Hail History

Hail history for Kalispell, Montana

NOAA hail reports in and within about 5 km (3 miles) of Kalispell since 1972, with preliminary reports to November 3, 2026.

Readout · Kalispell

Last hail
May 28, 2026
1.25 in, half dollar size
Hail days, last 5 years
2
since Nov 3, 2021 · 2 reports
Largest ever
2.50 in
tennis ball · Jul 7, 2022

15 reports on 14 days since 1972 · #66 of 111 Montana places

Hail map · Kalispell

Kalispell Bigfork 25 mi
  • Under 1 in
  • 1–1.75 in
  • 1.75–2.5 in
  • 2.5–4 in
  • 4 in +
  • No size
15 most recent reports with a location; Flathead County is shaded. Open street map

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What the record says about Kalispell

The latest hail report in and around Kalispell is from May 28, 2026, 1.25 in (half dollar size). Since November 3, 2021 there have been 2 separate hail days; the biggest stones in that time were 2.50 in on July 7, 2022.

Over the 20 years 2006–2025, Kalispell logged 6 reports on 5 hail days, about 0.3 reports a year. That is 33% less than the median Montana town on this site (0.5 a year) and ranks #66 of 111 Montana cities and towns on this site for all-time reports. Kalispell accounts for 14% of the 104 reports filed in Flathead County.

7% of reports with a size were 2 inches (hen egg) or larger, against 8% for the median Montana town on this site. The largest hail on record here is 2.50 in (tennis ball) on July 7, 2022 near 1.34 W Kalispell City Arpt.

The busiest year was 2016, with 2 reports on 1 day. Hail here peaks in July (53% of reports); 27% fall between April and June.

Reports a year 2006–2025 average

  • Kalispell 0.3
  • Flathead County 2.6
  • Median Montana town on this site 0.5

Hail days 2006–2025

  • Kalispell 5
  • Flathead County 28
  • Median Montana town on this site 7

Share 2 in or larger of sized reports

  • Kalispell 7%
  • Flathead County 3%
  • Median Montana town on this site 8%

Hail over time

012 1972: 1 reports, largest 0.75 in 1980 1981: 1 reports, largest 0.75 in 1989: 2 reports, largest 1.00 in 1990 1997: 2 reports, largest 1.50 in 2000 2004: 1 reports, largest 0.88 in 2005: 1 reports, largest 0.75 in 2007: 1 reports, largest 0.88 in 2010 2012: 1 reports, largest 1.00 in 2013: 1 reports, largest 1.00 in 2016: 2 reports, largest 1.00 in 2020 2022: 1 reports, largest 2.50 in 2026: 1 reports, largest 1.25 in
Reports per year, 1972–2026. Bar colour shows the largest hail that year. Reporting grew sharply after the mid-1990s, so early decades undercount.
02468 Jan Feb Mar Apr May: 1 reports (7%) May June: 3 reports (20%) Jun July: 8 reports (53%) Jul August: 3 reports (20%) Aug Sep Oct Nov Dec
All 15 reports by calendar month.
Reports per month, 2017–2026. Darker cells had more reports.
YearJanFebMarAprMayJunJulAugSepOctNovDecTotal
2026 1 1
2025 0
2024 0
2023 0
2022 1 1
2021 0
2020 0
2019 0
2018 0
2017 0

Hail days since Nov 3, 2021

DateReportsLargestStorm page
May 28, 2026 1 1.25 in —
Jul 7, 2022 1 2.50 in —

Largest hail on record

Largest hail reports in Kalispell
Date Size Location County Damage Time · source
Jul 7, 2022 2.50 intennis ball 1.34 W Kalispell City Arpt Flathead $1.5 million 19:51 local · NCEI
Aug 1, 1997 1.50 inping pong ball Kalispell Flathead — 18:25 local · NCEI
May 28, 2026 1.25 inhalf dollar 1.4 WSW Kalispell City Arpt Flathead — 17:24 local · NCEI
Jun 8, 2016 1.00 inquarter 1.2 NW Kalispell Flathead — 16:56 local · NCEI
Jun 8, 2016 1.00 inquarter 1.61 WNW Kalispell Flathead — 16:02 local · NCEI

Size of every report

Most recent reports

Most recent hail reports in Kalispell
Date Size Location County Damage Time · source
May 28, 2026 1.25 inhalf dollar 1.4 WSW Kalispell City Arpt Flathead — 17:24 local · NCEI
Jul 7, 2022 2.50 intennis ball 1.34 W Kalispell City Arpt Flathead $1.5 million 19:51 local · NCEI
Jun 8, 2016 1.00 inquarter 1.2 NW Kalispell Flathead — 16:56 local · NCEI
Jun 8, 2016 1.00 inquarter 1.61 WNW Kalispell Flathead — 16:02 local · NCEI
Jul 17, 2013 1.00 inquarter Kalispell Flathead — 14:30 local · NCEI
Jul 27, 2012 1.00 inquarter Kalispell Flathead — 22:10 local · NCEI
Jul 18, 2007 0.88 innickel 0.3 ESE Kalispell Flathead — 20:35 local · NCEI
Aug 10, 2005 0.75 inpenny 3 N Kalispell Flathead — 14:57 local · NCEI
Jul 19, 2004 0.88 innickel Kalispell Flathead — 14:50 local · NCEI
Aug 1, 1997 1.50 inping pong ball Kalispell Flathead — 18:25 local · NCEI
Jul 21, 1997 1.00 inquarter Kalispell Flathead — 19:30 local · NCEI
Jul 20, 1989 0.75 inpenny — Flathead — 18:00 local · NCEI

Hail history near Kalispell

Questions about hail in Kalispell

How often does it hail in Kalispell, Montana?

15 hail reports have been logged in and within about 5 km (3 miles) of Kalispell since 1972. Over the 20 years 2006–2025 that averages 0.3 reports a year. That ranks #66 of 111 Montana places by number of reports.

When is hail season in Kalispell?

Most reports come in July, June, August. July alone accounts for 53% of all reports.

What is the largest hail recorded in Kalispell?

2.50 in (tennis ball size) on July 7, 2022 near 1.34 W Kalispell City Arpt. 7% of reports here were 2 inches or larger.

When did it last hail in Kalispell?

The most recent report in this data is from May 28, 2026 (1.25 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.

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

2 separate days with hail reports since November 3, 2021, adding up to 2 reports. The most recent was May 28, 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.