Alert archive / Wyoming / Special Weather Statements in 2025
Special Weather Statement, NWS Riverton, WY
NWS Riverton, WY issued this special weather statement at Jul 4, 2025, 10:21 PM MDT for Fremont County, Wyoming. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 4, 2025, 10:21 PM MDT (04:21 UTC)
- Expired
- Jul 4, 2025, 11:00 PM MDT
- In force
- 39 min
- Issued by
- NWS Riverton, WY
- Hail
- 0.00 in
- Wind
- 50
County Fremont County, WY
The radar
The Riverton/Lander radar (KRIW), 31 km from the middle of the area, began a volume at 04:20 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Riverton, WY wrote its last area forecast discussion before this special weather statement went out at Jul 4, 7:48 PM MDT, 2 hours 33 minutes earlier.
Area forecast discussion, Jul 4, 7:48 PM MDT, 2 hours 33 minutes before
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</html>Hazardous weather outlook, Jul 4, 2:40 AM MDT, 19 hours 41 minutes before
Hazardous Weather Outlook National Weather Service Riverton WY 240 AM MDT Fri Jul 4 2025 WYZ001>020-022>030-051245- Yellowstone National Park-Absaroka Mountains-Cody Foothills- North Bighorn Basin-Southwest Bighorn Basin-Southeast Bighorn Basin- Owl Creek and Bridger Mountains-Bighorn Mountains West- Bighorn Mountains Southeast-Northeast Johnson County- Southeast Johnson County-Teton and Gros Ventre Mountains- Jackson Hole-Wind River Mountains West-Wind River Mountains East- Upper Wind River Basin-Wind River Basin-Lander Foothills- Green Mountains and Rattlesnake Range- Natrona County Lower Elevations-Casper Mountain-Star Valley- Salt River and Wyoming Ranges-Upper Green River Basin Foothills- Upper Green River Basin-South Lincoln County- Rock Springs and Green River-Flaming Gorge-East Sweetwater County- 240 AM MDT Fri Jul 4 2025 This Hazardous Weather Outlook is for Western and Central Wyoming. .DAY ONE...Today and tonight. Multiple rounds of showers and thunderstorms will move through the state today. The first round is expected to begin developing by the late morning with the next following shortly behind during the early afternoon. A later round develops by the late afternoon lingering into the late evening hours. A few isolated strong to severe storms cannot be ruled out. These stronger storms may be capable of producing small hail, heavy downpours, and strong gusty winds. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Saturday...Thunderstorms develop once again in the afternoon with coverage being more limited in nature. Convection chances look to remain mainly across central and northern WY. Some strong to severe storms will be possible, especially across the eastern Bighorn Basin into Johnson and Natrona Counties. These strong to severe storms will be capable of producing large hail, strong gusty winds, and an isolated tornado or two. Sunday through Thursday...Drier and warmer weather is expected to develop and prevail across the region. This will likely lead to increased chances for elevated fire weather conditions for much of the state. .SPOTTER INFORMATION STATEMENT... Weather spotters are encouraged to report significant weather conditions according to Standard Operating Procedures.
In the hours before
Special weather statement, Jul 4, 7:44 PM MDT, 2 hours 37 minutes before
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</html>Special weather statement, Jul 4, 8:14 PM MDT, 2 hours 7 minutes before
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</html>Special weather statement, Jul 4, 9:14 PM MDT, 1 hour 7 minutes before
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</html>Special weather statement, Jul 4, 9:42 PM MDT, 39 minutes before
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</html>Special weather statement, Jul 4, 9:47 PM MDT, 34 minutes before
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</html>Special weather statement, Jul 4, 10:21 PM MDT, 0 minutes before
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</html>The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 6:02 PM MDT | Special Weather Statement | RIW | Natrona | 28 min |
| Jul 4, 6:15 PM MDT | Special Weather Statement | RIW | Johnson | 45 min |
| Jul 4, 7:17 PM MDT | Special Weather Statement | RIW | Uinta | 43 min |
| Jul 4, 7:42 PM MDT | Special Weather Statement | RIW | 33 min | |
| Jul 4, 7:44 PM MDT | Special Weather Statement | RIW | Sublette | 31 min |
| Jul 4, 8:14 PM MDT | Special Weather Statement | RIW | Sublette | 46 min |
| Jul 4, 9:14 PM MDT | Special Weather Statement | RIW | Fremont | 16 min |
| Jul 4, 9:42 PM MDT | Special Weather Statement | RIW | Fremont | 33 min |
| Jul 4, 9:47 PM MDT | Special Weather Statement | RIW | Fremont | 28 min |
| Jul 5, 10:30 AM MDT | Special Weather Statement | RIW | 45 min | |
| Jul 5, 11:10 AM MDT | Special Weather Statement | RIW | 35 min | |
| Jul 5, 11:42 AM MDT | Special Weather Statement | RIW | Park | 33 min |
| Jul 5, 1:02 PM MDT | Special Weather Statement | RIW | Sublette | 28 min |
| Jul 5, 1:17 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 13 min |
| Jul 5, 1:22 PM MDT | Severe Thunderstorm Warning | RIW | Sublette | 23 min |
| Jul 5, 1:46 PM MDT | Special Weather Statement | RIW | Big Horn | 44 min |
| Jul 5, 2:22 PM MDT | Special Weather Statement | RIW | Sublette | 23 min |
| Jul 5, 2:35 PM MDT | Special Weather Statement | RIW | Big Horn | 25 min |
| Jul 5, 3:17 PM MDT | Special Weather Statement | RIW | Big Horn | 28 min |
| Jul 5, 4:49 PM MDT | Special Weather Statement | RIW | Sheridan | 26 min |
Nearby
Special Weather Statements in Wyoming, 2025Every special weather statement in 2025
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.