Severe Severe Storm ● Closed

Severe Thunderstorm Warning issued September 19 at 3:38PM MDT until September 19 at 4:00PM MDT by NWS Denver CO, United States of America

Event time: Sep 19, 2026 21:38 UTC Last updated: Sep 28, 2026 United States

Icon = what happened · ring colour = how serious: Extreme Severe Moderate Minor

Loading live data… · Marker positions are approximate; severity is labelled in each popup. Sources: USGS, GDACS, NASA EONET, NOAA/NWS, EMSC.

At 338 PM MDT, a severe thunderstorm was located 6 miles east of
Genoa, or 16 miles east of Limon, moving east at 25 mph.

HAZARD...Ping pong ball size hail accumulating on roadways and 60 mph
wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees. Hail continues to
accumulate on roadways including I-70 between Genoa and
Arriba, causing hazardous travel.

Locations impacted include...
Arriba and Genoa.

This includes Interstate 70 between mile markers 370 and 389.

Measurements

Coordinates	39.2767, -103.3367
Region	Lincoln, CO
Location Precision	polygon
Issuing Authority	United States of America — us-noaa-nws-en
Cap Urgency	Immediate
Cap Certainty	Observed
Cap Expires	2026-09-19T16:00:00-06:00

Official source

Warnings courtesy of the issuing national meteorological service, via the WMO Alert Hub.

This is an official warning issued by the authority named above. Follow its instructions and those of your local emergency services.

Severity as published by WMO Alert Hub (national weather services).

View original report

This event as JSON · API and licence

Source updated 30 days ago (Sep 19, 2026 21:39 UTC) · we last heard from WMO Alert Hub (national weather services) 34 seconds ago

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Official authorities in United States

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Earlier severe storm events in United States

Severe and extreme events of the same kind, before this one. Listed for scale, not because they are connected to it.

Special Marine Warning — Neuse and Bay Rivers Severe Severe Storm United States closed via NWS Aug 20, 2026 Special Marine Warning — Delaware Bay waters north of East Point NJ to Slaughter Beach DE Severe Severe Storm United States closed via NWS Aug 20, 2026 Severe Thunderstorm Warning — Fremont, CO Severe Severe Storm United States closed via NWS Aug 20, 2026 Severe Thunderstorm Warning — Caroline, MD; Kent, MD; Queen Anne's, MD Severe Severe Storm United States closed via NWS Aug 20, 2026

Nearby & related events

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Disclaimer: figures are automatic feeds from the named agencies and may be revised. Do not use this page for life-safety decisions — follow official local emergency services.