Plevna, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Plevna, a town in Fallon County, Montana.
Overnight
56°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Cloudy, with a low around 56. East wind around 5 mph. Chance of precipitation is 50%.
7-day forecast for Plevna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Scattered Showers And Thunderstorms | 5 mph E | 49% |
| Saturday | 64°F | Showers And Thunderstorms | 6 to 12 mph E | 78% |
| Saturday Night | 50°F | Showers And Thunderstorms | 13 mph E | 87% |
| Sunday | 60°F | Rain Showers | 15 mph ESE | 87% |
| Sunday Night | 48°F | Chance Rain Showers then Mostly Cloudy | 8 to 13 mph ESE | 25% |
| Monday | 68°F | Partly Sunny | 7 to 14 mph SE | 4% |
| Monday Night | 48°F | Partly Cloudy | 13 to 16 mph SE | 1% |
| Tuesday | 76°F | Sunny | 14 mph SSE | 0% |
| Tuesday Night | 52°F | Mostly Clear | 7 to 15 mph SE | 1% |
| Wednesday | 80°F | Sunny | 8 mph SE | 7% |
| Wednesday Night | 53°F | Partly Cloudy | 5 to 8 mph SE | 7% |
| Thursday | 83°F | Mostly Sunny | 5 to 8 mph SSE | 4% |
| Thursday Night | 55°F | Mostly Clear | 9 mph SE | 2% |
| Friday | 82°F | Mostly Sunny | 8 to 15 mph SE | 2% |
Forecast source: National Weather Service (api.weather.gov) for Plevna (46.422, -104.521). Updated through the day.
Growing snapshot for Plevna
Last spring frost
May 21
First fall frost
Sep 20
Growing season
121 days
Hardiness zone
4a
More local growing data for Plevna: nearby ZIP 59344 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Plevna, Mt (5.7 mi from Plevna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.