“0.20 inches of rain. (BYZ)”
— NOAA / SPC storm report
Hail in Ekalaka · Aug 17, 2026
The estimated-size surface reached 1.25" aloft; NEXRAD logged no point detections over Ekalaka that day. Open it on the live map to see the swath over the streets.
Convective day · Aug 17, 2026 · noon–noon UTC
Severity
The 5th most severe storm Ekalaka has seen in the last 12 months
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
- Peak hail signal
- 31 /100
- Homes exposed
- 58 /100
- Ground truth
- 17 /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 Ekalaka saw the hail — from two instruments
We map this storm two ways: the NEXRAD radar signatures the storm produced overhead, and the radar-estimated size of the hail in the air. The two surfaces don’t have to match — where they diverge is where estimated size aloft ran ahead of, or behind, what the signatures caught.
Estimated size field Maximum hail size as estimated from radar aloft. Treat it as the storm's ceiling — the largest supportable stone — rather than a ground measurement.
Only the radar-estimated size surface resolved for Aug 17, 2026 — this storm produced no NEXRAD point detections over Ekalaka, so there is one map to show, not two.
The storm in context
Where Aug 17, 2026 sits in Ekalaka's hail record.
This was Ekalaka's 12th recorded hail day, arriving 5 days after the Aug 12, 2026 storm. By severity it ranks 5th of the 12 storms we have logged here. Radar put the day's largest stone over Ekalaka at 1.25" — radar-estimated size aloft.
The Aug 17, 2026 convective day was bigger than Ekalaka: the same system put hail over 428 other tracked cities, 13 of them in Montana. Nearest: Camp Crook (20 miles southeast, up to 1"); Buffalo (33 miles east, up to 1.25"); Bowman (50 miles northeast, up to 0.75").
These maps are stills. In the app this date is one of 12 Ekalaka 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
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
1 reportStorm forensics
How the storm moved
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Reports came from Mill Iron — beyond Ekalaka itself.
Damage-capable hail signal
What 1.25" hail means for Ekalaka 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.
Potential roof exposure
$9.5M
Potential roof exposure — 795 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 4 jobs
- Illustrative work
- ~$60K
Close just 0.5% of the 795 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
August 2028
Claims from this storm can typically be filed until around August 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 $167 on top of the $150 plan.
Ekalaka hail history
Other storms in Ekalaka.
Estimated-size surface Aug 12, 2026
0.75"
Estimated-size surface Aug 11, 2026
4"
Estimated-size surface Jul 6, 2026
1"
Estimated-size surface Jul 5, 2026
1.75"
Estimated-size surface Jul 1, 2026
1"
Estimated-size surface Jun 27, 2026
1.75"
Estimated-size surface Jun 7, 2026
3.25"
Estimated-size surface Jun 6, 2026
1"
Estimated-size surface Jun 4, 2026
1.25"
Estimated-size surface Jun 2, 2026
2.5"
Estimated-size surface Jun 1, 2026
1"Take your next area into the field.
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