National Weather Service Forecast for: Riverton WY
Issued by: National Weather Service Riverton, WY
Updated: 8:01 pm MST Feb 1, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 23. West wind 6 to 8 mph becoming south in the evening.
Partly Cloudy
 Monday

Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 54. West wind 8 to 13 mph becoming north in the afternoon.
Becoming
Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 21. Southwest wind 5 to 8 mph.
Partly Cloudy
 Tuesday

Tuesday: Mostly sunny, with a high near 55. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Mostly Sunny
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 20. North wind around 5 mph becoming light and variable after midnight.
Partly Cloudy
 Wednesday

Wednesday: Mostly sunny, with a high near 51. Light and variable wind.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 22. South southwest wind around 6 mph.
Partly Cloudy
 Thursday

Thursday: Sunny, with a high near 55.
Sunny
 Thursday
Night
Thursday Night: Mostly clear, with a low around 22.
Mostly Clear
Lo 23 °F Hi 54 °F Lo 21 °F Hi 55 °F Lo 20 °F Hi 51 °F Lo 22 °F Hi 55 °F Lo 22 °F

 

Tonight
 
 Partly cloudy, with a low around 23. West wind 6 to 8 mph becoming south in the evening.
Monday
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 54. West wind 8 to 13 mph becoming north in the afternoon.
Monday Night
 
 Partly cloudy, with a low around 21. Southwest wind 5 to 8 mph.
Tuesday
 
 Mostly sunny, with a high near 55. Calm wind becoming northeast 5 to 8 mph in the afternoon.
Tuesday Night
 
 Partly cloudy, with a low around 20. North wind around 5 mph becoming light and variable after midnight.
Wednesday
 
 Mostly sunny, with a high near 51. Light and variable wind.
Wednesday Night
 
 Partly cloudy, with a low around 22. South southwest wind around 6 mph.
Thursday
 
 Sunny, with a high near 55.
Thursday Night
 
 Mostly clear, with a low around 22.
Friday
 
 Sunny, with a high near 55.
Friday Night
 
 Mostly clear, with a low around 23.
Saturday
 
 Sunny, with a high near 55.
Saturday Night
 
 Partly cloudy, with a low around 24.
Sunday
 
 Sunny, with a high near 58.

 

Forecast from NOAA-NWS for Riverton WY.