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Storm Activity›Colorado Storm Activity›Boulder County, CO

Colorado · Official NOAA Storm Data

Boulder County Hail Map & Storm Reports

Hail, wind, and tornado reports from official NOAA sources (NWS & SPC) · Last 12 months · Updated Nov 1, 2026

Has it hailed in Boulder County, Colorado recently? Official National Weather Service (NWS) and Storm Prediction Center (SPC) records say yes: 1 hail report with hail up to 1", among 4 severe weather events logged here in the last 12 months, together with 3 high-wind reports with gusts up to 80 mph. The most recent recorded storm activity was on Jul 28, 2026. This page updates daily: every event comes straight from official NOAA data — no estimates, no modeling, just the record.

Map of Boulder County, Colorado showing the county boundary and surrounding cities — Boulder County, Colorado. Map © Mapbox © OpenStreetMap · County boundary: US Census Bureau.

Boulder County hail map

Where hail and high-wind reports clustered across Boulder County over the last 12 months. Heat shows report density and significance, not radar.

Events (12 mo)

Hail

Wind

Tornado

Max hail

Max wind (mph)

Jul 28, 2026

Most recent

What the radar showed

Radar snapshot during the Dec 19, 2025 wind event near 1 S Boulder, Boulder County, Colorado, with NWS warning polygons — NEXRAD radar at the moment of the Dec 19, 2025 wind event (80 mph) near 1 S Boulder. Outlined polygons are the storm-based warnings exactly as issued by the National Weather Service. Imagery courtesy of the Iowa Environmental Mesonet, Iowa State University; radar data via NOAA/NWS.

Storm exposure for an address in Boulder County

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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.

Tuesday, July 28, 2026

1 SPC verified storm report — hail up to 1"

“Delayed report via CoCoRaHS. Hail lasted approximately 12 minutes and dented some cars. (BOU)”

SPC verified report · Lyons

Hail 1" Lyons SPC verified report

Thursday, March 12, 2026

2 SPC verified storm reports — wind gusts up to 79 mph

“Several trees downed... causing minor damage to a garage. Time estimated. (BOU)”

SPC verified report · 4 ENE Nederland

Wind 79 mph 4 NE Nederland SPC verified report
Wind Unknown 4 ENE Nederland SPC verified report

Friday, December 19, 2025

1 SPC verified storm report — wind gusts up to 80 mph

Wind 80 mph 1 S Boulder SPC verified report

Today's severe weather outlook

Storm Prediction Center Day 1 convective outlook — national severe weather risk map for today — Storm Prediction Center Day 1 convective outlook: categorical severe weather risk for today, updated several times daily. Source: NOAA/NWS Storm Prediction Center.

Common questions

When was the last severe storm in Boulder County, CO?

The most recent recorded event was on Jul 28, 2026. Official NWS and SPC records show 4 severe weather events in Boulder 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 Boulder County recently?

Yes — 1 hail report 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 Boulder 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.

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Proudly AI-powered. Honestly sourced. IDOLCheck is built by HailyAI. Every storm event, magnitude, radar snapshot, and date on this page is deterministic — retrieved directly from official NOAA, National Weather Service (NWS), and Storm Prediction Center (SPC) storm records through HailyAPI and displayed exactly as reported. Quoted warning and report text is always attributed to its official source. Where the surrounding copy is not a direct quote, it was generated with AI assistance from that same verified storm data and reviewed and approved by humans before publication. AI organizes and presents the record — it never invents storm data.