Wind gust 72 mph
1 N Macksville Stafford County
“Report was from a AWN weather station. (DDC)”
— NOAA / SPC storm report
/ Storm field report · Stafford
Hail in St John · Jun 20, 2026
The estimated-size surface reached 0.5" aloft; NEXRAD logged no point detections over St John that day. Open it on the live map to see the swath over the streets.
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Peak hail signal 0.5" ≈ pea to penny · radar-estimated size aloft
Homes in the hail footprint 20
Ground reports 1 1 wind
Radar surfaces 1 Estimated size only
Convective day · Jun 20, 2026 · noon–noon UTC
Severity
The 7th most severe storm St John has seen in the last 12 months
Composite score · 1.7 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
1.7 /10
- Peak hail signal
- 13 /100
- Homes exposed
- 26 /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 St John saw the hail — from two instruments
Jun 20, 2026 · St John, KS
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.
Radar-estimated hail size Surface resolved
Estimated size field 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
0.5"
Only the radar-estimated size surface resolved for Jun 20, 2026 — this storm produced no NEXRAD point detections over St John, so there is one map to show, not two.
The storm in context
Where Jun 20, 2026 sits in St John's hail record.
This was St John's 7th recorded hail day, arriving 19 days after the Jun 1, 2026 storm. By severity it ranks 7th of the 11 storms we have logged here. Radar put the day's largest stone over St John at 0.5" — radar-estimated size aloft.
The Jun 20, 2026 convective day was bigger than St John: the same system put hail over 298 other tracked cities, 121 of them in Kansas. Nearest: Macksville (5 miles west, up to 1.25"); Belpre (13 miles southwest, up to 1.25"); Byers (14 miles south, up to 0.75").
These maps are stills. In the app this date is one of 11 St John 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
1 report 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
1 reportStorm 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 Macksville — beyond St John itself.
Below the severe threshold
What 0.5" hail means for St John roofs.
Radar signals under three-quarters of an inch stay below the National Weather Service severe threshold and generally indicate lower roof risk. Older or already-worn materials can still show effects, but radar alone cannot determine whether a specific roof was damaged.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
20 homes × $12,000 avg. claim
Potential roof exposure
$240K
Potential roof exposure — 20 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
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 $4 on top of the $150 plan.
St John hail history
Other storms in St John.
11 recorded storm days in St John, KS
Estimated-size surface Storm date St John / KS
Aug 25, 2026
0.5" Estimated 0.5"
1 ground report Open report →
Estimated-size surface Storm date St John / KS
Jul 9, 2026
No ground reports filed Open report →
Estimated-size surface Storm date St John / KS
Jul 4, 2026
1.25" Signatures 1.25" Estimated 0.75"
1 ground report Open report →
Estimated-size surface Storm date St John / KS
Jun 25, 2026
1" Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date St John / KS
Jun 1, 2026
1" Signatures 1" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date St John / KS
May 29, 2026
1.75" Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date St John / KS
May 18, 2026
3" Signatures 3" Estimated 1.75"
1 ground report Open report →
NEXRAD surface Storm date St John / KS
Apr 26, 2026
1" Signatures 1"
No ground reports filed Open report →
Estimated-size surface Storm date St John / KS
Apr 25, 2026
4" Signatures 4" Estimated 2.5"
2 ground reports Open report →
Estimated-size surface Storm date St John / KS
Apr 9, 2026
1" Signatures 1" Estimated 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 Aug 26, 2026.