St Mary Weather Forecast
- 36
- 55
Rain
- 32
- 47
Rain
- 33
- 49
Rain Likely
- 36
- 55
Rain Showers Likely
- 43
- 65
Mostly Sunny
- 47
- 72
Partly Sunny
- 47
- 72
Slight Chance Thunderstorms
Today 20 Jun East Glacier Park Region
Cooler. Rain late in the Morning, then rain Showers and slight chance of Thunderstorms in the afternoon. Rain may be heavy at Times late in the morning. Near steady temperature in the mid 40s. Northeast Winds 10 to 15 Mph. Chance of precipitation near 100 percent.
Tonight 20 Jun East Glacier Park Region
Breezy, Colder. Rain Showers and slight chance of Thunderstorms in the Evening, then rain Showers, snow and slight chance of Thunderstorms after midnight. Snow may be heavy at Times after midnight. Snow accumulation up to 2 Inches. Lows 30 to 40. Northwest Winds 5 to 15 Mph increasing to west 15 to 25 Mph with Gusts to around 45 Mph after midnight. Chance of precipitation near 100 percent.
St Mary Temperature Statistics
June Temperature
Kalispell, Glacier Park International Airport (48.5 miles)
Lowest 3 June, 2025
33.7 °FAverage June
62.9 °FHighest 9 June, 2025
91.7 °F
Climate (2020–Present)
Kalispell, Glacier Park International Airport (48.5 miles)
Average Low 2020–2025
32.9 °FAverage 2020–2025
45 °FAverage High 2020–2025
56.7 °F