Lavina, MT Weather & Growing Conditions
Tonight
53°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms. Cloudy. Low around 53, with temperatures rising to around 55 overnight. North wind 7 to 12 mph. Chance of precipitation is 100%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 7 to 12 mph N | 96% |
| Saturday | 59°F | Showers And Thunderstorms | 13 to 16 mph NNE | 94% |
| Saturday Night | 50°F | Showers And Thunderstorms | 9 to 13 mph N | 89% |
| Sunday | 63°F | Rain Showers Likely | 7 mph N | 67% |
| Sunday Night | 47°F | Mostly Cloudy | 1 to 7 mph E | 6% |
| Monday | 73°F | Mostly Sunny | 2 to 7 mph SSW | 0% |
| Monday Night | 48°F | Mostly Clear | 1 to 7 mph SW | 0% |
| Tuesday | 79°F | Mostly Sunny | 6 mph WSW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 5 mph WNW | 3% |
| Wednesday | 79°F | Sunny | 6 mph WSW | 3% |
| Wednesday Night | 50°F | Mostly Clear | 5 mph WSW | 3% |
| Thursday | 78°F | Sunny | 6 mph SW | 1% |
| Thursday Night | 50°F | Mostly Clear | 2 to 7 mph E | 2% |
| Friday | 79°F | Mostly Sunny | 3 to 7 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lavina, MT
Last spring frost
May 22
First fall frost
Sep 15
Growing season
114 days
Hardiness zone
4b
Explore more for Lavina, MT: full frost dates · planting calendar · Montana frost dates
Climate data from the nearest NOAA station, Roundup 15 Sw, Mt (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.