Hail map for Longmont, CO — July 11, 2025
NOAA radar detected hail up to 1.00″ — quarter size — within 5 miles of Longmont on July 11, 2025.
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Every address in Colorado at once — three years of NOAA hail swaths drawn on a map you can zoom, filter and actually work.
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- The July 11, 2025 swath — and every other storm since 2023 across Colorado
- GPS door-knocking — pins, photos and who you have already hit
- Jobs, contacts, estimates and invoices included
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HailTrace charges $229 for this one day, once. $79 here is all of Colorado, every day.
- Max hail size
- 1.00″
- quarter
- Impact rating
- 3/10
- from stone size
- Size bands over the city
- 1
- distinct radar bands
- Measured on the ground
- 1.00″
- 12.5 mi away · Trained Spotter
Sizes come from NOAA radar, which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.
Did hail hit your address?
This page covers Longmont as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.
Check my addressFree, and no account needed to look it up. If hail did hit, you'll have the date and the stone size in writing — which is the first thing an adjuster asks for.
Other towns hit on July 11, 2025
What people on the ground measured in Longmont, CO on July 11, 2025
4 reports filed with the National Weather Service — 1 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.
- 1.00″ quarter size Trained Spotter1 NNW Louisville, CO · 12.5 mi away6:27 PM MDTBoulder County
- 0.75″ penny size Cocorahs2 SSW Niwot, CO · 8.2 mi away6:10 PM MDTBoulder County
- 0.75″ penny size Public2 W Lafayette, CO · 10.9 mi away6:29 PM MDTBoulder County
Report from mPING: Dime (0.75 in.).
- 0.75″ penny size Public2 S Lafayette, CO · 13.6 mi away6:48 PM MDTBoulder County
Report from mPING: Dime (0.75 in.).
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.
Shopping for a hail app to work Longmont, CO?
This page is one storm. If you are deciding which tool to work Longmont, CO 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.
Longmont hail on July 11, 2025
NOAA radar estimated stones up to 1.00 inches — quarter size — within about 5 miles of Longmont that day, across 1 distinct size band. Sizes vary street to street inside a single swath.