Harman US

Mills, WY Weather & Growing Conditions

Today
73°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 73, with temperatures falling to around 70 in the afternoon. West wind around 8 mph. Chance of precipitation is 30%.

7-day forecast

WhenTempForecastWindPrecip
Today 73°F Mostly Sunny then Chance Showers And Thunderstorms 8 mph W 31%
Tonight 45°F Showers And Thunderstorms 7 mph NW 84%
Sunday 63°F Showers And Thunderstorms Likely 8 to 13 mph WNW 66%
Sunday Night 41°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 1 to 7 mph NNW 14%
Monday 69°F Mostly Sunny 3 mph SW 0%
Monday Night 41°F Mostly Clear 3 to 8 mph SE 0%
Tuesday 78°F Sunny 2 to 8 mph SSW 1%
Tuesday Night 49°F Slight Chance Showers And Thunderstorms then Partly Cloudy 7 mph SSE 14%
Wednesday 78°F Mostly Sunny 14 to 18 mph SW 8%
Wednesday Night 48°F Mostly Clear 7 mph SW 3%
Thursday 80°F Sunny 9 mph SW 2%
Thursday Night 50°F Partly Cloudy 5 mph E 2%
Friday 81°F Mostly Sunny 6 to 12 mph SSW 4%
Friday Night 52°F Partly Cloudy 8 to 13 mph SSW 9%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Mills, WY

Last spring frost
May 10
First fall frost
Sep 29
Growing season
138 days
Hardiness zone
5a

Explore more for Mills, WY: full frost dates · planting calendar · Wyoming frost dates

Climate data from the nearest NOAA station, Casper Wwtp, Wy (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.