Welcome Lake Weather Forecast
- 46
- 63
Decreasing Clouds
- 39
- 65
Chance Rain Showers
- 44
- 64
Mostly Sunny
- 44
- 70
Breezy
- 36
- 59
Chance Rain/Snow
- 32
- 45
Rain/Snow Likely
Today 28 May Western Lemhi County
Mostly sunny. Highs in the upper 70s to mid 80s.
Tonight 28 May Western Lemhi County
Mostly cloudy in the evening then clearing. Lows in the 50s.
Welcome Lake Temperature Statistics
May Temperature
Salmon, Lemhi County Airport (34.2 miles)
Lowest 1 May, 2025
29.8 °FAverage May
54.1 °FHighest 10 May, 2025
86 °F
Climate (2020–Present)
Salmon, Lemhi County Airport (34.2 miles)
Average Low 2020–2025
32.2 °FAverage 2020–2025
45.3 °FAverage High 2020–2025
58 °F