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

47°F

8°C

Humidity 82%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility 1.24 mi
Last update 20 May 08:45 PM PDT
Extended Forecast for

Chinook Pass WA

  • Tonight

    Tonight: Partly cloudy, with a low around 40. North wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. North northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. North wind 5 to 8 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 67. Light and variable wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 42. North northwest wind 3 to 8 mph. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 68. Calm wind becoming west northwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 43. Northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Mostly cloudy, with a low around 39.
Memorial Day
Rain likely, mainly after 11am. Mostly cloudy, with a high near 49.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 34.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 51.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 37.
Wednesday
A slight chance of rain. Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chinook Pass WA
 46.86°N 121.53°W (Elev. 3973 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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Chance of Precipitation