Hail map for Cottage Grove, MN — September 21, 2025
NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Cottage Grove on September 21, 2025.
- Max hail size
- 1.00″
- quarter
- Impact rating
- 3/10
- from stone size
- Size bands over the city
- 1
- distinct radar bands
- Measured on the ground
- 2.00″
- 5.0 mi away · Public
Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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- The whole state around Cottage Grove, with this swath already on it
- Three years of hail swaths, filterable by stone size
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Did hail hit your address?
This page covers Cottage Grove as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.
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Other towns hit on September 21, 2025
What people on the ground measured in Cottage Grove, MN on September 21, 2025
10 reports filed with the National Weather Service — 3 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 2.00″ hen egg size Public1 SSW Woodbury, MN · 5.0 mi away8:17 PM CDTWashington County
Sent via X.
- 1.75″ golf ball size Trained Spotter1 SSE South St. Paul, MN · 5.1 mi away8:07 PM CDTDakota County
- 1.50″ half dollar size Public1 S Woodbury, MN · 5.7 mi away8:21 PM CDTWashington County
Report from mPING: Ping Pong Ball (1.50 in.).
- 1.50″ half dollar size Trained Spotter2 N Newport, MN · 6.3 mi away8:10 PM CDTRamsey County
Had about 2 minutes of 0.5 to 1.5 inch hail.
- 1.25″ half dollar size Public2 SW Woodbury, MN · 5.2 mi away8:14 PM CDTWashington County
mPing report.
- 1.25″ half dollar size Public1 NE Woodbury, MN · 7.3 mi away8:21 PM CDTWashington County
Report from mPING: Half Dollar (1.25 in.).
- 1.00″ quarter size Public1 NE Inver Grove Height, MN · 4.8 mi away8:10 PM CDTDakota County
Picture sent via X.
- 1.00″ quarter size Trained Spotter1 NNE Inver Grove Heigh, MN · 5.1 mi away8:06 PM CDTDakota County
- 1.00″ quarter size Public1 W Woodbury, MN · 6.4 mi away8:21 PM CDTWashington County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size Public1 N Hudson, WI · 14.9 mi away8:37 PM CDTSt. Croix County
Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.
Cottage Grove hail on September 21, 2025
NOAA radar estimated stones up to 1.00 inches — quarter size — within about 5 miles of Cottage Grove that day, across 1 distinct size band. Sizes vary street to street inside a single swath.