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Soliciting feedback on the Experimental Probabilistic Quantitative Precipitation Forecast (PQPF) Webpages through November 21, 2025

Current conditions at

Mt. St. Helens - Coldwater (MSH33)

Lat: 46.30333°NLon: 122.26503°WElev: 3260.0ft.

57°F

14°C

Humidity	73%
Wind Speed	E 0 MPH
Barometer	NA
Dewpoint	48°F (9°C)
Visibility	NA
Last update	29 Sep 12:00 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles ESE Mount St Helens WA

Tonight
Low: 45 °F
Chance
Showers
Tuesday
High: 56 °F
Mostly Sunny
then Showers
Tuesday Night
Low: 47 °F
Showers
Wednesday
High: 51 °F
Showers
Wednesday Night
Low: 46 °F
Showers
Thursday
High: 51 °F
Showers
Thursday Night
Low: 45 °F
Chance
Showers then
Mostly Cloudy
Friday
High: 57 °F
Slight Chance
Showers
Friday Night
Low: 45 °F
Chance
Showers

Detailed Forecast

Tonight

A chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly cloudy, with a low around 45. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers, mainly after 3pm. High near 56. South wind 6 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday Night

Showers, with thunderstorms also possible after 11pm. Low around 47. South wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

Wednesday

Showers, with thunderstorms also possible after 2pm. High near 51. South wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers. Low around 46. South wind 6 to 8 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

Thursday

Showers, with thunderstorms also possible after 11am. High near 51. Chance of precipitation is 80%.

Thursday Night

A 50 percent chance of showers before 11pm. Mostly cloudy, with a low around 45.

Friday

A slight chance of showers. Mostly sunny, with a high near 57.

Friday Night

A chance of showers, mainly after 11pm. Mostly cloudy, with a low around 45.

Saturday

A chance of showers, mainly before 11am. Partly sunny, with a high near 54.

Saturday Night

A slight chance of showers. Mostly cloudy, with a low around 43.