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

47°F

8°C

Humidity 92%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 21 Mar 01:09 AM PDT
Extended Forecast for

17 Miles S Mossyrock WA

  • Overnight

    Overnight: A slight chance of rain and snow before 3am.  Areas of frost after 4am.  Otherwise, mostly cloudy, with a low around 31. North northwest wind 3 to 5 mph.  Chance of precipitation is 20%.

    Low: 31 °F

    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: Widespread frost, mainly before 10am.  Otherwise, mostly sunny, with a high near 42. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 42 °F

    Frost then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 10pm.  Otherwise, mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 30 °F

    Frost

  • Sunday

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

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Widespread frost, mainly after 2am.  Otherwise, mostly cloudy, with a low around 32. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 32 °F

    Frost

  • Monday

    Monday: Widespread frost, mainly before 9am.  Otherwise, mostly cloudy, with a high near 47.

    High: 47 °F

    Frost then
    Mostly Cloudy

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Snow level 3800 feet rising to 4500 feet after midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 46. Breezy.

    High: 46 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 5500 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain

Detailed Forecast

Overnight
A slight chance of rain and snow before 3am. Areas of frost after 4am. Otherwise, mostly cloudy, with a low around 31. North northwest wind 3 to 5 mph. Chance of precipitation is 20%.
Saturday
Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 42. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 30. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 47. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Widespread frost, mainly after 2am. Otherwise, mostly cloudy, with a low around 32. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Widespread frost, mainly before 9am. Otherwise, mostly cloudy, with a high near 47.
Monday Night
Rain likely, mainly after 11pm. Snow level 3800 feet rising to 4500 feet after midnight. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Tuesday
Rain. Cloudy, with a high near 46. Breezy.
Tuesday Night
Rain. Snow level 5500 feet lowering to 3600 feet after midnight . Mostly cloudy, with a low around 36.
Wednesday
Rain and snow, becoming all rain after 11am. Snow level 3100 feet. Cloudy, with a high near 44.
Wednesday Night
Rain and snow likely. Snow level 3100 feet lowering to 2400 feet after midnight . Mostly cloudy, with a low around 32.
Thursday
A chance of rain and snow. Partly sunny, with a high near 44.
Thursday Night
A slight chance of rain. Snow level 3100 feet lowering to 2400 feet after midnight . Partly cloudy, with a low around 31.
Friday
A slight chance of rain and snow. Snow level rising to 3400 feet in the afternoon. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles S Mossyrock WA
 46.28°N 122.55°W (Elev. 2382 ft)
2:01 am PDT Mar 21, 2026
2am PDT Mar 21, 2026-6pm PDT Mar 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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