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

43°F

6°C

Humidity 89%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility 1.24 mi
Last update 20 May 10:00 PM PDT
Extended Forecast for

4 Miles NNW Chinook Pass WA

  • Tonight

    Tonight: Partly cloudy, with a low around 38. North northwest wind around 5 mph becoming calm in the evening.

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 67. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41. North northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.

    Low: 41 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Calm wind becoming 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 41. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.

    Low: 41 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A slight chance of rain after 11pm. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Partly cloudy, with a low around 38. North northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 67. Calm wind becoming north 5 to 8 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 41. North northwest wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Friday
Sunny, with a high near 68. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 41. Northwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 63.
Sunday Night
A slight chance of rain after 11pm. Mostly cloudy, with a low around 37.
Memorial Day
Rain and snow likely, becoming all rain after 2pm. Mostly cloudy, with a high near 50.
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 51.
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 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Chinook Pass WA
 46.92°N 121.55°W (Elev. 3245 ft)
Last Update:
12:25 pm PDT May 20, 2026
Forecast Valid:
10pm PDT May 20, 2026-6pm PDT May 27, 2026
 
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Additional Resources

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Chance of Precipitation