Wyoming, 2025

Hail and Damaging Winds in Wyoming, July 15, 2025

July 15, 2025 · NWS RIW · 11 events in 5 counties and zones

An upper level low moved across Wyoming and brought a round of strong to severe thunderstorms to western and central Wyoming. The severe thunderstorms brought both hail and strong wind.

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

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The toll

Deaths
0
Injuries
0
Property damage
$1,000
Crop damage
None recorded
Events
11

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 RIW wrote it up.

An upper level low moved across Wyoming and brought a round of strong to severe thunderstorms to western and central Wyoming. The severe thunderstorms brought both hail and strong wind. The maximum wind gust reported was 75 mph near Muddy Gap with wind gusts over 58 mph also reported in Sublette, Sweetwater, Lincoln and Hot Springs Counties. In Afton, trees were blown onto power lines leading a power outage. A pile of loose rocks was blown down near Tabletop Mountain in Johnson County. In Fremont County, a supercell thunderstorm moved southeast dropping penny to ping pong size hail, with the largest hail reported to the northwest of Lander.

The radar

The Salt Lake City radar (KMTX), 141 km away, was scanning. The volume nearest the first event began at 20:06 UTC.

Open the radar archive at this moment

Event by event

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

Thunderstorm Wind, Lincoln

When
July 15, 1:09 PM MST to 1:14 PM MST
Where
Lincoln County, 2.22 mi E of Sage
Measured
51 kt (59 mph) measured gust
Reported by
Mesonet
Coordinates
41.823, -110.927

Wind gusts of 59 mph occurred to the east of Sage Junction.

Thunderstorm Wind, Fremont

When
July 15, 2:30 PM MST
Where
Fremont County, Dubois Muni Arpt
Measured
53 kt (61 mph) measured gust
Reported by
AWOS
Coordinates
43.550, -109.700

A 61 mph wind gust was reported at the Dubois airport.

Thunderstorm Wind, Lincoln

When
July 15, 2:30 PM MST
Where
Lincoln County, 1 mi N of Afton
Measured
60 kt (69 mph) estimated gust
Property damage
$1,000
Reported by
Emergency Manager
Coordinates
42.745, -110.920

A microburst in Afton downed trees in two locations, leading to a power outage.

Thunderstorm Wind, Sublette

When
July 15, 2:53 PM MST
Where
Sublette County, (Bpi)big Piney Arpt
Measured
54 kt (62 mph) measured gust
Reported by
ASOS
Coordinates
42.580, -110.120

A 62 mph wind gust was reported at the Big Piney / Marbleton airport.

Thunderstorm Wind, Fremont

When
July 15, 2:57 PM MST
Where
Fremont County, 10 mi N of Dubois
Measured
51 kt (59 mph) measured gust
Reported by
RAWS
Coordinates
43.675, -109.620

The Elkhorn RAWS site had a maximum wind gust of 58 mph.

Thunderstorm Wind, Sublette

When
July 15, 3:20 PM MST
Where
Sublette County, 12 mi W of Daniel
Measured
56 kt (64 mph) measured gust
Reported by
Mesonet
Coordinates
42.870, -110.307

A 65 mph wind gust was reported to the west of Daniel.

Hail, Fremont

When
July 15, 4:45 PM MST to 4:55 PM MST
Where
Fremont County, 3.93 mi NNW of Milford to 2 mi SE of Hudson
Measured
1.25 in hail
Reported by
NWS Employee
Coordinates
42.924, -108.796

A retired National Weather Service meteorologist reported ping pong ball size hail to the northwest of Lander. Penny size hail fell in Hudson.

Thunderstorm Wind, Fremont

When
July 15, 4:50 PM MST
Where
Fremont County, 2.46 mi NE of Lander
Measured
52 kt (60 mph) measured gust
Reported by
Mesonet
Coordinates
42.854, -108.684

A 60 mph wind gust was reported near Lander.

Thunderstorm Wind, Johnson

When
July 15, 5:30 PM MST
Where
Johnson County, 14.02 mi W of Mayoworth
Measured
65 kt (75 mph) estimated gust
Reported by
Public
Coordinates
43.850, -107.080

A sheephearders monument was blown down near Tabletop Mountain in the Bighorn Mountain Range. Wind measurements from nearby sensors and structure damage support a 60 to 75 mph wind speed estimate.

Thunderstorm Wind, Hot Springs

When
July 15, 6:15 PM MST
Where
Hot Springs County, 13 mi S of Thermopolis
Measured
55 kt (63 mph) measured gust
Reported by
Mesonet
Coordinates
43.462, -108.200

A 63 mph wind gust was reported on Boysen Peak.

Thunderstorm Wind, Fremont

When
July 15, 6:50 PM MST
Where
Fremont County, 16.88 mi SE of Jeffrey City
Measured
65 kt (75 mph) measured gust
Reported by
Mesonet
Coordinates
42.340, -107.570

A 75 mph wind gust was reported north of Bairoil.

What these are

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.
Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Wyoming in 2025Every state in 2025This day in weather historyWarnings in Wyoming, July 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 2026-09-24. Each event’s entry at NCEI: 1284610, 1284606, 1284611, 1284607, 1284612, 1284609, 1284613, 1284608, 1284616, 1284614, 1284615.