Colorado Hail Map & History
Colorado was hit as recently as 2026-09-09, 5 days ago. NOAA's Storm Prediction Center has logged 770 separate hail days in Colorado since 2010, across 6,021 individual storm reports. 211 of those days brought hail 2 inches or larger, and the largest stone on record is 5 inches on 2023-08-08 near Idalia, Yuma.
Colorado's Front Range -- Denver, Aurora, and Colorado Springs -- forms 'Hail Alley,' where summer upslope storms drop damaging hail most years. Pick a date below to see the NOAA radar swath and reports, or check a specific address.
Colored swath = NOAA MRMS radar-estimated hail size; dots = NOAA SPC reports in Colorado. Radar-indicated, not a guarantee of damage.
A free SwathIQ account -- hand-reviewed, invite within 24-48h -- pulls Colorado addresses inside a hail swath above your size threshold into a door-knock list you can export, scoped to your approved markets.
Get free access Check an addressOur US-based call center calls the homeowners in this storm and books roof inspections straight onto your calendar. You work the storm; we fill the schedule. We dial -- you do not have to knock a single door.
See call-center options ->Hail history in Colorado
Colorado averages 45 reported hail days a year across 17 years of NOAA archive, about 12 of them carrying hail 2″ or larger -- the size that routinely totals roofs. Major metros watched here: Denver, Colorado Springs, Aurora, Fort Collins.
When it hails in Colorado
Colorado's busiest hail month is June, with 208 of its 770 hail days on record. May through August holds 694 of them, 90% of the record.
| Month | Hail days since 2010 |
|---|---|
| March | 2 |
| April | 27 |
| May | 155 |
| June | 208 |
| July | 179 |
| August | 152 |
| September | 34 |
| October | 13 |
Top Colorado counties by hail frequency
| County | Hail days since 2010 | Largest stone |
|---|---|---|
| El Paso | 183 | 4.00″ |
| Weld | 148 | 4.25″ |
| Yuma | 124 | 5.00″ |
| Kit Carson | 116 | 5.00″ |
| Logan | 109 | 4.00″ |
| Washington | 102 | 4.50″ |
Colorado hail history by county
31 Colorado 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.
El Paso County · Weld County · Yuma County · Kit Carson County · Logan County · Washington County · Lincoln County · Elbert County · Arapahoe County · Douglas County · Pueblo County · Cheyenne County · Morgan County · Larimer County · Baca County · Adams County · Prowers County · Kiowa County · Jefferson County · Las Animas County · Phillips County · Sedgwick County · Denver County · Otero County · Boulder County · Bent County · Crowley County · Teller County · Fremont County · Custer County · Huerfano County
Recent Colorado hail days
| Date | Max hail | Reports |
|---|---|---|
| 2026-09-09 | 2.00″ | 3 |
| 2026-09-05 | 1.75″ | 1 |
| 2026-08-26 | 1.25″ | 11 |
| 2026-08-22 | 1.75″ | 10 |
| 2026-08-21 | 1.00″ | 1 |
| 2026-08-19 | 3.00″ | 9 |
| 2026-08-16 | 1.50″ | 1 |
| 2026-08-15 | 1.75″ | 3 |
How to read the Colorado 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
Missouri · Minnesota · Iowa · Illinois · North Dakota · Arkansas
FAQ
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Data & method: NOAA/NWS Storm Prediction Center reports + NOAA MRMS MESH radar, Colorado only. Radar-indicated and observation-based -- informational only, not a guarantee of damage or a valid claim.