Medicine Lake, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Medicine Lake, a town in Sheridan County, Montana.
Today
73°F
Sunny
Sunny, with a high near 73. West northwest wind around 13 mph, with gusts as high as 22 mph.
7-day forecast for Medicine Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 13 mph WNW | 0% |
| Tonight | 47°F | Mostly Clear | 3 to 10 mph WSW | 2% |
| Wednesday | 82°F | Partly Sunny | 8 to 16 mph WSW | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 3 to 13 mph WSW | 2% |
| Thursday | 87°F | Sunny | 3 to 10 mph W | 1% |
| Thursday Night | 53°F | Mostly Clear | 6 to 10 mph N | 1% |
| Friday | 84°F | Sunny | 6 mph NE | 0% |
| Friday Night | 53°F | Mostly Clear | 7 to 12 mph ENE | 4% |
| Saturday | 86°F | Mostly Sunny | 8 to 13 mph NE | 1% |
| Saturday Night | 55°F | Partly Cloudy | 9 to 15 mph NE | 2% |
| Sunday | 85°F | Partly Sunny | 9 to 15 mph ENE | 7% |
| Sunday Night | 55°F | Slight Chance Showers And Thunderstorms | 10 to 16 mph ENE | 24% |
| Monday | 82°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 12 to 15 mph ENE | 17% |
| Monday Night | 54°F | Partly Cloudy then Chance Showers And Thunderstorms | 10 to 16 mph ENE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Medicine Lake (48.502, -104.502). Updated through the day.
Growing snapshot for Medicine Lake
Last spring frost
May 16
First fall frost
Sep 18
Growing season
125 days
Hardiness zone
3b
More local growing data for Medicine Lake: nearby ZIP 59247 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Medicine Lake 3 Se, Mt (4 mi from Medicine Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.