Early Spring Heat Wave in the Southwest U.S.; Critical Fire Weather in the Central Rockies and Plains

An unusual early Spring heat wave will continue much above-normal temperatures over the Southwest U.S. through early next week. Many locations are likely to set records for the highest-ever March temperature. Periods of critical fire weather will persist from the central Rockies to the central Plains through Saturday as gusty winds and low relative humidity continue. Read More >

Current conditions at

White Pass (TWHIT)

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

Rain

44°F

7°C

Humidity 72%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility 1.24 mi
Last update 19 Mar 05:10 AM PDT
Extended Forecast for

4 Miles S Chinook Pass WA

  • Overnight

    Overnight: Rain likely.  Mostly cloudy, with a low around 41. Southwest wind around 11 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Thursday

    Thursday: Rain.  High near 46. Southwest wind around 11 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Thursday Night

    Thursday Night: Rain.  Steady temperature around 45. South southwest wind around 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 45 °F

    Rain

  • Friday

    Friday: Rain.  High near 45. West southwest wind around 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: Rain, possibly mixed with snow showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of snow showers after 2am.  Low around 28. West wind 11 to 13 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A 40 percent chance of snow showers.  Partly sunny, with a high near 37. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of snow showers before 11pm.  Mostly clear, with a low around 23.

    Low: 23 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain likely. Mostly cloudy, with a low around 41. Southwest wind around 11 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain. High near 46. Southwest wind around 11 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Steady temperature around 45. South southwest wind around 11 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Rain. High near 45. West southwest wind around 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain, possibly mixed with snow showers before 11pm, then a chance of rain and snow showers between 11pm and 2am, then a chance of snow showers after 2am. Low around 28. West wind 11 to 13 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow showers. Partly sunny, with a high near 37. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow showers before 11pm. Mostly clear, with a low around 23.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
A slight chance of snow showers after 11am. Mostly cloudy, with a high near 48.
Monday Night
Rain and snow. Mostly cloudy, with a low around 36.
Tuesday
Rain and snow. Cloudy, with a high near 42.
Tuesday Night
Rain and snow. Mostly cloudy, with a low around 28.
Wednesday
Snow. Cloudy, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Chinook Pass WA
 46.82°N 121.52°W (Elev. 4334 ft)
3:02 am PDT Mar 19, 2026
5am PDT Mar 19, 2026-6pm PDT Mar 25, 2026
 
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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