National Weather Service Forecast for: Mills WY
Issued by: National Weather Service Riverton, WY
Updated: 3:48 pm MDT Jul 28, 2026
 
This
Afternoon
This Afternoon: A 20 percent chance of showers and thunderstorms.  Patchy smoke after 5pm. Sunny, with a high near 94. North wind 6 to 9 mph.
Slight Chance
T-storms

Tonight

Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Patchy smoke. Partly cloudy, with a low around 61. East wind 6 to 11 mph becoming light and variable  after midnight.
Slight Chance
T-storms then
Patchy Smoke
Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Patchy smoke before 5pm. Mostly sunny, with a high near 95. Light and variable wind becoming east southeast 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Patchy Smoke
then Slight
Chance
T-storms
Wednesday
Night
Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly before 10pm.  Mostly cloudy, with a low around 61. West wind 5 to 8 mph becoming southeast in the evening.
Chance
T-storms then
Mostly Cloudy
Thursday

Thursday: Sunny, with a high near 95. Breezy, with a southwest wind 8 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Sunny then
Sunny and
Breezy
Thursday
Night
Thursday Night: Mostly clear, with a low around 59. North northwest wind 6 to 11 mph becoming light and variable  after midnight. Winds could gust as high as 21 mph.
Mostly Clear

Friday

Friday: Sunny and hot, with a high near 97. Breezy, with a light and variable wind becoming north northeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Sunny then
Sunny and
Breezy
Friday
Night
Friday Night: Mostly clear, with a low around 60.
Mostly Clear

Saturday

Saturday: Sunny and hot, with a high near 101.
Hot

Hi 94 °F Lo 61 °F Hi 95 °F Lo 61 °F Hi 95 °F Lo 59 °F Hi 97 °F Lo 60 °F Hi 101 °F

 

This Afternoon
 
A 20 percent chance of showers and thunderstorms. Patchy smoke after 5pm. Sunny, with a high near 94. North wind 6 to 9 mph.
Tonight
 
A 10 percent chance of showers and thunderstorms before 7pm. Patchy smoke. Partly cloudy, with a low around 61. East wind 6 to 11 mph becoming light and variable after midnight.
Wednesday
 
A 20 percent chance of showers and thunderstorms after noon. Patchy smoke before 5pm. Mostly sunny, with a high near 95. Light and variable wind becoming east southeast 9 to 14 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
A 50 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 61. West wind 5 to 8 mph becoming southeast in the evening.
Thursday
 
Sunny, with a high near 95. Breezy, with a southwest wind 8 to 15 mph becoming north northwest in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
 
Mostly clear, with a low around 59. North northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Friday
 
Sunny and hot, with a high near 97. Breezy, with a light and variable wind becoming north northeast 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
 
Mostly clear, with a low around 60.
Saturday
 
Sunny and hot, with a high near 101.
Saturday Night
 
Mostly clear, with a low around 65.
Sunday
 
Sunny and hot, with a high near 104.
Sunday Night
 
Mostly clear, with a low around 62.
Monday
 
Sunny, with a high near 92. Breezy.

 

Forecast from NOAA-NWS for Mills WY.