Lewis and Clark County Hail Map & Storm Reports
Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Sep 13, 2026
Has it hailed in Lewis and Clark County, Montana recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 3 hail reports with hail up to 1", among 16 severe weather events logged here in the last 12 months, together with 13 high-wind reports with gusts up to 73 mph. The most recent recorded storm activity was in September 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.
Lewis and Clark County hail map
Where hail and high-wind reports clustered across Lewis and Clark County over the last 12 months. Heat shows report density and significance, not radar.
What the radar showed
Last 30 days in Lewis and Clark County
Recent storms — full detail available in the app
Storm activity from the last 30 days is summarized at the county level on this page. Exact locations, radar snapshots, and official warning boundaries for recent events are available with a free account.
See the specifics — free →Storm log — the official record, day by day
Events older than 30 days, as recorded by the National Weather Service and Storm Prediction Center. Excerpts are quoted directly from official warnings and verified reports.
Wednesday, July 22, 2026
2 SPC verified storm reports — wind gusts up to 62 mph
“Corrects previous non-tstm wnd gst report from 2 E Helena. ASOS station KHLN Helena Airport. (TFX)”
“Corrects previous non-tstm wnd gst report from 13 S Marysville. Mesonet station MTMDP MacDonald Pass (MT DOT). (TFX)”
- Wind 62 mph 2 E Helena SPC verified report
- Wind 61 mph 13 S Marysville SPC verified report
Thursday, June 25, 2026
2 SPC verified storm reports — hail up to 1"
“A member of the public shared a photo of quarter-sized hail on social media. (TFX)”
“Mostly nickel sized hail with a few quarter sized mixed in. (TFX)”
- Hail 1" East Helena SPC verified report
- Hail 1" 6 NNW Helena SPC verified report
Wednesday, December 17, 2025
1 SPC verified storm report
“Traffic sign bent over with debris blowing down the street. (TFX)”
- Wind Unknown 1 SE Helena SPC verified report
Saturday, September 13, 2025
2 SPC verified storm reports — wind gusts up to 59 mph
“AWOS station K1GM Golf. Thunderstorm wind gust of 51 mph. (TFX)”
“Spotter network report of a large tree down across a fence. Time of damage estimated using radar. (TFX)”
- Wind 59 mph 14 SW Simms SPC verified report
- Wind Unknown 4 N Helena SPC verified report
Today's severe weather outlook
Common questions
When was the last severe storm in Lewis and Clark County, MT?
The most recent recorded event was in September 2026. Official NWS and SPC records show 16 severe weather events in Lewis and Clark County over the last 12 months. Exact dates and locations for recent storms are available in the app with a free account.
Did it hail in Lewis and Clark County recently?
Yes — 3 hail reports in the last 12 months, with hail up to 1" recorded. The hail map above shows where reports clustered; the storm log lists each day.
How do I see hail history for a specific address in Lewis and Clark County?
Create a free IDOLCheck account and run an address check. It shows verified storm reports and official NWS warning boundaries around any specific property, including the most recent 30 days — county-level pages like this one only tell part of the story.