National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Thunderstorms and Heavy Rainfall in the Southeast, Montana, and Iowa; Lowell Begins to Impact Hawaii

Strong thunderstorms with damaging winds and heavy rain are expected across portions of the Southeast. Thunderstorms may produce large hail across portions of Montana. Heavy rainfall could produce flash flooding across Iowa and vulnerable areas in Utah. Lowell will bring heavy rain, dangerous swells and rip currents to portions of Hawaii. Sweltering heat persists across the South-Central US. Read More >

Current conditions at

White Pass (TWHIT)

Lat: 46.638°NLon: 121.39°WElev: 4498.0ft.

unknown precip

50°F

10°C

Humidity 81%
Wind Speed SW 2 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility 1.24 mi
Last update 06 Sep 05:15 PM PDT
Extended Forecast for

White Pass WA

  • This Afternoon

    This Afternoon: A 40 percent chance of rain. Cloudy, with a steady temperature around 50. Light west wind.

    High: 50 °F

    Chance Rain

  • Tonight

    Tonight: A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 42. West wind 3 to 8 mph.

    Low: 42 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 53. West wind around 8 mph.

    High: 53 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. West wind around 6 mph becoming light and variable in the evening.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 66. North wind around 5 mph becoming calm in the morning.

    High: 66 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain. Cloudy, with a steady temperature around 50. Light west wind.
Tonight
A 10 percent chance of rain before 7pm. Mostly cloudy, with a low around 42. West wind 3 to 8 mph.
Labor Day
Partly sunny, with a high near 53. West wind around 8 mph.
Monday Night
Partly cloudy, with a low around 39. West wind around 6 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 66. North wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 55.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Saturday
A slight chance of rain. Mostly sunny, with a high near 56.
Saturday Night
Mostly clear, with a low around 42.
Sunday
A slight chance of rain. Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
White Pass WA
 46.64°N 121.4°W (Elev. 4623 ft)
Last Update:
3:20 pm PDT Sep 6, 2026
Forecast Valid:
5pm PDT Sep 6, 2026-6pm PDT Sep 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation