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Grand County, CO hail & severe wind history
20 storm reports on file for Grand County between 2011-06-30 and 2026-06-26 — 1 hail and 19 severe thunderstorm wind. That averages 1.3 reports a year, and Jun is the busiest month.
Search every Grand County report
Filter the full record below — pick a year, narrow to a month, or drag the hail-size slider to see only the storms big enough to dent a roof (1" and up is the usual threshold insurers care about).
20 of 20 reports match.
Reports by month for the current filter — the shape of Grand County’s storm season.
| Date | Type | Size / gust | Nearest location | Report detail |
|---|---|---|---|---|
| 2026-06-26 20:15 | Wind | 52 kt 60 mph | 0 mi N of Kremmling Arpt | No narrative filed · source: AWOS |
| 2026-06-26 20:44 | Wind | 59 kt 68 mph | 4.21 mi NW of Granby | No narrative filed · source: Mesonet |
| 2024-05-25 12:35 | Wind | 56 kt 64 mph | 0 mi N of Kremmling Arpt | Kremmling AWOS weather station. |
| 2023-07-04 17:05 | Wind | 61 kt 70 mph | 10.03 mi NNE of Kremmling | No narrative filed · source: Mesonet |
| 2023-07-04 17:46 | Wind | 61 kt 70 mph | 10.03 mi NNE of Kremmling | No narrative filed · source: Mesonet |
| 2021-07-04 10:45 | Wind | 52 kt 60 mph | 1.74 mi SW of Grand Lake | Strong microburst winds damaged several boats at Grand Lake. Two large pontoon boats were lifted out of the water, one landed upside down near a home. |
| 2021-05-08 14:46 | Wind | 56 kt 64 mph | 10.03 mi NNE of Kremmling | No narrative filed · source: Mesonet |
| 2020-07-13 14:00 | Wind | 56 kt 64 mph | 10.03 mi NNE of Kremmling | No narrative filed · source: Mesonet |
| 2020-06-08 17:43 | Hail | 0.88" nickel | .87 mi SE of Granby Arpt | No narrative filed · source: Public |
| 2020-06-06 13:12 | Wind | 65 kt 75 mph | 5.53 mi S of (C96)Winter Park | No narrative filed · source: AWOS |
| 2020-06-06 13:55 | Wind | 70 kt 81 mph | 2.14 mi NNW of (C96)Winter Park | Trees were blown down and partially blocked US 40. |
| 2020-06-06 14:00 | Wind | 57 kt 66 mph | 1.38 mi S of (C96)Winter Park | No narrative filed · source: Mesonet |
| 2020-06-06 14:00 | Wind | 96 kt 110 mph | 5.98 mi WSW of (C96)Winter Park | Wind sensor at the top of Winter Park Ski Area. |
| 2020-06-06 14:10 | Wind | 70 kt 81 mph | 2.53 mi ESE of Fraser | Intense thunderstorm winds downed trees near Idlewild. |
| 2020-06-06 14:10 | Wind | 80 kt 92 mph | 2.61 mi SE of Fraser | Trees were knocked down. |
| 2020-06-06 14:10 | Wind | 70 kt 81 mph | 2.23 mi ENE of Fraser | Trees were blown down at Devils Thumb Trailhead and blocked vehicles. |
| 2020-06-04 15:48 | Wind | 54 kt 62 mph | 0 mi N of Kremmling Arpt | No narrative filed · source: AWOS |
| 2019-09-08 14:30 | Wind | 50 kt 58 mph | 10.03 mi NNE of Kremmling | No narrative filed · source: Mesonet |
| 2011-06-30 13:30 | Wind | 60 kt 69 mph | 8.86 mi ENE of Granby Arpt | A 64-yr old hiker was injured when a falling tree struck her during a severe thunderstorm. |
| 2011-06-30 15:35 | Wind | 72 kt 83 mph | .87 mi NW of Granby | Intense straightline winds from a severe thunderstorm knocked a 50-foot tree on to a roof. Fences were also toppled and shingles removed. Several loose objects were lifted and tossed. |
Worst storm days in Grand County
| Date | Reports that day | Largest hail | Peak gust |
|---|---|---|---|
| 2020-06-06 | 7 | — | 110 mph |
| 2026-06-26 | 2 | — | 68 mph |
| 2023-07-04 | 2 | — | 70 mph |
| 2011-06-30 | 2 | — | 83 mph |
| 2020-06-08 | 1 | 0.88" (nickel) | — |
| 2024-05-25 | 1 | — | 64 mph |
| 2021-07-04 | 1 | — | 60 mph |
| 2021-05-08 | 1 | — | 64 mph |
| 2020-07-13 | 1 | — | 64 mph |
| 2020-06-04 | 1 | — | 62 mph |
Reports by year
Report counts are driven partly by how many people were around to report a storm, so recent years tend to look busier than the early 2010s. Treat the trend as a reporting trend, not purely a weather trend.
When does hail hit Grand County?
Across 7 years of records, June produced the most reports (13), followed by the months either side of it. Monthly totals:
| Month | Reports | Share |
|---|---|---|
| January | 0 | 0.0% |
| February | 0 | 0.0% |
| March | 0 | 0.0% |
| April | 0 | 0.0% |
| May | 2 | 10.0% |
| June | 13 | 65.0% |
| July | 4 | 20.0% |
| August | 0 | 0.0% |
| September | 1 | 5.0% |
| October | 0 | 0.0% |
| November | 0 | 0.0% |
| December | 0 | 0.0% |
Nearby counties in Colorado
See all 61 Colorado counties →
About these numbers
Every row above is a report filed with the National Weather Service and archived in the NOAA NCEI Storm Events Database (FIPS 8049). Reports are eyewitness, trained-spotter and damage-survey observations, so they cluster near roads and towns and miss storms over empty country. Hail sizes are estimates. Damage figures are preliminary as filed and are never revised in this archive. Use this page for background, not for an insurance claim, a legal filing, or a roof assessment — for those, get the official record from NOAA directly.