Riverton, Wyoming – Blistering July heat returns to central Wyoming on Friday, July 18, with temperatures expected to climb into the low 90s by afternoon and gusty northwest winds triggering elevated fire danger.
According to the National Weather Service, Riverton will see mostly sunny skies and highs near 91°F Friday, with winds reaching 15 mph and gusts up to 24 mph. A 10% chance of thunderstorms arrives Friday night, bringing a slight risk of lightning without meaningful rainfall — a classic dry lightning threat for wildfire-prone areas.
Those traveling along US-26 or WY-789 should stay alert for blowing dust or sudden wind shifts Friday afternoon into evening. If you’re working outdoors or planning weekend events, schedule early or late in the day to avoid peak heat and wind. Fire crews remain on standby as the region enters a pattern of hot, dry weather through mid-next week.
Saturday and Sunday continue the heat trend, with sunny skies and highs in the low-to-mid 90s. Southwest winds Saturday could gust up to 20 mph, further worsening wildfire conditions. Sunday tops out near 94°F, making it one of the hottest days of the month.
🔎 Five-Day Forecast: Riverton, WY
Friday, July 18: Mostly sunny, high 91°F. Northwest winds 5–15 mph, gusts to 24 mph.
Friday Night: Slight chance of storms before 9 p.m., low 58°F.
Saturday: Mostly sunny, high 92°F. Gusts up to 20 mph.
Sunday: Sunny and hot, high 94°F.
Monday: High near 96°F, partly cloudy overnight, low 59°F.
Tuesday: Sunny, high 94°F.
Wednesday: Sunny, high 93°F.
🔥 Warnings may be extended into next week as the heat dome builds. Stay tuned for updates and avoid open burning.
