Riverton, Wyo. – Central Wyoming faces a stretch of hot, dry weather this week, with Riverton expected to climb near 99 degrees by Wednesday afternoon before relief arrives by the weekend.
According to the National Weather Service in Riverton, temperatures will steadily rise from the low 90s Monday to the upper 90s Tuesday and Wednesday. Light winds from the west and northwest will add little relief, raising concerns for heat stress during outdoor work and recreation across Fremont County.
Cities including Riverton, Lander, and Shoshoni will see highs well above average, with sunny skies keeping conditions dry through Friday. Nighttime lows will remain mild, staying in the 50s to near 60, which may limit overnight cooling. Ranchers and outdoor workers are urged to stay hydrated and avoid strenuous activity during peak afternoon hours.
By Saturday, clouds increase and a slight chance of showers and thunderstorms returns to the area, signaling a pattern shift that may bring some relief. Until then, hot afternoons and dry air dominate central Wyoming.
Warnings are not in place yet, but officials note more advisories could be issued if conditions worsen midweek.
Five Day Forecast for Riverton, WY
- Monday: Sunny, high near 92. Low around 54.
- Tuesday: Sunny, hot, high near 97. Low around 55.
- Wednesday: Sunny, very hot, high near 99. Low around 60.
- Thursday: Mostly sunny, high near 94. Low around 57.
- Friday: Sunny, high near 88. Low around 56.
