Midwest, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Midwest, a town in Natrona County, Wyoming.
This Afternoon
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 82. West wind around 6 mph. Chance of precipitation is 30%.
7-day forecast for Midwest
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Chance Showers And Thunderstorms | 6 mph W | 32% |
| Tonight | 52°F | Showers And Thunderstorms | 6 mph SW | 84% |
| Saturday | 72°F | Patchy Fog then Chance Showers And Thunderstorms | 3 to 9 mph WSW | 38% |
| Saturday Night | 48°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 9 mph NNW | 80% |
| Sunday | 64°F | Showers And Thunderstorms Likely | 5 to 8 mph WNW | 72% |
| Sunday Night | 45°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 8 mph NW | 21% |
| Monday | 71°F | Sunny | 6 mph S | 1% |
| Monday Night | 47°F | Mostly Clear | 10 mph SE | 0% |
| Tuesday | 79°F | Sunny | 7 mph SSW | 1% |
| Tuesday Night | 51°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 to 8 mph SE | 10% |
| Wednesday | 79°F | Mostly Sunny | 10 mph SW | 9% |
| Wednesday Night | 50°F | Mostly Clear | 6 mph W | 4% |
| Thursday | 80°F | Sunny | 8 mph SSW | 4% |
| Thursday Night | 52°F | Partly Cloudy | 8 mph SE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Midwest (43.411, -106.277). Updated through the day.
Growing snapshot for Midwest
Last spring frost
May 22
First fall frost
Sep 22
Growing season
121 days
Hardiness zone
5a
More local growing data for Midwest: nearby ZIP 82643 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Alcova
Antelope Hills
Bar Nunn
Bessemer Bend
Brookhurst
Casper
Casper Mountain
Edgerton
Evansville
Hartrandt
Homa Hills
Meadow Acres
Mills
Mountain View
Powder River
Red Butte
Vista West
Climate data from the nearest NOAA station, Midwest, Wy (0.6 mi from Midwest). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.