Van Tassell, WY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Van Tassell, a town in Niobrara County, Wyoming.
Today
70°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
A slight chance of rain showers between 9am and noon, then a chance of showers and thunderstorms. Partly sunny. High near 70, with temperatures falling to around 67 in the afternoon. South southeast wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Van Tassell
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph SSE | 28% |
| Tonight | 44°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph E | 60% |
| Sunday | 62°F | Showers And Thunderstorms Likely | 5 to 10 mph N | 74% |
| Sunday Night | 40°F | Showers And Thunderstorms Likely | 5 to 10 mph NNW | 65% |
| Monday | 64°F | Slight Chance Rain Showers | 5 to 10 mph NNE | 16% |
| Monday Night | 41°F | Mostly Clear | 10 to 15 mph SE | 2% |
| Tuesday | 72°F | Mostly Sunny | 10 to 15 mph SSE | 3% |
| Tuesday Night | 45°F | Partly Cloudy | 10 to 15 mph SSE | 14% |
| Wednesday | 75°F | Mostly Sunny | 5 to 10 mph S | 11% |
| Wednesday Night | 45°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSW | 24% |
| Thursday | 77°F | Sunny | 0 to 5 mph NW | 5% |
| Thursday Night | 47°F | Mostly Clear | 5 mph SE | 6% |
| Friday | 78°F | Mostly Sunny | 5 to 15 mph S | 7% |
| Friday Night | 48°F | Slight Chance Rain Showers then Partly Cloudy | 5 to 15 mph S | 16% |
Forecast source: National Weather Service (api.weather.gov) for Van Tassell (42.664, -104.091). Updated through the day.
Growing snapshot for Van Tassell
Last spring frost
May 17
First fall frost
Sep 28
Growing season
133 days
Hardiness zone
5a
More local growing data for Van Tassell: nearby ZIP 82242 weather · frost dates · planting calendar · Wyoming frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Torrington 29N, Wy (11 mi from Van Tassell). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.