National Weather Service Forecast for: Riverton WY
Issued by: National Weather Service Riverton, WY
Updated: 5:13 pm MDT Jun 12, 2025
 
Tonight

Tonight: A 20 percent chance of showers before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 51. West southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Slight Chance
Showers then
Mostly Clear
 Friday

Friday: Sunny, with a high near 90. Breezy, with a light and variable wind becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Sunny then
Sunny and
Breezy
 Friday
Night
Friday Night: Mostly clear, with a low around 53. North northwest wind 5 to 10 mph becoming southwest after midnight.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 92. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.
Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming light west southwest after midnight.
Partly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 92. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 56. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Partly Cloudy

 Monday

Monday: Partly sunny, with a high near 88.
Partly Sunny

 Monday
Night
Monday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 54.
Slight Chance
Showers then
Mostly Cloudy
Lo 51 °F Hi 90 °F Lo 53 °F Hi 92 °F Lo 56 °F Hi 92 °F Lo 56 °F Hi 88 °F Lo 54 °F

Hazardous Weather Outlook
 

Tonight
 
 A 20 percent chance of showers before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 51. West southwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
 
 Sunny, with a high near 90. Breezy, with a light and variable wind becoming northwest 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Friday Night
 
 Mostly clear, with a low around 53. North northwest wind 5 to 10 mph becoming southwest after midnight.
Saturday
 
 Sunny, with a high near 92. Light and variable wind becoming west northwest 5 to 9 mph in the afternoon.
Saturday Night
 
 Partly cloudy, with a low around 56. West northwest wind 5 to 10 mph becoming light west southwest after midnight.
Sunday
 
 Mostly sunny, with a high near 92. Light and variable wind becoming west 9 to 14 mph in the afternoon. Winds could gust as high as 23 mph.
Sunday Night
 
 Partly cloudy, with a low around 56. Northwest wind 7 to 13 mph, with gusts as high as 20 mph.
Monday
 
 Partly sunny, with a high near 88.
Monday Night
 
 A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 54.
Tuesday
 
 A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Tuesday Night
 
 Mostly clear, with a low around 51.
Wednesday
 
 Sunny, with a high near 85.
Wednesday Night
 
 Mostly clear, with a low around 52.
Juneteenth
 
 Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Riverton WY.