SwathIQ / Hail map / Wyoming

Wyoming Hail Map & History

Wyoming was hit as recently as 2026-07-23, 8 days ago. NOAA's Storm Prediction Center has logged 496 separate hail days in Wyoming since 2010, across 2,381 individual storm reports. 106 of those days brought hail 2 inches or larger, and the largest stone on record is 4.5 inches on 2024-06-20 near Hawk Springs, Goshen.

Wyoming's southeast (Cheyenne, Laramie) extends Colorado's Hail Alley north along the High Plains. Pick a date below to see the NOAA radar swath and reports, or check a specific address.

496
hail days since 2010
106
days with 2″+ hail
15
hail days this year
4.50″
largest stone on record

Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Wyoming. Radar-indicated, not a guarantee of damage.

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Hail history in Wyoming

Wyoming averages 29 reported hail days a year across 17 years of NOAA archive, about 6 of them carrying hail 2″ or larger -- the size that routinely totals roofs. Major metros watched here: Cheyenne, Casper, Laramie.

When it hails in Wyoming

Wyoming's busiest hail month is June, with 167 of its 496 hail days on record. May through August holds 465 of them, 94% of the record.

MonthHail days since 2010
March1
April8
May75
June167
July145
August78
September20
October2

Top Wyoming counties by hail frequency

CountyHail days since 2010Largest stone
Campbell1324.25″
Laramie1314.25″
Crook1233.25″
Goshen1004.50″
Weston913.00″
Platte774.50″

Wyoming hail history by county

14 Wyoming counties have at least 13 NOAA hail days on record since 2010 -- enough archive signal for a page of their own. Ordered by hail days.

Campbell County · Laramie County · Crook County · Goshen County · Weston County · Platte County · Niobrara County · Sheridan County · Converse County · Johnson County · Natrona County · Albany County · Fremont County · Park County

Recent Wyoming hail days

DateMax hailReports
2026-07-231.25″1
2026-07-071.50″3
2026-07-061.00″1
2026-07-032.00″9
2026-06-271.75″2
2026-06-251.00″2
2026-06-241.50″6
2026-06-222.00″18

How to read the Wyoming map

The colored swath is NOAA's MRMS radar estimate of the largest hail in each ~1 km cell; the dots are individual SPC ground reports. Yellow is around an inch, red is 1.5 to 2″, and purple is 2″ and up -- see how hail size maps to roof damage. Click any spot on the map to see the hail history at that point, or look up a full street address on the hail history by address tool. Today's nationwide activity is on today's hail report.

Nearby states

North Carolina · Georgia · Montana · Mississippi · Virginia · Wisconsin

FAQ

How often does it hail in Wyoming?
NOAA has logged 496 hail days in Wyoming since 2010, including 106 days with hail 2 inches or larger.
When is hail season in Wyoming?
Wyoming's busiest hail month is June, with 167 of its 496 hail days on record. May through August holds 465 of them, 94% of the record.
How big does hail get in Wyoming?
The largest stone in the NOAA record for Wyoming is 4.5 inches on 2024-06-20 near Hawk Springs, Goshen. Every report on this page is 1 inch or larger, the National Weather Service severe criterion.
When was the last hail in Wyoming?
The most recent reported hail day was 2026-07-23. 15 hail days have been reported so far this year.
Is the Wyoming hail map free?
Yes, no login. A free account adds door-knock address lists and CRM exports.
How far back does the data go?
NOAA SPC storm reports since 2010, with high-resolution MRMS radar swaths for recent storms.

Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Wyoming only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.