Hail History

Hail history for Twin Falls, Idaho

NOAA hail reports in and within about 5 km (3 miles) of Twin Falls since 1970, with preliminary reports to November 3, 2026.

Readout · Twin Falls

Last hail
Aug 22, 2014
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 21, 1970

12 reports on 11 days since 1970 · #8 of 12 Idaho places

Hail map · Twin Falls

Twin Falls Burley 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
12 most recent reports with a location; Twin Falls County is shaded. 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 Twin Falls is from August 22, 2014. A local roofer can check and document it at no cost.

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What the record says about Twin Falls

The latest hail report in and around Twin Falls is from August 22, 2014, 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, Twin Falls logged 5 reports on 4 hail days, about 0.3 reports a year. That is about the same as the median Idaho town on this site (0.3 a year) and ranks #8 of 12 Idaho cities and towns on this site for all-time reports. Twin Falls accounts for 25% of the 48 reports filed in Twin Falls County.

8% of reports with a size were 2 inches (hen egg) or larger, against 0% for the median Idaho town on this site. The largest hail on record here is 2.00 in (hen egg) on July 21, 1970.

The busiest year was 2009, with 3 reports on 2 days. Hail here peaks in July (42% of reports); 42% fall between April and June.

Reports a year 2006–2025 average

  • Twin Falls 0.3
  • Twin Falls County 1.1
  • Median Idaho town on this site 0.3

Hail days 2006–2025

  • Twin Falls 4
  • Twin Falls County 17
  • Median Idaho town on this site 4

Share 2 in or larger of sized reports

  • Twin Falls 8%
  • Twin Falls County 2%
  • Median Idaho town on this site 0%

Hail over time

0123 1970: 1 reports, largest 2.00 in 1970 1980 1984: 1 reports, largest 0.75 in 1985: 1 reports, largest 1.75 in 1987: 1 reports, largest 1.00 in 1990 1998: 2 reports, largest 1.00 in 2000 2005: 1 reports, largest 0.75 in 2006: 1 reports, largest 0.88 in 2009: 3 reports, largest 0.88 in 2010 2014: 1 reports, largest 1.00 in 2020
Reports per year, 1970–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
0246 Jan Feb Mar April: 1 reports (8%) Apr May June: 4 reports (33%) Jun July: 5 reports (42%) Jul August: 2 reports (17%) Aug Sep Oct Nov Dec
All 12 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 Twin Falls
Date Size Location County Time · source
Jul 21, 1970 2.00 inhen egg — Twin Falls 17:00 local · NCEI
Jul 14, 1985 1.75 ingolf ball — Twin Falls 19:30 local · NCEI
Aug 22, 2014 1.00 inquarter 0.86 SE Twin Falls Twin Falls 19:10 local · NCEI
Jun 25, 1998 1.00 inquarter Twin Falls Twin Falls 15:20 local · NCEI
Apr 30, 1987 1.00 inquarter — Twin Falls 14:30 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 Twin Falls
Date Size Location County Time · source
Aug 22, 2014 1.00 inquarter 0.86 SE Twin Falls Twin Falls 19:10 local · NCEI
Jul 5, 2009 0.75 inpenny 0.86 NE Twin Falls Twin Falls 15:50 local · NCEI
Jul 5, 2009 0.75 inpenny 0.69 N (Twf)twin Falls Arpt Twin Falls 15:40 local · NCEI
Jun 5, 2009 0.88 innickel 1.68 WSW Twin Falls Twin Falls 13:00 local · NCEI
Jul 6, 2006 0.88 innickel 5 S Twin Falls Twin Falls 14:45 local · NCEI
Jun 25, 2005 0.75 inpenny Twin Falls Twin Falls 14:35 local · NCEI
Aug 9, 1998 0.88 innickel 3 SE Twin Falls Twin Falls 14:40 local · NCEI
Jun 25, 1998 1.00 inquarter Twin Falls Twin Falls 15:20 local · NCEI
Apr 30, 1987 1.00 inquarter — Twin Falls 14:30 local · NCEI
Jul 14, 1985 1.75 ingolf ball — Twin Falls 19:30 local · NCEI
Jun 14, 1984 0.75 inpenny — Twin Falls 17:45 local · NCEI
Jul 21, 1970 2.00 inhen egg — Twin Falls 17:00 local · NCEI

Hail history near Twin Falls

Questions about hail in Twin Falls

How often does it hail in Twin Falls, Idaho?

12 hail reports have been logged in and within about 5 km (3 miles) of Twin Falls since 1970. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #8 of 12 Idaho places by number of reports.

When is hail season in Twin Falls?

Most reports come in July, June, August. July alone accounts for 42% of all reports.

What is the largest hail recorded in Twin Falls?

2.00 in (hen egg size) on July 21, 1970. 8% of reports here were 2 inches or larger.

When did it last hail in Twin Falls?

The most recent report in this data is from August 22, 2014 (1.00 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

How many hail storms has Twin Falls had in the last five years?

None: there has been no hail report in and within about 5 km (3 miles) of Twin Falls since November 3, 2021. The last one was on August 22, 2014.

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.