Hail History

Hail history for Siskiyou County, California

Every NOAA hail report filed in Siskiyou County since 1958, with preliminary National Weather Service reports to November 3, 2026.

Readout · Siskiyou County

Last hail
Jul 23, 2018
1.00 in, quarter size
Hail days, last 5 years
0
since Nov 3, 2021 · 0 reports
Largest ever
2.00 in
hen egg · Jul 26, 2010

23 reports on 19 days since 1958 · #14 of 47 California counties

Hail map · Siskiyou County

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

For homeowners

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What the record says about Siskiyou County

The latest hail report in Siskiyou County is from July 23, 2018, 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, Siskiyou County logged 15 reports on 13 hail days, about 0.8 reports a year. That is 88% more than the median California county (0.4 a year) and ranks #14 of 47 California counties for all-time reports. Siskiyou County holds 2% of all 938 hail reports in California.

4% 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 2.00 in (hen egg) on July 26, 2010 near Greenview.

Reports were down 50% in 2016–2025 (5) compared with 2006–2015 (10). The busiest year was 2010, with 4 reports on 2 days. Hail here peaks in July (74% of reports); 13% fall between April and June.

Reports a year 2006–2025 average

  • Siskiyou County 0.8
  • Median California county 0.4

Hail days 2006–2025

  • Siskiyou County 13
  • Median California county 7

Share 2 in or larger of sized reports

  • Siskiyou County 4%
  • Median California county 0%

Hail over time

01234 1958: 2 reports, largest 1.75 in 1960 1970 1980 1990 1997: 2 reports, largest 1.25 in 2000 2003: 2 reports, largest 0.75 in 2004: 1 reports, largest 1.00 in 2005: 1 reports, largest 0.75 in 2006: 2 reports, largest 0.75 in 2010: 4 reports, largest 2.00 in 2010 2013: 1 reports, largest 1.00 in 2014: 1 reports, largest 1.00 in 2015: 2 reports, largest 1.75 in 2016: 1 reports, largest 1.00 in 2017: 1 reports, largest 1.00 in 2018: 3 reports, largest 1.00 in 2020
Reports per year, 1958–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
05101520 Jan Feb Mar Apr May: 2 reports (9%) May June: 1 reports (4%) Jun July: 17 reports (74%) Jul August: 3 reports (13%) Aug Sep Oct Nov Dec
All 23 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 3 3
2017 1 1

Largest hail on record

Largest hail reports in Siskiyou County
Date Size Location Time · source
Jul 26, 2010 2.00 inhen egg Greenview 14:56 local · NCEI
Jul 7, 2015 1.75 ingolf ball (1o5)montague/Yreka 13:55 local · NCEI
Jul 23, 1958 1.75 ingolf ball — 16:30 local · NCEI
Jul 23, 1958 1.75 ingolf ball — 16:30 local · NCEI
Jun 11, 1997 1.25 inhalf dollar Tulelake 13:30 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 Siskiyou County
Date Size Location Time · source
Jul 23, 2018 1.00 inquarter 2.07 SW Macdoel 17:45 local · NCEI
Jul 22, 2018 1.00 inquarter 4.89 SSW Weed 21:39 local · NCEI
Jul 15, 2018 1.00 inquarter 0.52 E Tennant 13:50 local · NCEI
May 4, 2017 1.00 inquarter 2.14 SSW Greenview 17:12 local · NCEI
Aug 5, 2016 1.00 inquarter 0.86 SE Klamath River 16:10 local · NCEI
Jul 7, 2015 1.75 ingolf ball (1o5)montague/Yreka 13:55 local · NCEI
Jul 5, 2015 1.00 inquarter 0.91 SSW Greenview 16:00 local · NCEI
Jul 22, 2014 1.00 inquarter 1.73 NW Forks Of Salmon 15:30 local · NCEI
Aug 22, 2013 1.00 inquarter 9 W Dorris 13:50 local · NCEI
Jul 26, 2010 1.00 inquarter 1.11 SSW Ft Jones 19:10 local · NCEI
Jul 26, 2010 2.00 inhen egg Greenview 14:56 local · NCEI
Jul 26, 2010 0.88 innickel 5 NNW Ft Jones 14:50 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
Fort Jones43Jul 26, 2010
Greenview44May 4, 2017
Montague22Jul 7, 2015
Tennant22Jul 15, 2018
Weed22Jul 22, 2018
Happy Camp11Jul 23, 2006
Macdoel11Jul 23, 2018
Tulelake11Jun 11, 1997
Yreka11May 27, 2005

Questions about hail in Siskiyou County

How often does it hail in Siskiyou County, California?

23 hail reports have been logged in Siskiyou County since 1958. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #14 of 47 California counties by number of reports.

When is hail season in Siskiyou County?

Most reports come in July, August, May. July alone accounts for 74% of all reports.

What is the largest hail recorded in Siskiyou County?

2.00 in (hen egg size) on July 26, 2010 near Greenview. 4% of reports here were 2 inches or larger.

When did it last hail in Siskiyou County?

The most recent report in this data is from July 23, 2018 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

None: there has been no hail report in Siskiyou County since November 3, 2021. The last one was on July 23, 2018.

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.