Hail history for Rio Blanco County, Colorado
Every NOAA hail report filed in Rio Blanco County since 1984, with preliminary National Weather Service reports to November 3, 2026.
Readout · Rio Blanco County
- Last hail
- Sep 19, 2026
- 1.00 in, quarter size · preliminary
- Hail days, last 5 years
- 3
- since Nov 3, 2021 · 3 reports
- Largest ever
- 4.00 in
- grapefruit · Sep 20, 1997
12 reports on 11 days since 1984 · #46 of 54 Colorado counties
Hail map · Rio Blanco County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Rio Blanco County
The latest hail report in Rio Blanco County is from September 19, 2026, 1.00 in (quarter size). Since November 3, 2021 there have been 3 separate hail days; the biggest stones in that time were 1.00 in on September 19, 2026.
Over the 20 years 2006–2025, Rio Blanco County logged 6 reports on 6 hail days, about 0.3 reports a year. That is 10% of the median Colorado county (3.1 a year) and ranks #46 of 54 Colorado counties for all-time reports. Rio Blanco County holds 0% of all 15,580 hail reports in Colorado.
8% of reports with a size were 2 inches (hen egg) or larger, against 6% for the median Colorado county. The largest hail on record here is 4.00 in (grapefruit) on September 20, 1997 near Rangely.
The busiest year was 1997, with 2 reports on 1 day. Hail here peaks in September (33% of reports); 42% fall between April and June.
Reports a year 2006–2025 average
- Rio Blanco County 0.3
- Median Colorado county 3.1
Hail days 2006–2025
- Rio Blanco County 6
- Median Colorado county 41
Share 2 in or larger of sized reports
- Rio Blanco County 8%
- Median Colorado county 6%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 1 | 1 | |||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 1 | 1 | |||||||||||
| 2023 | 1 | 1 | |||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 1 | 1 | |||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 1 | 1 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 19, 2026 | 1 | 1.00 in | View |
| Jun 28, 2024 | 1 | 0.75 in | — |
| May 25, 2023 | 1 | 1.00 in | — |
Largest hail on record
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Sep 20, 1997 | 4.00 ingrapefruit | Rangely | $1.0 million | 12:40 local · NCEI |
| Jul 20, 2017 | 1.75 ingolf ball | 21.98 ESE Rangely Arpt | — | 13:17 local · NCEI |
| Aug 15, 2009 | 1.75 ingolf ball | 0.86 NW Rangely | $10K | 13:40 local · NCEI |
| Jun 3, 2002 | 1.75 ingolf ball | 3 SW Meeker | $25K | 15:35 local · NCEI |
| Sep 20, 1997 | 1.75 ingolf ball | 3 S Meeker | — | 10:00 local · NCEI |
Size of every report
- Under 1 in 2 17%
- 1–2 in 9 75%
- 2 in + 1 8%
Most recent reports
| Date | Size | Location | Damage | Time · source |
|---|---|---|---|---|
| Sep 19, 2026 | 1.00 inquarter | 3 SW Meeker | — | 20:00 UTC · NWS prelim. |
| Jun 28, 2024 | 0.75 inpenny | 8 SSW Meeker | — | 15:30 local · NCEI |
| May 25, 2023 | 1.00 inquarter | 0.87 NW Rangely | — | 15:05 local · NCEI |
| May 2, 2020 | 1.00 inquarter | 16.56 WNW Rio Blanco | — | 12:45 local · NCEI |
| Jul 20, 2017 | 1.75 ingolf ball | 21.98 ESE Rangely Arpt | — | 13:17 local · NCEI |
| Aug 15, 2009 | 1.75 ingolf ball | 0.86 NW Rangely | $10K | 13:40 local · NCEI |
| Sep 16, 2007 | 1.00 inquarter | Meeker | — | 16:40 local · NCEI |
| Jun 3, 2002 | 1.75 ingolf ball | 3 SW Meeker | $25K | 15:35 local · NCEI |
| Jun 19, 2000 | 0.75 inpenny | 3 W Meeker | — | 15:10 local · NCEI |
| Sep 20, 1997 | 4.00 ingrapefruit | Rangely | $1.0 million | 12:40 local · NCEI |
| Sep 20, 1997 | 1.75 ingolf ball | 3 S Meeker | — | 10:00 local · NCEI |
| Jul 9, 1984 | 1.75 ingolf ball | — | — | 21:00 local · NCEI |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Meeker | 4 | 4 | Sep 19, 2026 |
| Rangely | 2 | 2 | May 25, 2023 |
Questions about hail in Rio Blanco County
How often does it hail in Rio Blanco County, Colorado?
12 hail reports have been logged in Rio Blanco County since 1984. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #46 of 54 Colorado counties by number of reports.
When is hail season in Rio Blanco County?
Most reports come in September, June, May. September alone accounts for 33% of all reports.
What is the largest hail recorded in Rio Blanco County?
4.00 in (grapefruit size) on September 20, 1997 near Rangely. 8% of reports here were 2 inches or larger.
When did it last hail in Rio Blanco County?
The most recent report in this data is from September 19, 2026 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Rio Blanco County had in the last five years?
3 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was September 19, 2026.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.