Hail size 1"
2 S Millston Monroe County
“(ARX)”
— NOAA / SPC storm report
Hail in Warrens Apr 13, 2026
Both radar surfaces caught this storm: NEXRAD logged 0 hail signatures up to 0", and the radar-estimated size reached 1" aloft.
Largest hailstone
1"
≈ quarter · radar-estimated size aloft Homes in the hail footprint
1,074
Ground reports
2
2 hailThe 3rd most severe storm Warrens has seen in the last 12 months
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
3.5 /10
- Hail size
- 25 /100
- Homes exposed
- 61 /100
- Ground truth
- 33 /100
Largest hailstone — the top predictor of roof damage.
How many homes sit inside the storm's footprint.
Independent storm reports filed with the NWS.
How Warrens saw the hail — from two instruments
Two instruments, one storm: NEXRAD logs the point signatures it detected overhead, while the estimated-size surface models how large the hail aloft could have grown. Agreement between them is not guaranteed — the gaps are where the model ran ahead of, or behind, the detections.
NEXRAD radar signatures
NEXRAD's hail signatures for this storm: the spots the radar detected from above. A detection overhead is not the same thing as a confirmed stone below.
Max size
0"
Detections
0
Radar-estimated hail size
Radar-estimated maximum hail size across the swath, modeled from radar aloft. It reflects the biggest stone the storm could support, which may differ from what actually fell.
Max size
1"
Where Apr 13, 2026 sits in Warrens's hail record
This was Warrens's 2nd recorded hail day, arriving 13 days after the Mar 31, 2026 storm. By severity it ranks 3rd of the 7 storms we have logged here. Radar put the day's largest stone over Warrens at 1" — radar-estimated size aloft.
The Apr 13, 2026 convective day was bigger than Warrens: the same system put hail over 467 other tracked cities, 108 of them in Wisconsin. Nearest: Tomah (7 miles south, up to 0.5"); Sparta (16 miles southwest, up to 1"); Pittsville (19 miles northeast, up to 1.5").
These maps are stills from Warrens's Apr 13, 2026 storm. In the Overview app the same surfaces are live — radar updating in real time, radar-estimated hail size as it forms, and NWS spotter reports pinned where they're filed — with a radar replay you can scrub back over any past day.
What people on the ground reported
These are storm reports filed with the National Weather Service and released through the NOAA Storm Prediction Center — public-domain observations from spotters, the public, and NWS surveys. We quote each one exactly as filed.
Hail reports
2 reports Hail size 1"
Warrens Monroe County
“(ARX)”
— NOAA / SPC storm report
Storm forensics
Read from the arrival times and locations of the NOAA ground reports,
not a radar-measured storm track.
How the storm moved
Hail was reported over 24 minutes, from to .
Reports came from Millston — beyond Warrens itself.
What 1" hail means for Warrens roofs
Quarter-size and larger hail is where asphalt shingle damage starts in earnest: bruised mats and granule loss that homeowners can't see from the ground. Most people inside the footprint won't know their roof was hit until someone inspects it.
What this storm is worth to a roofer
$13M
Potential roof exposure — 1,074 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Illustrative jobs
5 jobs
Illustrative work
~$75K
Claims from this storm can typically be filed until around April 2028 — the window to reach these homeowners while it's still open. Deadlines vary by policy and state.
Track hail over Warrens on the live map
Radar updates in real time, spotter reports appear on the map as they're filed, and the full Warrens storm history — this Apr 13, 2026 storm included — sits underneath. When you're ready, draw this storm's footprint and pull highly accurate homeowner contact information for every address inside it.
Highly accurate contact information starting at $0.23 per address — every contact included. Digital leads cost $15–$40. Start with a 7-day free trial — no credit card required. See pricing
Warrens hail history
← All hail in Warrens 7 recorded storm days in Warrens, WI
Other storms in Warrens
Jul 1, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed 
Jun 30, 2026
1.75" Signatures 1.75" Estimated 0.75"
No ground reports filed 
Apr 23, 2026
1.75" Signatures 1.75" Estimated 0.5"
No ground reports filed 
Apr 17, 2026
1.75" Signatures 1.75" Estimated 1"
No ground reports filed 
Apr 14, 2026
1" Estimated 1"
No ground reports filed 
Mar 31, 2026
2" Signatures 2" Estimated 1.25"
No ground reports filed
A storm day here is a convective day — it runs from noon to noon
UTC, so late-night hail is grouped with the afternoon storm that
spawned it rather than split across two calendar dates. Ground
reports are public-domain observations from the NOAA Storm
Prediction Center. Radar surfaces are detections and estimates,
not confirmed damage. Last updated Aug 3, 2026.