Hail and Damaging Wind in Colorado, August 24, 2025

Name: Hail and Damaging Wind in Colorado, August 24, 2025
Start: 2025-08-24T13:12
End: 2025-08-24T18:38
Location: Colorado

August 24, 2025 · NWS BOU · 3 events in 1 county or zone

75 inch hail. A second round of thunderstorms produced a 63 mph wind gust at the Limon airport.

Where it happened

Every event with a place to put it. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 3

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS BOU wrote it up.

A severe thunderstorm track south across Lincoln County producing 1.75 inch hail. A second round of thunderstorms produced a 63 mph wind gust at the Limon airport.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Denver/Boulder, CO wrote its last area forecast discussion before the first event at Aug 24, 10:34 AM MST, 2 hours 38 minutes earlier.

Area forecast discussion, Aug 24, 10:34 AM MST, 2 hours 38 minutes before

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Hazardous weather outlook, Aug 24, 8:44 AM MST, 4 hours 28 minutes before

Hazardous Weather Outlook
National Weather Service Denver/Boulder CO
944 AM MDT Sun Aug 24 2025

COZ030>051-251545-
Jackson County Below 9000 Feet-
West Jackson and West Grand Counties Above 9000 Feet-
Grand and Summit Counties Below 9000 Feet-
South and East Jackson/Larimer/North and Northeast Grand/
Northwest Boulder Counties Above 9000 Feet-
South and Southeast Grand/West Central and Southwest Boulder/
Gilpin/Clear Creek/Summit/North and West Park Counties Above
9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-
Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear
Creek/Northeast Park Counties Below 9000 Feet-
Central and Southeast Park County-
Larimer County Below 6000 Feet/Northwest Weld County-
Boulder And Jefferson Counties Below 6000 Feet/West Broomfield
County-
North Douglas County Below 6000 Feet/Denver/West Adams and
Arapahoe Counties/East Broomfield County-
Elbert/Central and East Douglas Counties Above 6000 Feet-
Northeast Weld County-Central and South Weld County-Morgan County-
Central and East Adams and Arapahoe Counties-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County-
Southeast Elbert County Below 6000 Feet/South Lincoln County-
Logan County-Washington County-Sedgwick County-Phillips County-
944 AM MDT Sun Aug 24 2025

This hazardous weather outlook is for northeast and north central
Colorado.

.DAY ONE...Today and Tonight

Scattered showers and thunderstorms will form mid to late
afternoon. As this activity spreads eastward across the I-25
Corridor and plains, showers and thunderstorms will increase in
coverage. There is a small risk for one or two strong to severe
thunderstorms. Heavy rainfall will be possible from the
thunderstorms later today as the atmosphere moistens. This may
lead to localized flooding if storms are slow to move or train
over the same areas.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

The weather pattern will remain active with scattered to numerous
showers and thunderstorms most days. Cooler temperatures, will
stay in the forecast picture for all of next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

In the hours before

Special weather statement, Aug 24, 12:59 PM MST, 13 minutes before

Special Weather Statement
National Weather Service Denver CO
159 PM MDT Sun Aug 24 2025

COZ046-242030-
North and Northeast Elbert County Below 6000 Feet/North Lincoln
County CO-
159 PM MDT Sun Aug 24 2025

...A STRONG THUNDERSTORM WILL IMPACT NORTHEASTERN LINCOLN COUNTY
UNTIL 230 PM MDT...

At 159 PM MDT, Doppler radar was tracking a strong thunderstorm 10
miles south of Thurman, or 28 miles northeast of Limon, moving
southeast at 15 mph.

HAZARD...Nickel size hail.

SOURCE...Radar indicated.

IMPACT...Minor damage to outdoor objects is possible.

Locations impacted include...
  Arriba.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the weather situation closely and be alert for threatening
weather conditions.

If outdoors, consider seeking shelter inside a building.

&&

LAT...LON 3923 10339 3957 10337 3957 10315 3923 10316
TIME...MOT...LOC 1959Z 329DEG 12KT 3945 10323

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...<30 MPH

RPK

Local storm report, Aug 24, 1:02 PM MST, 10 minutes before

Preliminary Local Storm Report
National Weather Service Denver CO
202 PM MDT Sun Aug 24 2025

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0410 PM     Hail             4 NNE Floyd Hill        39.77N 105.39W
08/23/2025  M1.00 Inch       Jefferson          CO   Cocorahs

&&

The radar

The Denver radar (KFTG), 119 km away, was scanning. The volume nearest the first event began at 20:13 UTC.

Open the radar archive at this moment

Event by event

2 hail, 1 thunderstorm wind. Local standard time, as filed.

Hail, Lincoln

When: August 24, 1:12 PM MST to 1:15 PM MST
Where: Lincoln County, 7.32 mi SE of Shaw
Measured: 1.75 in hail
Reported by: Trained Spotter
Coordinates: 39.420, -103.240

Hail, Lincoln

When: August 24, 1:38 PM MST to 1:46 PM MST
Where: Lincoln County, 4.33 mi E of Arriba
Measured: 1.75 in hail
Reported by: Trained Spotter
Coordinates: 39.290, -103.190

Thunderstorm Wind, Lincoln

When: August 24, 6:38 PM MST
Where: Lincoln County, 1.27 mi WSW of (Lic)limon Arpt
Measured: 55 kt (63 mph) measured gust
Reported by: ASOS
Coordinates: 39.270, -103.670

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Thunderstorm Wind: Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Colorado in 2025 Every state in 2025 This day in weather history Warnings in Colorado, August 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1282500, 1282501, 1282504.