Severe Thunderstorms in the Central U.S.; Record Temperatures Likely for Eastern U.S.

Several rounds of severe thunderstorms and heavy rain are forecast from the southern Plains to the Midwest through Friday. Large hail, damaging wind gusts, and tornadoes are possible. A significant warm-up is expected for much of the Eastern U.S. into next week. Several daily record temperature records are likely to be broken. Fire weather concerns will return to the central/southern High Plains. Read More >

Current conditions at

CASTLE ROCK (TR950)

Lat: 46.27139°NLon: 122.89194°WElev: 213.0ft.

NA

46°F

8°C

Humidity 100%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 04 Mar 10:09 PM PST
Extended Forecast for

11 Miles NW Mount St Helens WA

  • Tonight

    Tonight: Rain and snow showers likely, becoming all snow after 11pm.  Mostly cloudy, with a low around 31. West northwest wind 9 to 11 mph, with gusts as high as 20 mph.  Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Thursday

    Thursday: Snow showers, mainly before 3pm.  High near 35. West northwest wind around 10 mph, with gusts as high as 18 mph.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow Showers

  • Thursday Night

    Thursday Night: Snow likely before 1am, then rain, possibly mixed with snow.  Snow level rising to 4200 feet after midnight. Low around 34. South wind 3 to 5 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Snow Likely
    then
    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow showers, becoming all rain after 1pm.  Snow level 4700 feet rising to 5400 feet in the afternoon. High near 39. South wind around 6 mph.  Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Friday Night

    Friday Night: Showers.  Low around 39. Light south southwest wind.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers

  • Saturday

    Saturday: Showers.  High near 43. Chance of precipitation is 90%.

    High: 43 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly before 10pm, then rain after 4am.  Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

  • Sunday

    Sunday: Rain before 1pm, then rain and snow.  Snow level 6200 feet lowering to 5600 feet in the afternoon . Cloudy, with a high near 41.

    High: 41 °F

    Rain then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow, becoming all snow after 7pm.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Rain/Snow
    then Snow

Detailed Forecast

Tonight
Rain and snow showers likely, becoming all snow after 11pm. Mostly cloudy, with a low around 31. West northwest wind 9 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Thursday
Snow showers, mainly before 3pm. High near 35. West northwest wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow likely before 1am, then rain, possibly mixed with snow. Snow level rising to 4200 feet after midnight. Low around 34. South wind 3 to 5 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Friday
Rain, possibly mixed with snow showers, becoming all rain after 1pm. Snow level 4700 feet rising to 5400 feet in the afternoon. High near 39. South wind around 6 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Friday Night
Showers. Low around 39. Light south southwest wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers. High near 43. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before 10pm, then rain after 4am. Low around 39. Chance of precipitation is 80%.
Sunday
Rain before 1pm, then rain and snow. Snow level 6200 feet lowering to 5600 feet in the afternoon . Cloudy, with a high near 41.
Sunday Night
Rain and snow, becoming all snow after 7pm. Mostly cloudy, with a low around 32.
Monday
Snow. The snow could be heavy at times. Cloudy, with a high near 33. Breezy.
Monday Night
Snow. Cloudy, with a low around 28.
Tuesday
Snow. Cloudy, with a high near 32.
Tuesday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 29.
Wednesday
Snow. The snow could be heavy at times. Cloudy, with a high near 36. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NW Mount St Helens WA
 46.31°N 122.34°W (Elev. 3691 ft)
10:41 pm PST Mar 4, 2026
10pm PST Mar 4, 2026-6pm PDT Mar 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database