National Weather Service Forecast for: Rock Springs WY
Issued by: National Weather Service Riverton, WY
Updated: 10:47 pm MST Dec 4, 2025
 
Overnight

Overnight: Scattered snow showers, mainly between 1am and 2am.  Mostly cloudy, with a low around 23. Breezy, with a west southwest wind around 15 mph, with gusts as high as 24 mph.  Chance of precipitation is 30%.
Scattered
Snow Showers
and Breezy

Friday

Friday: A 20 percent chance of snow showers after 4pm.  Partly sunny, with a high near 35. Breezy, with a west wind 14 to 18 mph, with gusts as high as 29 mph.
Breezy.
Partly Sunny
then Slight
Chance Snow
Showers
Friday
Night
Friday Night: A slight chance of snow showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of snow showers after 2am.  Mostly cloudy, with a low around 31. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 34 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Chance
Rain/Snow and
Breezy

Saturday

Saturday: A 20 percent chance of snow showers before 11am.  Mostly sunny, with a high near 38. Breezy, with a west wind 17 to 23 mph, with gusts as high as 34 mph.
Breezy.
Slight Chance
Snow Showers
then Mostly
Sunny
Saturday
Night
Saturday Night: Partly cloudy, with a low around 21. Breezy, with a west wind 13 to 16 mph, with gusts as high as 28 mph.
Partly Cloudy
and Breezy
then Partly
Cloudy
Sunday

Sunday: Mostly sunny, with a high near 36. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Mostly Sunny
then Partly
Sunny and
Breezy
Sunday
Night
Sunday Night: Mostly cloudy, with a low around 25. West wind around 13 mph, with gusts as high as 22 mph.
Mostly Cloudy


Monday

Monday: Partly sunny, with a high near 40. Breezy.
Partly Sunny
and Breezy

Monday
Night
Monday Night: Mostly cloudy, with a low around 26.
Mostly Cloudy


Lo 23 °F Hi 35 °F Lo 31 °F Hi 38 °F Lo 21 °F Hi 36 °F Lo 25 °F Hi 40 °F Lo 26 °F

Hazardous Weather Outlook
 

Overnight
 
Scattered snow showers, mainly between 1am and 2am. Mostly cloudy, with a low around 23. Breezy, with a west southwest wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Friday
 
A 20 percent chance of snow showers after 4pm. Partly sunny, with a high near 35. Breezy, with a west wind 14 to 18 mph, with gusts as high as 29 mph.
Friday Night
 
A slight chance of snow showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of snow showers after 2am. Mostly cloudy, with a low around 31. Breezy, with a west southwest wind 17 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
 
A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 38. Breezy, with a west wind 17 to 23 mph, with gusts as high as 34 mph.
Saturday Night
 
Partly cloudy, with a low around 21. Breezy, with a west wind 13 to 16 mph, with gusts as high as 28 mph.
Sunday
 
Mostly sunny, with a high near 36. Breezy, with a west wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
 
Mostly cloudy, with a low around 25. West wind around 13 mph, with gusts as high as 22 mph.
Monday
 
Partly sunny, with a high near 40. Breezy.
Monday Night
 
Mostly cloudy, with a low around 26.
Tuesday
 
Partly sunny, with a high near 45. Breezy.
Tuesday Night
 
A slight chance of rain and snow showers. Mostly cloudy, with a low around 34. Breezy.
Wednesday
 
A slight chance of rain and snow showers. Partly sunny, with a high near 47. Breezy.
Wednesday Night
 
Mostly cloudy, with a low around 29. Breezy.
Thursday
 
Mostly sunny, with a high near 44. Breezy.

 

Forecast from NOAA-NWS for Rock Springs WY.