Wibaux, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wibaux, a town in Wibaux County, Montana.
Tonight
54°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before 3am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 54. East southeast wind 3 to 7 mph. Chance of precipitation is 40%.
7-day forecast for Wibaux
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Slight Chance Showers And Thunderstorms | 3 to 7 mph ESE | 35% |
| Saturday | 63°F | Rain Showers Likely | 6 to 14 mph ENE | 73% |
| Saturday Night | 50°F | Rain Showers | 14 mph E | 78% |
| Sunday | 60°F | Rain Showers Likely | 16 mph E | 74% |
| Sunday Night | 48°F | Mostly Cloudy | 7 to 13 mph ESE | 13% |
| Monday | 67°F | Partly Sunny | 8 to 15 mph SE | 3% |
| Monday Night | 49°F | Partly Cloudy | 16 mph SE | 0% |
| Tuesday | 74°F | Sunny | 17 mph SSE | 1% |
| Tuesday Night | 52°F | Mostly Clear | 10 to 17 mph SSE | 3% |
| Wednesday | 79°F | Mostly Sunny | 9 mph SSE | 9% |
| Wednesday Night | 53°F | Mostly Clear | 7 mph SSE | 11% |
| Thursday | 80°F | Sunny | 5 to 9 mph SSE | 3% |
| Thursday Night | 54°F | Mostly Clear | 7 to 12 mph SE | 5% |
| Friday | 80°F | Mostly Sunny | 12 to 16 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Wibaux (46.987, -104.190). Updated through the day.
Growing snapshot for Wibaux
Last spring frost
May 27
First fall frost
Sep 16
Growing season
112 days
Hardiness zone
4a
More local growing data for Wibaux: nearby ZIP 59353 weather · frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Wibaux 2 E, Mt (5.8 mi from Wibaux). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.