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

Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

White Pass (TWHIT)

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

unknown precip

39°F

4°C

Humidity 88%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility 1.24 mi
Last update 20 May 11:45 PM PDT
Extended Forecast for

6 Miles SSW Chinook Pass WA

  • Overnight

    Overnight: Mostly clear, with a low around 43. Light north wind.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Light and variable wind.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45. Light north northeast wind.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 73. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 73 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 43. Light north wind.
Thursday
Sunny, with a high near 72. Light and variable wind.
Thursday Night
Mostly clear, with a low around 45. Light north northeast wind.
Friday
Sunny, with a high near 73. Calm wind becoming west southwest around 6 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 45. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Partly sunny, with a high near 64.
Sunday Night
A chance of rain after 11pm, mixing with snow after 2am. Mostly cloudy, with a low around 42.
Memorial Day
A chance of rain and snow before 11am, then rain likely. Mostly cloudy, with a high near 51.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 39.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 56.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Wednesday
A chance of rain. Mostly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SSW Chinook Pass WA
 46.79°N 121.54°W (Elev. 3232 ft)
Last Update:
11:26 pm PDT May 20, 2026
Forecast Valid:
12am PDT May 21, 2026-6pm PDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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