Mount St Helens Weather Forecast
- 31
- 46
Chance Rain/Snow
- 26
- 37
Chance Snow Showers
- 25
- 30
Snow Showers Likely
- 23
- 31
Slight Chance Snow Showers
- 26
- 39
Mostly Sunny
- 30
- 45
Mostly Sunny
Today 18 Apr South Washington Cascades
Sunny. Free air freezing level 8000 Feet, increasing to free air freezing level 9000 feet this afternoon. Winds Light, becoming southwest 5 to 10 Mph this afternoon.
Tonight 18 Apr South Washington Cascades
Partly cloudy in the Evening, then mostly cloudy with a slight chance of rain Showers after midnight. Snow level 5500 feet. Northwest wind 5 to 10 Mph. Chance of rain 20 percent.