Heart Lake Weather Forecast
- 38
- 54
Becoming Sunny
- 43
- 61
Sunny
- 36
- 61
Rain Likely
- 34
- 39
Rain Likely
- 34
- 46
Slight Chance Rain
- 40
- 56
Mostly Sunny
- 44
- 63
Partly Sunny
Today 1 May Lower Clark Fork Region
Mostly sunny. Highs in the mid 60s to lower 70s.
Tonight 1 May Lower Clark Fork Region
Mostly clear. Lows in the upper 30s to mid 40s.
Heart Lake Temperature Statistics
May Temperature
Missoula, Missoula International Airport (41 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Missoula, Missoula International Airport (41 miles)
Average Low 2020–2025
35.4 °FAverage 2020–2025
46.8 °FAverage High 2020–2025
58.9 °F