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

14 Miles SSW Mossyrock WA

  • Overnight

    Overnight: A slight chance of rain and snow before 3am.  Areas of frost after 4am. Snow level 1900 feet.  Otherwise, mostly cloudy, with a low around 32. Light west northwest wind.  Chance of precipitation is 20%.

    Low: 32 °F

    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: Widespread frost, mainly before 10am.  Otherwise, mostly sunny, with a high near 44. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 44 °F

    Frost then
    Sunny

  • Saturday Night

    Saturday Night: Widespread frost, mainly after 11pm.  Otherwise, mostly cloudy, then gradually becoming clear, with a low around 32. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 32 °F

    Frost

  • Sunday

    Sunday: Mostly sunny, with a high near 48. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Areas of frost after midnight.  Otherwise, mostly cloudy, with a low around 33. North northwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 33 °F

    Partly Cloudy
    then Areas
    Frost

  • Monday

    Monday: Areas of frost before 10am.  Otherwise, partly sunny, with a high near 48.

    High: 48 °F

    Areas Frost
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of rain, mainly after 11pm.  Snow level 3700 feet rising to 4500 feet after midnight. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 48. Breezy.

    High: 48 °F

    Rain and
    Breezy

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 5400 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain

Detailed Forecast

Overnight
A slight chance of rain and snow before 3am. Areas of frost after 4am. Snow level 1900 feet. Otherwise, mostly cloudy, with a low around 32. Light west northwest wind. Chance of precipitation is 20%.
Saturday
Widespread frost, mainly before 10am. Otherwise, mostly sunny, with a high near 44. Calm wind becoming northwest around 6 mph in the afternoon.
Saturday Night
Widespread frost, mainly after 11pm. Otherwise, mostly cloudy, then gradually becoming clear, with a low around 32. Northwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 48. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
Areas of frost after midnight. Otherwise, mostly cloudy, with a low around 33. North northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Areas of frost before 10am. Otherwise, partly sunny, with a high near 48.
Monday Night
A 50 percent chance of rain, mainly after 11pm. Snow level 3700 feet rising to 4500 feet after midnight. Mostly cloudy, with a low around 41.
Tuesday
Rain. Cloudy, with a high near 48. Breezy.
Tuesday Night
Rain. Snow level 5400 feet lowering to 3500 feet after midnight . Mostly cloudy, with a low around 38.
Wednesday
Rain. Snow level 3100 feet. Cloudy, with a high near 46.
Wednesday Night
Rain and snow likely. Snow level 3100 feet lowering to 2200 feet after midnight . Mostly cloudy, with a low around 33.
Thursday
A chance of rain and snow. Snow level rising to 2800 feet in the afternoon. Partly sunny, with a high near 46.
Thursday Night
A slight chance of rain. Snow level 3100 feet lowering to 2200 feet after midnight . Partly cloudy, with a low around 32.
Friday
A slight chance of rain. Snow level 2000 feet rising to 3400 feet in the afternoon. Mostly sunny, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
14 Miles SSW Mossyrock WA
 46.34°N 122.57°W (Elev. 1923 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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