Riverton, WY – Friday kicks off with sunshine across central Wyoming, but don’t be fooled — scattered thunderstorms and gusty winds are on track for the afternoon. A summer weather alert is in effect with a 30% chance of storms after noon, potentially impacting drivers on US-26 and WY-789, especially with gusts up to 22 mph expected near Riverton.
According to the National Weather Service in Riverton, a northeast wind between 9–14 mph will increase risk for dry lightning and brief downpours after midday Friday. Storms will taper off by midnight, but skies may remain partly cloudy through the evening. Residents should secure loose outdoor items and delay any backcountry travel until Saturday.
Saturday and Sunday bring full sun and rising temperatures, with Saturday topping out near 90°F and Sunday peaking at a scorching 95°F. Winds will be light but shifting east-northeast Sunday afternoon, creating dry, high-fire-risk conditions.
Looking ahead, Tuesday could bring a return of storms and a slight cooldown, but hot summer temperatures remain dominant.
🌤 Five-Day Forecast for Riverton, WY
- Friday (July 11): Mostly sunny, chance of thunderstorms after noon. High 81°F. Gusts up to 22 mph.
- Saturday: Sunny, high 90°F. Calm winds becoming northeast at 6 mph.
- Sunday: Sunny, high 95°F. East-northeast winds 5–7 mph.
- Monday: Sunny, high near 95°F.
- Tuesday: Slight chance of storms, mostly sunny. High 82°F.