Flood waters impacted New Richland Care Center, leading to 36 patients being evacuated. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 6.1 hours before the alert went out and 111 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 1 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 470 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 122 m²/s²
- 0-3 km storm-relative helicity
- 447 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
241
WGUS53 KMPX 190607
FFWMPX
MNC043-047-147-161-191000-
/O.NEW.KMPX.FF.W.0011.260919T0607Z-260919T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Twin Cities/Chanhassen MN
107 AM CDT Sat Sep 19 2026
The National Weather Service in the Twin Cities has issued a
* Flash Flood Warning for...
Northeastern Faribault County in south central Minnesota...
Northern Freeborn County in south central Minnesota...
Southern Steele County in south central Minnesota...
Southern Waseca County in south central Minnesota...
* Until 500 AM CDT.
* At 107 AM CDT, local law enforcement reported thunderstorms
producing heavy rain in southern Waseca county along the MN Highway
30 corridor. Between 5 and 9 inches of rain have fallen. Additional
rainfall amounts up to 1 inch are possible in the warned area.
Flash flooding is already occurring.
HAZARD...Flash flooding caused by thunderstorms.
SOURCE...Law enforcement reported.
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...
Blooming Prairie, New Richland, Ellendale, Geneva, Hartland, Otisco
and Matawan.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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.
&&
LAT...LON 4391 9377 4394 9357 4394 9346 4389 9305
4378 9305 4377 9312 4380 9340 4380 9377
FLASH FLOOD...OBSERVED
$$
MPG1 follow-up statement
923
WGUS73 KMPX 190955
FFSMPX
Flash Flood Statement
National Weather Service Twin Cities/Chanhassen MN
455 AM CDT Sat Sep 19 2026
MNC043-047-147-161-191005-
/O.EXP.KMPX.FF.W.0011.000000T0000Z-260919T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Faribault MN-Freeborn MN-Steele MN-Waseca MN-
455 AM CDT Sat Sep 19 2026
...FLASH FLOOD WARNING WILL EXPIRE AT 5 AM CDT EARLY THIS MORNING FOR
NORTHEASTERN FARIBAULT, NORTHERN FREEBORN, SOUTHERN STEELE AND
SOUTHERN WASECA COUNTIES...
Flash Flooding is no longer expected to pose a threat. Please
continue to heed remaining road closures.
&&
LAT...LON 4391 9377 4394 9357 4394 9346 4389 9305
4378 9305 4377 9312 4380 9340 4380 9377
$$
MPGThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 10:59 PM CDT | Flash Flood Warning | MPX | Blue Earth, Faribault, Freeborn, Steele, Waseca | 2 hr |
| Sep 19, 10:17 AM CDT | Areal Flood Warning | MPX | Waseca | 5 hr |
Nearby
Flash Flood Warnings in Minnesota, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.