Broadus, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Broadus, a town in Powder River County, Montana.
Today
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 74 in the afternoon. West northwest wind 2 to 8 mph.
7-day forecast for Broadus
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Sunny | 2 to 8 mph WNW | 0% |
| Tonight | 51°F | Mostly Clear | 1 to 8 mph ENE | 7% |
| Wednesday | 85°F | Sunny | 5 mph WSW | 0% |
| Wednesday Night | 56°F | Mostly Clear | 2 to 6 mph ENE | 0% |
| Thursday | 94°F | Sunny | 2 mph WSW | 0% |
| Thursday Night | 60°F | Mostly Clear | 1 to 6 mph NE | 0% |
| Friday | 98°F | Sunny | 2 to 6 mph SSE | 0% |
| Friday Night | 64°F | Mostly Clear | 5 to 8 mph E | 0% |
| Saturday | 96°F | Sunny | 5 to 12 mph WNW | 0% |
| Saturday Night | 64°F | Mostly Clear | 3 to 10 mph NE | 2% |
| Sunday | 96°F | Mostly Sunny | 5 to 10 mph ENE | 2% |
| Sunday Night | 64°F | Partly Cloudy | 5 to 12 mph NE | 11% |
| Monday | 93°F | Mostly Sunny | 5 to 10 mph ENE | 5% |
| Monday Night | 64°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 13 mph E | 31% |
Forecast source: National Weather Service (api.weather.gov) for Broadus (45.443, -105.408). Updated through the day.
Growing snapshot for Broadus
Last spring frost
May 16
First fall frost
Sep 28
Growing season
135 days
Hardiness zone
4b
More local growing data for Broadus: nearby ZIP 59317 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Broadus, Mt (9.1 mi from Broadus). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.