Fort Owen State Park Weather Forecast
- 28
- 56
Chance Rain
- 29
- 56
Partly Sunny
- 36
- 62
Mostly Cloudy
- 40
- 61
Chance Rain
- 30
- 57
Chance Rain
- 24
- 51
Partly Sunny
Today 21 Mar Missoula/Bitterroot Valleys
Areas of rain early in the Morning, then rain likely late in the morning. Slight chance of rain early in the afternoon. Chance of rain 90 percent. Cooler. Highs in the lower to mid 50s. West Winds to 15 Mph with Gusts to around 30 Mph in the afternoon.
Tonight 21 Mar Missoula/Bitterroot Valleys
Mostly clear. Lows near 30. West Winds to 15 Mph with Gusts to around 30 Mph.
Fort Owen State Park Temperature Statistics
March Temperature
Missoula, Missoula International Airport (27.3 miles)
Lowest 15 March, 2026
17.7 °FAverage March
38.7 °FHighest 19 March, 2026
68 °F
Climate (2021–Present)
Missoula, Missoula International Airport (27.3 miles)
Average Low 2021–2026
36 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
59.7 °F