Hail History

Hail history for Alamosa County, Colorado

Every NOAA hail report filed in Alamosa County since 1961, with preliminary National Weather Service reports to November 3, 2026.

Readout · Alamosa County

Last hail
Sep 22, 2013
0.88 in, nickel size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.50 in
tennis ball · Aug 16, 2008

14 reports on 11 days since 1961 · #44 of 54 Colorado counties

Hail map · Alamosa County

10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
10 most recent reports with a location. Dot size and colour follow hail size. Open street map

For homeowners

Roof damage after hail? Get a free inspection

Hail bruises shingles and cracks seals in ways you can't see from the ground, and most insurers set a claim deadline after the storm. The latest hail report in Alamosa County is from September 22, 2013. A local roofer can check and document it at no cost.

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What the record says about Alamosa County

The latest hail report in Alamosa County is from September 22, 2013, 0.88 in (nickel size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Alamosa County logged 4 reports on 3 hail days, about 0.2 reports a year. That is 6% of the median Colorado county (3.1 a year) and ranks #44 of 54 Colorado counties for all-time reports. Alamosa County holds 0% of all 15,580 hail reports in Colorado.

7% 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 2.50 in (tennis ball) on August 16, 2008 near 3.83 E Mosca.

The busiest year was 1995, with 3 reports on 1 day. Hail here peaks in June (29% of reports); 29% fall between April and June.

Reports a year 2006–2025 average

  • Alamosa County 0.2
  • Median Colorado county 3.1

Hail days 2006–2025

  • Alamosa County 3
  • Median Colorado county 41

Share 2 in or larger of sized reports

  • Alamosa County 7%
  • Median Colorado county 6%

Hail over time

0123 1961: 1 reports, largest 0.75 in 1969: 1 reports, largest 1.00 in 1970 1980 1986: 1 reports, largest 1.00 in 1990 1993: 1 reports, largest 0.50 in 1995: 3 reports, largest 1.75 in 1998: 2 reports, largest 0.88 in 2000: 1 reports, largest 0.75 in 2000 2008: 2 reports, largest 2.50 in 2010: 1 reports, largest 0.75 in 2010 2013: 1 reports, largest 0.88 in 2020
Reports per year, 1961–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
01234 Jan Feb Mar Apr May June: 4 reports (29%) Jun July: 4 reports (29%) Jul August: 3 reports (21%) Aug September: 2 reports (14%) Sep October: 1 reports (7%) Oct Nov Dec
All 14 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 0
2025 0
2024 0
2023 0
2022 0
2021 0
2020 0
2019 0
2018 0
2017 0

Largest hail on record

Largest hail reports in Alamosa County
Date Size Location Time · source
Aug 16, 2008 2.50 intennis ball 3.83 E Mosca 14:23 local · NCEI
Jul 1, 1995 1.75 ingolf ball Alamosa 12:46 local · NCEI
Aug 16, 2008 1.00 inquarter Mosca 13:59 local · NCEI
Sep 7, 1986 1.00 inquarter — 15:45 local · NCEI
Jun 17, 1969 1.00 inquarter — 15:34 local · NCEI

Sizes filed before 1996 are often rough estimates (round numbers like 7.00 or 8.00 in) without an exact spot; they are shown as NOAA filed them.

Size of every report

Most recent reports

Most recent hail reports in Alamosa County
Date Size Location Damage Time · source
Sep 22, 2013 0.88 innickel 6.12 WSW Hooper — 13:55 local · NCEI
Jun 6, 2010 0.75 inpenny 20.22 E Hooper — 15:32 local · NCEI
Aug 16, 2008 2.50 intennis ball 3.83 E Mosca — 14:23 local · NCEI
Aug 16, 2008 1.00 inquarter Mosca — 13:59 local · NCEI
Jun 27, 2000 0.75 inpenny 15 NNW Alamosa — 13:00 local · NCEI
Oct 1, 1998 0.88 innickel 1 S Hooper — 12:45 local · NCEI
Jul 18, 1998 0.75 inpenny 18 NE Alamosa — 16:56 local · NCEI
Jul 1, 1995 1.75 ingolf ball Alamosa — 12:46 local · NCEI
Jul 1, 1995 0.75 inpenny Colorado Springs — 12:42 local · NCEI
Jul 1, 1995 0.75 inpenny Alamosa — 12:15 local · NCEI
Aug 10, 1993 0.50 inmarble Alamosa $500K 14:57 local · NCEI
Sep 7, 1986 1.00 inquarter — — 15:45 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.

PlaceReportsHail daysLatest
Alamosa22Jun 17, 1969

Questions about hail in Alamosa County

How often does it hail in Alamosa County, Colorado?

14 hail reports have been logged in Alamosa County since 1961. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #44 of 54 Colorado counties by number of reports.

When is hail season in Alamosa County?

Most reports come in June, July, August. June alone accounts for 29% of all reports.

What is the largest hail recorded in Alamosa County?

2.50 in (tennis ball size) on August 16, 2008 near 3.83 E Mosca. 7% of reports here were 2 inches or larger.

When did it last hail in Alamosa County?

The most recent report in this data is from September 22, 2013 (0.88 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Alamosa County had in the last five years?

None: there has been no hail report in Alamosa County since November 3, 2021. The last one was on September 22, 2013.

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.