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Severe Weather and Excessive Rain from the Southern Plains into the Mississippi Valley

Severe thunderstorms may produce tornadoes, some strong, damaging wind gusts above 70 mph, and very large hail exceeding 2 inches in diameter, and intense rainfall that may cause flash flooding tonight across much of the southern Plains and lower Missouri Valley. The severe thunderstorms and excessive rainfall will expand from east Texas into the Mississippi Valley on Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

light rain,mist

2°C

36°F

Humidity 92%
Wind Speed WNW 4 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 1°C (34°F)
Visibility 10 km
Wind Chill1°C (33°F)
Last update 28 Apr 03:30 AM PDT
Extended Forecast for

Snoqualmie Pass WA

Winter Weather Advisory April 28, 11:00pm until April 29, 11:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Overnight

    Overnight: Rain showers before 5am, then rain, possibly mixed with snow showers. Low around 3. West wind around 11 km/h. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Rain/Snow

    Low: 3 °C

  • Sunday

    Sunday: Rain and snow showers. Some thunder is also possible. High near 6. West wind 11 to 16 km/h. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Rain/Snow

    High: 6 °C

  • Sunday
    Night

    Sunday Night: Rain and snow showers, becoming all snow after 8pm. Some thunder is also possible. Low around 0. West wind 13 to 16 km/h. Chance of precipitation is 100%. New snow accumulation of 1 to 3 centimeters possible.

    Rain/Snow
    then Snow
    Showers

    Low: 0 °C

  • Monday

    Monday: Snow showers before 5pm, then rain and snow showers. Some thunder is also possible. High near 4. West wind 13 to 16 km/h. Chance of precipitation is 90%. New snow accumulation of 2 to 4 centimeters possible.

    Snow Showers
    then
    Rain/Snow

    High: 4 °C

  • Monday
    Night

    Monday Night: Snow showers, possibly mixed with rain, becoming all snow after 11pm. Some thunder is also possible. Low around 0. Northwest wind 8 to 14 km/h. Chance of precipitation is 80%. New snow accumulation of 1 to 2 centimeters possible.

    Rain/Snow
    then Snow
    Showers
    Likely

    Low: 0 °C

  • Tuesday

    Tuesday: Snow showers likely before 11am, then rain and snow showers between 11am and 2pm, then rain showers after 2pm. High near 6. Chance of precipitation is 80%. New snow accumulation of less than a half centimeter possible.

    Rain/Snow

    High: 6 °C

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around -1.

    Chance
    Showers then
    Mostly Cloudy

    Low: -1 °C

  • Wednesday

    Wednesday: A 20 percent chance of showers after 11am. Partly sunny, with a high near 9.

    Slight Chance
    Showers

    High: 9 °C

  • Wednesday
    Night

    Wednesday Night: A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 2.

    Chance
    Showers

    Low: 2 °C

Detailed Forecast

Overnight
Rain showers before 5am, then rain, possibly mixed with snow showers. Low around 3. West wind around 11 km/h. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Rain and snow showers. Some thunder is also possible. High near 6. West wind 11 to 16 km/h. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain and snow showers, becoming all snow after 8pm. Some thunder is also possible. Low around 0. West wind 13 to 16 km/h. Chance of precipitation is 100%. New snow accumulation of 1 to 3 centimeters possible.
Monday
Snow showers before 5pm, then rain and snow showers. Some thunder is also possible. High near 4. West wind 13 to 16 km/h. Chance of precipitation is 90%. New snow accumulation of 2 to 4 centimeters possible.
Monday Night
Snow showers, possibly mixed with rain, becoming all snow after 11pm. Some thunder is also possible. Low around 0. Northwest wind 8 to 14 km/h. Chance of precipitation is 80%. New snow accumulation of 1 to 2 centimeters possible.
Tuesday
Snow showers likely before 11am, then rain and snow showers between 11am and 2pm, then rain showers after 2pm. High near 6. Chance of precipitation is 80%. New snow accumulation of less than a half centimeter possible.
Tuesday Night
A 30 percent chance of showers before 11pm. Mostly cloudy, with a low around -1.
Wednesday
A 20 percent chance of showers after 11am. Partly sunny, with a high near 9.
Wednesday Night
A 30 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 2.
Thursday
A chance of showers. Partly sunny, with a high near 8.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 2.
Friday
A chance of showers. Mostly sunny, with a high near 13.
Friday Night
A chance of showers. Partly cloudy, with a low around 4.
Saturday
A chance of showers. Partly sunny, with a high near 13.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.41°W (Elev. 857 m)
Last Update:
3:30 am PDT Apr 28, 2024
Forecast Valid:
3am PDT Apr 28, 2024-6pm PDT May 4, 2024
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation