National Weather Service Forecast for: Riverton WY
Issued by: National Weather Service Riverton, WY
Updated: 3:01 pm MST Dec 16, 2025
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 61. North northwest wind around 10 mph, with gusts as high as 20 mph.
Mostly Sunny

 Tonight

Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 29. South wind 7 to 13 mph becoming west in the evening. Winds could gust as high as 20 mph.
Decreasing
Clouds
 Wednesday

Wednesday: Scattered showers, mainly before 2pm. Mostly sunny, with a high near 57. Windy, with a south southwest wind 17 to 22 mph becoming southwest 26 to 31 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 40%.
Scattered
Showers and
Windy
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 22. Breezy, with a west northwest wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 37 mph.
Partly Cloudy
and Breezy
 Thursday

Thursday: Partly sunny, with a high near 42. West southwest wind 6 to 8 mph becoming south in the morning.
Partly Sunny

 Thursday
Night
Thursday Night: A slight chance of rain and snow showers before 11pm, then a slight chance of rain showers. Partly cloudy, with a low around 27. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Slight Chance
Rain/Snow and
Breezy
 Friday

Friday: A 20 percent chance of showers. Mostly sunny, with a high near 56. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 37 mph.
Slight Chance
Showers and
Breezy
 Friday
Night
Friday Night: A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 30%.
Chance
Rain/Snow and
Breezy
 Saturday

Saturday: A slight chance of rain and snow showers. Mostly sunny, with a high near 50. Breezy. Chance of precipitation is 20%.
Slight Chance
Rain/Snow and
Breezy
Hi 61 °F Lo 29 °F Hi 57 °F Lo 22 °F Hi 42 °F Lo 27 °F Hi 56 °F Lo 32 °F Hi 50 °F

Hazardous Weather Outlook
High Wind Warning
 

This Afternoon
 
 Mostly sunny, with a high near 61. North northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
 
 Mostly cloudy, then gradually becoming mostly clear, with a low around 29. South wind 7 to 13 mph becoming west in the evening. Winds could gust as high as 20 mph.
Wednesday
 
 Scattered showers, mainly before 2pm. Mostly sunny, with a high near 57. Windy, with a south southwest wind 17 to 22 mph becoming southwest 26 to 31 mph in the afternoon. Winds could gust as high as 49 mph. Chance of precipitation is 40%.
Wednesday Night
 
 Partly cloudy, with a low around 22. Breezy, with a west northwest wind 19 to 24 mph decreasing to 13 to 18 mph after midnight. Winds could gust as high as 37 mph.
Thursday
 
 Partly sunny, with a high near 42. West southwest wind 6 to 8 mph becoming south in the morning.
Thursday Night
 
 A slight chance of rain and snow showers before 11pm, then a slight chance of rain showers. Partly cloudy, with a low around 27. Breezy, with a south southwest wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Friday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 56. Breezy, with a west southwest wind 16 to 23 mph, with gusts as high as 37 mph.
Friday Night
 
 A chance of rain showers before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. Breezy. Chance of precipitation is 30%.
Saturday
 
 A slight chance of rain and snow showers. Mostly sunny, with a high near 50. Breezy. Chance of precipitation is 20%.
Saturday Night
 
 Partly cloudy, with a low around 25.
Sunday
 
 Mostly sunny, with a high near 50.
Sunday Night
 
 A slight chance of showers. Partly cloudy, with a low around 29.
Monday
 
 A slight chance of showers. Mostly sunny, with a high near 59.

 

Forecast from NOAA-NWS for Riverton WY.