Hail History

Hail history for Sierra County, California

Every NOAA hail report filed in Sierra County since 1992, with preliminary National Weather Service reports to November 3, 2026.

Readout · Sierra County

Last hail
Jul 8, 2015
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
1.00 in
quarter · Jul 8, 2015

6 reports on 5 days since 1992 · #41 of 47 California counties

Hail map · Sierra County

10 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
6 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 Sierra County is from July 8, 2015. A local roofer can check and document it at no cost.

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What the record says about Sierra County

The latest hail report in Sierra County is from July 8, 2015, 1.00 in (quarter size). There has been no hail report here in the five years since November 3, 2021.

Over the 20 years 2006–2025, Sierra County logged 4 reports on 4 hail days, about 0.2 reports a year. That is about half the median California county (0.4 a year) and ranks #41 of 47 California counties for all-time reports. Sierra County holds 1% of all 938 hail reports in California.

0% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median California county. The largest hail on record here is 1.00 in (quarter) on July 8, 2015 near 1.48 SSE Sattley.

The busiest year was 1992, with 2 reports on 1 day. Hail here peaks in May (50% of reports); 50% fall between April and June.

Reports a year 2006–2025 average

  • Sierra County 0.2
  • Median California county 0.4

Hail days 2006–2025

  • Sierra County 4
  • Median California county 7

Share 2 in or larger of sized reports

  • Sierra County 0%
  • Median California county 0%

Hail over time

012 1992: 2 reports, largest 1.00 in 1995 2000 2005 2009: 1 reports, largest 0.88 in 2010 2013: 1 reports, largest 1.00 in 2014: 1 reports, largest 1.00 in 2015: 1 reports, largest 1.00 in 2015 2020 2025
Reports per year, 1992–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0123 Jan Feb Mar Apr May: 3 reports (50%) May Jun July: 3 reports (50%) Jul Aug Sep Oct Nov Dec
All 6 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 Sierra County
Date Size Location Time · source
Jul 8, 2015 1.00 inquarter 1.48 SSE Sattley 12:30 local · NCEI
Jul 18, 2014 1.00 inquarter 0.53 E Loyalton 15:13 local · NCEI
Jul 3, 2013 1.00 inquarter 1.48 SSE Sattley 19:15 local · NCEI
May 7, 1992 1.00 inquarter — 19:00 local · NCEI
May 7, 1992 1.00 inquarter — 18:15 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 Sierra County
Date Size Location Time · source
Jul 8, 2015 1.00 inquarter 1.48 SSE Sattley 12:30 local · NCEI
Jul 18, 2014 1.00 inquarter 0.53 E Loyalton 15:13 local · NCEI
Jul 3, 2013 1.00 inquarter 1.48 SSE Sattley 19:15 local · NCEI
May 28, 2009 0.88 innickel 2 S Sierraville 14:28 local · NCEI
May 7, 1992 1.00 inquarter — 19:00 local · NCEI
May 7, 1992 1.00 inquarter — 18:15 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
Sierraville44Jul 8, 2015
Loyalton11Jul 18, 2014
Sattley11May 7, 1992

Questions about hail in Sierra County

How often does it hail in Sierra County, California?

6 hail reports have been logged in Sierra County since 1992. Over the 20 years 2006–2025 that averages 0.2 reports a year. That ranks #41 of 47 California counties by number of reports.

When is hail season in Sierra County?

Most reports come in May, July. May alone accounts for 50% of all reports.

What is the largest hail recorded in Sierra County?

1.00 in (quarter size) on July 8, 2015 near 1.48 SSE Sattley. 0% of reports here were 2 inches or larger.

When did it last hail in Sierra County?

The most recent report in this data is from July 8, 2015 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in Sierra County since November 3, 2021. The last one was on July 8, 2015.

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.