Colorado hail map — September 9, 2025
NOAA radar detected hail of an inch or more over 1 Colorado city on September 9, 2025. The largest stones — 1.00″, quarter size — fell over Grand Junction.
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- The September 9, 2025 swath — and every other storm since 2023 across Colorado
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- Cities hit
- 1
- in Colorado
- Largest stone
- 1.00″
- quarter size
- Impact rating
- 3/10
- from stone size
Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
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Colorado cities hit on September 9, 2025
What people on the ground measured in Colorado on September 9, 2025
7 reports filed with the National Weather Service — 3 from trained observers or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 1.75″ golf ball size Trained SpotterBurlington, CO3:45 PM MDTKit Carson County
Estimated quarter to golf ball sized hail that was accumulating. Time estimated based on radar.
- 1.75″ golf ball size Storm Chaser8 N Springfield, CO6:07 PM MDTBaca County
- 1.50″ half dollar size Public4 NW Highland Center, CO6:10 PM MDTPhillips County
Report via social media. Time and location estimated by radar.
- 1.00″ quarter size PublicBurlington, CO3:59 PM MDTKit Carson County
- 1.00″ quarter size Trained Spotter1 WSW Burlington, CO4:03 PM MDTKit Carson County
Quarter sized hail reported in town.
- 1.00″ quarter size Public1 SE Burlington, CO4:11 PM MDTKit Carson County
Social media photos of hailstones.
- 1.00″ quarter size Trained SpotterBurlington, CO4:12 PM MDTKit Carson County
Hail began at 3:30 pm with up to quarter sized hail accumulating up to a few inches in depth. As of report time, ongoing hail up to 0.75 inches was falling and smaller.
Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.
Other states hit on September 9, 2025
The full US hail map for September 9, 2025 →Other Colorado hail days
Shopping for a hail app to work Colorado?
This page is one storm. If you are deciding which tool to work Colorado with all season, these compare the ones roofers actually buy — with every price taken from the vendor's own site and linked.
- Best hail tracking apps, comparedHailMate, HailTrace, Hail Recon, HailStrike and RadarScope — every published price sourced and linked, and who each one is genuinely right for.
- HailMate vs HailTraceStreet-level NOAA swaths on a map your crew can knock, with the CRM already inside — instead of quote-only meteorologist maps billed on top of one.
- Hail map apps for roofers (and the Hail Recon alternative)Every storm on one map instead of loading dates one at a time — plus the canvassing and the whole claim, monthly, for what one state costs them a year.
- Best canvassing apps, comparedHailMate, SalesRabbit, SPOTIO, Knockio, RoofLink and Badger Maps — every published price sourced and linked, and two of them publish none.
Colorado hail on September 9, 2025
NOAA radar put hail of an inch or more over 1 Colorado city that day. The largest stones — 1.00 inches, quarter size — were over Grand Junction. Every city hit is listed above with its own stone size.