Wind gust 58 mph
4 N Hawarden Sioux County
“Personal weather station report of 58 mph at 2:37 am CDT. (FSD)”
— NOAA / SPC storm report
/ Storm field report · Sioux
Hail in Hawarden · Jun 30, 2026
NEXRAD logged 7 hail signatures up to 1.25"; the estimated-size surface reached 0.5" aloft. Open it on the live map to see the swath over the streets.
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Peak hail signal 1.25" ≈ half-dollar · the largest NEXRAD radar signature
Homes in the hail footprint 1,287
Ground reports 3 3 wind
Radar surfaces 2 NEXRAD + estimated size
Convective day · Jun 30, 2026 · noon–noon UTC
Severity
The most severe storm Hawarden has seen in the last 12 months
Composite score · 4.2 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
4.2 /10
- Peak hail signal
- 31 /100
- Homes exposed
- 62 /100
- Ground truth
- 50 /100
Largest radar-indicated size — a signal of damage potential, not confirmation.
How many homes sit inside the storm's footprint.
Independent storm reports filed with the NWS.
Evidence / storm surfaces
How Hawarden saw the hail — from two instruments
Jun 30, 2026 · Hawarden, IA
The maps here read the same storm from two angles — point detections from NEXRAD, and modeled hail size aloft. Where the two disagree is informative: it marks where estimated size outran the signatures, or trailed them.
NEXRAD radar signatures Surface resolved
Radar signature field Where NEXRAD flagged hail as the storm passed — point signatures from the radar, which indicate hail overhead rather than confirm what landed.
Max size
1.25"
Detections
7
Radar-estimated hail size Surface resolved
Estimated size field The modeled maximum hail size across the swath, derived from radar aloft — the largest stone the storm could have supported, which is not necessarily what reached the ground.
Max size
0.5"
The storm in context
Where Jun 30, 2026 sits in Hawarden's hail record.
This was Hawarden's 5th recorded hail day, arriving 1 day after the Jun 29, 2026 storm. By severity it ranks 1st of the 9 storms we have logged here. Radar put the day's largest stone over Hawarden at 1.25" — the largest NEXRAD radar signature.
The Jun 30, 2026 convective day was bigger than Hawarden: the same system put hail over 720 other tracked cities, 85 of them in Iowa. Nearest: Hudson (5 miles west, up to 1.75"); Rock Valley (9 miles northeast, up to 1"); Sioux Center (10 miles east, up to 1.75").
These maps are stills. In the app this date is one of 9 Hawarden storm dates on a live map — both surfaces, the reports, and a replay — and the same map is where you draw the swath. This page rebuilds nightly.
Ground reports
What people on the ground reported
3 reports filed with the NWS
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.
Wind reports
3 reports Wind gust 60 mph
5 SSW Hudson Union County
“Personal weather station reported a gust of 60 mph at 2:36 am CDT. (FSD)”
— NOAA / SPC storm report
Wind gust 58 mph
5 SSW Hudson Union County
“Personal weather station reported gust of 58 mph at 2:37 am CDT. (FSD)”
— NOAA / SPC storm report
Storm forensics
How the storm moved
Timing and place names from NOAA ground reports
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Reports came from Hudson — beyond Hawarden itself.
Damage-capable hail signal
What 1.25" hail means for Hawarden roofs.
Quarter-size and larger hail can bruise asphalt mats, remove granules, and dent exposed soft metal. The mapped footprint identifies an inspection priority area — it does not identify which individual roofs, if any, sustained damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
1,287 homes × $12,000 avg. claim
Potential roof exposure
$15M
Potential roof exposure — 1,287 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 6 jobs
- Illustrative work
- ~$90K
Close just 0.5% of the 1,287 homes in this footprint at the average $15,000 roof job. Illustrative math, not a projection — your results depend on your outreach and how the market responds.
Claim window
June 2028
Claims from this storm can typically be filed until around June 2028 — the window to reach these homeowners while it's still open. Deadlines vary by policy and state.
Names and phones for every home in the footprint: at most $270 on top of the $150 plan.
Hawarden hail history
Other storms in Hawarden.
9 recorded storm days in Hawarden, IA
Estimated-size surface Storm date Hawarden / IA
Sep 4, 2026
1" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Hawarden / IA
Sep 1, 2026
1.25" Estimated 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Hawarden / IA
Jul 25, 2026
0.5" Estimated 0.5"
1 ground report Open report →
Estimated-size surface Storm date Hawarden / IA
Jul 2, 2026
1.5" Signatures 1.5" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Hawarden / IA
Jun 29, 2026
1" Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Hawarden / IA
Jun 27, 2026
1.5" Estimated 1.5"
No ground reports filed Open report →
Estimated-size surface Storm date Hawarden / IA
May 18, 2026
1.75" Signatures 1.75" Estimated 0.75"
No ground reports filed Open report →
NEXRAD surface Storm date Hawarden / IA
May 14, 2026
0.5" Signatures 0.5"
No ground reports filed Open report →
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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 tells you where to look. Only an inspection confirms damage at an address. Last updated Sep 5, 2026.