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

46°F

8°C

Humidity 87%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility 1.24 mi
Last update 20 May 09:15 PM PDT
Extended Forecast for

5 Miles NNE Chinook Pass WA

  • Tonight

    Tonight: Partly cloudy, with a low around 35. Northwest wind 6 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 59. East wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 38. Northwest wind 5 to 14 mph, with gusts as high as 26 mph.

    Low: 38 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60. Light west northwest wind becoming northwest 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of rain after 5am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. Northwest wind 6 to 11 mph becoming east after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 59. East wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.
Thursday Night
Mostly clear, with a low around 38. Northwest wind 5 to 14 mph, with gusts as high as 26 mph.
Friday
Sunny, with a high near 60. Light west northwest wind becoming northwest 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 38. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Partly cloudy, with a low around 37.
Sunday
Mostly sunny, with a high near 57.
Sunday Night
A chance of rain after 5am. Mostly cloudy, with a low around 36.
Memorial Day
Rain likely, possibly mixed with snow, mainly after 5pm. Mostly cloudy, with a high near 47.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 32.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 46.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 35.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNE Chinook Pass WA
 46.93°N 121.46°W (Elev. 6322 ft)
Last Update:
12:25 pm PDT May 20, 2026
Forecast Valid:
9pm PDT May 20, 2026-6pm PDT May 27, 2026
 
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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