National Weather Service Forecast for: Riverton WY
Issued by: National Weather Service Riverton, WY
Updated: 3:32 am MDT Jun 22, 2026
 
Overnight

Overnight: Mostly clear, with a low around 50. North wind around 6 mph.
Mostly Clear

 Monday

Monday: Sunny, with a high near 89. Breezy, with a light west wind becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Sunny then
Sunny and
Breezy
 Monday
Night
Monday Night: Mostly clear, with a low around 52. Breezy, with a northwest wind 15 to 20 mph becoming northeast 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Mostly Clear
and Breezy
then Mostly
Clear
 Tuesday

Tuesday: Partly sunny, then gradually becoming sunny, with a high near 83. East northeast wind 5 to 11 mph.
Becoming
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 52. Breezy, with a northeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Mostly Clear
and Breezy
then Mostly
Clear
 Wednesday

Wednesday: A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 83. Light north wind becoming north northeast 5 to 10 mph in the morning.
Sunny then
Slight Chance
T-storms
 Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51. Breezy, with a northeast wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Chance
Showers and
Breezy then
Partly Cloudy
 Thursday

Thursday: Mostly sunny, with a high near 86.
Mostly Sunny

 Thursday
Night
Thursday Night: A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.
Slight Chance
T-storms then
Partly Cloudy
Lo 50 °F Hi 89 °F Lo 52 °F Hi 83 °F Lo 52 °F Hi 83 °F Lo 51 °F Hi 86 °F Lo 52 °F

 

Overnight
 
 Mostly clear, with a low around 50. North wind around 6 mph.
Monday
 
 Sunny, with a high near 89. Breezy, with a light west wind becoming west northwest 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.
Monday Night
 
 Mostly clear, with a low around 52. Breezy, with a northwest wind 15 to 20 mph becoming northeast 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
 
 Partly sunny, then gradually becoming sunny, with a high near 83. East northeast wind 5 to 11 mph.
Tuesday Night
 
 Mostly clear, with a low around 52. Breezy, with a northeast wind 11 to 16 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
 
 A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 83. Light north wind becoming north northeast 5 to 10 mph in the morning.
Wednesday Night
 
 A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 51. Breezy, with a northeast wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 24 mph.
Thursday
 
 Mostly sunny, with a high near 86.
Thursday Night
 
 A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 52.
Friday
 
 Mostly sunny, with a high near 93.
Friday Night
 
 A slight chance of showers and thunderstorms. Partly cloudy, with a low around 56. Breezy.
Saturday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Windy.
Saturday Night
 
 A slight chance of showers. Partly cloudy, with a low around 48. Breezy.
Sunday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75. Breezy.

 

Forecast from NOAA-NWS for Riverton WY.