Name: Heavy Rain in Wyoming, July 20, 2010
Start: 2010-07-20T19:30
End: 2010-07-20T20:20
Location: Wyoming

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: 1

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 CYS wrote it up.

A strong thunderstorm developed over Albany county after sunset.

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 Cheyenne, WY wrote its last area forecast discussion before the first event at Jul 20, 5:25 PM MST, 2 hours 5 minutes earlier.

Area forecast discussion, Jul 20, 5:25 PM MST, 2 hours 5 minutes before

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Hazardous weather outlook, Jul 20, 9:16 AM MST, 10 hours 14 minutes before

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In the hours before

Special weather statement, Jul 20, 6:44 PM MST, 46 minutes before

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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 heavy rain. Local standard time, as filed.

Heavy Rain, Albany

When: July 20, 7:30 PM MST to 8:20 PM MST
Where: Albany County, 4 mi E of Garrett
Reported by: Trained Spotter
Coordinates: 42.120, -105.522

Received 2.00 inches of rain in less than an hour. Estimated time and duration of report.

What these are

Heavy Rain: Rainfall totals unusual for the place and season that did not produce a flood.

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

The same day elsewhere

More

Every storm in Wyoming in 2010 Every state in 2010 This day in weather history Warnings in Wyoming, July 2010

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 2026-09-30. Each event’s entry at NCEI: 235881.