Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Current conditions at

CASTLE ROCK (TR950)

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

NA

56°F

13°C

Humidity 43%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 21 Mar 03:09 PM PDT
Extended Forecast for

17 Miles S Mossyrock WA

  • This Afternoon

    This Afternoon: Sunny, with a high near 42. West northwest wind around 8 mph.

    High: 42 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 10pm.  Otherwise, mostly clear, with a low around 31. Northwest wind around 6 mph becoming calm  in the evening.

    Low: 31 °F

    Frost

  • Sunday

    Sunday: Mostly sunny, with a high near 47. Calm wind becoming north 5 to 7 mph in the afternoon.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 3am.  Otherwise, mostly cloudy, with a low around 33. North wind 5 to 8 mph becoming calm  in the evening.

    Low: 33 °F

    Mostly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost, mainly before 8am.  Otherwise, partly sunny, with a high near 48. Light and variable wind.

    High: 48 °F

    Frost then
    Mostly Cloudy

  • Monday Night

    Monday Night: Showers likely after 11pm.  Snow level 4000 feet. Cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers.  High near 45. Breezy.  Chance of precipitation is 100%.

    High: 45 °F

    Showers and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain before 2am, then snow, possibly mixed with rain.  Snow level 6000 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 8am.  Snow level 3100 feet. Cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow
    then Rain

Detailed Forecast

This Afternoon
Sunny, with a high near 42. West northwest wind around 8 mph.
Tonight
Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 31. Northwest wind around 6 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 47. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunday Night
Widespread frost, mainly after 3am. Otherwise, mostly cloudy, with a low around 33. North wind 5 to 8 mph becoming calm in the evening.
Monday
Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 48. Light and variable wind.
Monday Night
Showers likely after 11pm. Snow level 4000 feet. Cloudy, with a low around 41. Chance of precipitation is 60%.
Tuesday
Showers. High near 45. Breezy. Chance of precipitation is 100%.
Tuesday Night
Rain before 2am, then snow, possibly mixed with rain. Snow level 6000 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 37.
Wednesday
Rain and snow, becoming all rain after 8am. Snow level 3100 feet. Cloudy, with a high near 43.
Wednesday Night
Rain likely before 8pm, then rain and snow likely between 8pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 32.
Thursday
A chance of rain and snow. Partly sunny, with a high near 46.
Thursday Night
A slight chance of rain. Snow level 3000 feet lowering to 2400 feet after midnight . Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Mossyrock WA
 46.28°N 122.55°W (Elev. 2382 ft)
3:41 pm PDT Mar 21, 2026
3pm PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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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