National Weather Service Forecast for: Mills WY
Issued by: National Weather Service Riverton, WY
Updated: 10:02 am MDT Mar 19, 2026
 
Today

Today: Sunny, with a high near 81. Breezy, with a west wind 18 to 22 mph, with gusts as high as 32 mph.
Sunny and
Breezy

 Tonight

Tonight: Partly cloudy, with a low around 54. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Partly Cloudy
and Breezy
then Partly
Cloudy
 Friday

Friday: Sunny, with a high near 80. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 30 mph.
Sunny and
Breezy

 Friday
Night
Friday Night: Mostly clear, with a low around 50. West wind 8 to 14 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 83. Windy, with a south southwest wind 10 to 15 mph becoming west southwest 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.
Mostly Sunny
and Windy

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 39. Breezy, with a west wind 18 to 23 mph becoming northeast 9 to 14 mph after midnight. Winds could gust as high as 34 mph.
Mostly Cloudy
and Breezy
then Mostly
Cloudy
 Sunday

Sunday: Mostly sunny, with a high near 61. Northeast wind 6 to 9 mph becoming northwest in the afternoon.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 37.
Partly Cloudy

 Monday

Monday: Partly sunny, with a high near 70. Breezy.
Mostly Sunny
then Partly
Sunny and
Breezy
Hi 81 °F Lo 54 °F Hi 80 °F Lo 50 °F Hi 83 °F Lo 39 °F Hi 61 °F Lo 37 °F Hi 70 °F

Hazardous Weather Outlook
Red Flag Warning
 

Today
 
 Sunny, with a high near 81. Breezy, with a west wind 18 to 22 mph, with gusts as high as 32 mph.
Tonight
 
 Partly cloudy, with a low around 54. Breezy, with a west southwest wind 10 to 18 mph, with gusts as high as 28 mph.
Friday
 
 Sunny, with a high near 80. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 30 mph.
Friday Night
 
 Mostly clear, with a low around 50. West wind 8 to 14 mph becoming south southwest after midnight. Winds could gust as high as 23 mph.
Saturday
 
 Mostly sunny, with a high near 83. Windy, with a south southwest wind 10 to 15 mph becoming west southwest 21 to 26 mph in the afternoon. Winds could gust as high as 40 mph.
Saturday Night
 
 Mostly cloudy, with a low around 39. Breezy, with a west wind 18 to 23 mph becoming northeast 9 to 14 mph after midnight. Winds could gust as high as 34 mph.
Sunday
 
 Mostly sunny, with a high near 61. Northeast wind 6 to 9 mph becoming northwest in the afternoon.
Sunday Night
 
 Partly cloudy, with a low around 37.
Monday
 
 Partly sunny, with a high near 70. Breezy.
Monday Night
 
 Mostly cloudy, with a low around 44.
Tuesday
 
 Partly sunny, with a high near 76. Breezy.
Tuesday Night
 
 Partly cloudy, with a low around 51. Breezy.
Wednesday
 
 Sunny, with a high near 82. Windy.

 

Forecast from NOAA-NWS for Mills WY.