Active Weather Alerts
Special Weather Statement
Issued: 6:35 PM Aug. 17, 2025 – National Weather Service
...Gusty Outflow Winds 40 to 50 mph through 8 PM Sunday... This is a special weather statement from the National Weather Service Office in Riverton. * WHAT...Outflow wind gusts 40 to 50 mph with isolated gusts of 55 mph or more possible. * WHERE...Lower elevations across Johnson, Natrona, Fremont, Sweetwater, Sublette, and Lincoln Counties as well as the Bighorn Basin, Yellowstone National Park, and Jackson Hole. * WHEN...Through 8 PM Sunday. * ADDITIONAL DETAILS...Scattered high-based showers and thunderstorms will continue to develop and spread across much of Wyoming Sunday afternoon and evening. Any of these showers and storms will be capable of producing widespread outflow wind gusts of 40 to 50 mph with isolated gusts of 55 mph or more possible. Thunderstorms will also likely be producing frequent lightning strikes. Some locations may see small hail, especially in areas that saw prolonged periods of sunshine this morning where instability is the greatest.
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