Colorado was hit as recently as 2026-07-29, 2 days ago. NOAA's Storm Prediction Center has logged 756 separate hail days in Colorado since 2010, across 5,965 individual storm reports. 209 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 ->Colorado averages 44 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.
Colorado's busiest hail month is June, with 207 of its 756 hail days on record. May through August holds 682 of them, 90% of the record.
| Month | Hail days since 2010 |
|---|---|
| March | 2 |
| April | 27 |
| May | 155 |
| June | 207 |
| July | 178 |
| August | 142 |
| September | 32 |
| October | 13 |
| County | Hail days since 2010 | Largest stone |
|---|---|---|
| El Paso | 182 | 4.00″ |
| Weld | 146 | 4.25″ |
| Yuma | 123 | 5.00″ |
| Kit Carson | 115 | 5.00″ |
| Logan | 107 | 4.00″ |
| Washington | 102 | 4.50″ |
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 · Elbert County · Lincoln 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
| Date | Max hail | Reports |
|---|---|---|
| 2026-07-29 | 1.75″ | 1 |
| 2026-07-28 | 1.00″ | 1 |
| 2026-07-23 | 1.75″ | 1 |
| 2026-07-21 | 1.00″ | 2 |
| 2026-07-10 | 1.00″ | 1 |
| 2026-07-03 | 1.25″ | 3 |
| 2026-07-02 | 1.25″ | 3 |
| 2026-06-26 | 1.50″ | 5 |
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.
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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.