Muddy, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Muddy, a community in Rosebud County, Montana.
Today
74°F
Sunny
Sunny, with a high near 74. North wind around 6 mph.
7-day forecast for Muddy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 6 mph N | 0% |
| Tonight | 53°F | Mostly Clear | 2 to 6 mph ESE | 3% |
| Wednesday | 83°F | Sunny | 2 to 6 mph SW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 1 to 5 mph SSE | 0% |
| Thursday | 91°F | Sunny | 1 to 7 mph WSW | 0% |
| Thursday Night | 62°F | Mostly Clear | 1 to 6 mph ENE | 0% |
| Friday | 93°F | Sunny | 1 to 5 mph SW | 0% |
| Friday Night | 65°F | Mostly Clear | 2 to 6 mph N | 0% |
| Saturday | 92°F | Sunny | 2 to 9 mph WNW | 0% |
| Saturday Night | 66°F | Mostly Clear | 2 to 7 mph ENE | 0% |
| Sunday | 91°F | Mostly Sunny | 1 to 7 mph NNW | 0% |
| Sunday Night | 65°F | Partly Cloudy | 2 to 7 mph ENE | 7% |
| Monday | 89°F | Mostly Sunny | 1 to 9 mph NE | 3% |
| Monday Night | 65°F | Partly Cloudy then Slight Chance Rain Showers | 3 to 8 mph ENE | 18% |
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 Aug 4, 2026.