Muddy, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Muddy, a community in Rosebud County, Montana.
Tonight
32°F
Clear
Clear, with a low around 32. West wind 0 to 7 mph.
7-day forecast for Muddy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 32°F | Clear | 0 to 7 mph W | 0% |
| Wednesday | 51°F | Sunny | 0 to 6 mph NNW | 0% |
| Wednesday Night | 33°F | Patchy Fog | 0 to 3 mph NNE | 0% |
| Thursday | 56°F | Sunny | 2 mph WNW | 0% |
| Thursday Night | 36°F | Partly Cloudy | 2 mph NW | 1% |
| Friday | 54°F | Sunny | 1 to 5 mph WSW | 2% |
| Friday Night | 39°F | Partly Cloudy | 2 mph WSW | 8% |
| Saturday | 57°F | Sunny | 1 to 6 mph W | 2% |
| Saturday Night | 39°F | Mostly Clear | 2 mph SSW | 0% |
| Sunday | 65°F | Mostly Sunny | 2 mph SW | 0% |
| Sunday Night | 41°F | Partly Cloudy | 1 mph W | 0% |
| Monday | 57°F | Mostly Sunny | 0 to 3 mph N | 2% |
| Monday Night | 40°F | Mostly Cloudy | 2 mph E | 2% |
| Tuesday | 60°F | Mostly Sunny | 0 to 3 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Muddy (45.580, -106.775). Updated through the day.
Growing snapshot for Muddy
Last spring frost
May 23
First fall frost
Sep 15
Growing season
113 days
Hardiness zone
5a
More local growing data for Muddy: nearby ZIP 59043 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Busby, Mt (13.7 mi from Muddy). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.