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 >
| NWS Forecast for: Cascade Locks OR Issued by: National Weather Service Portland, OR Last Update: 1:41 am PDT Mar 21, 2026 |  |
| Overnight: A 50 percent chance of rain, mainly before 5am. Mostly cloudy, with a low around 39. West southwest wind around 7 mph. Saturday: Sunny, with a high near 51. West southwest wind 7 to 9 mph, with gusts as high as 20 mph. Saturday Night: Areas of frost after 1am. Otherwise, clear, with a low around 33. Southwest wind 5 to 7 mph becoming calm in the evening. Sunday: Widespread frost, mainly before 7am. Otherwise, mostly sunny, with a high near 58. Light and variable wind. Sunday Night: Partly cloudy, with a low around 38. Light and variable wind. Monday: Partly sunny, with a high near 57. Monday Night: A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 44. Tuesday: Rain. Cloudy, with a high near 55. Tuesday Night: Rain. Mostly cloudy, with a low around 41. Breezy. Wednesday: Rain. Cloudy, with a high near 52. Breezy. Wednesday Night: Rain and snow likely. Snow level 3600 feet lowering to 2300 feet after midnight . Mostly cloudy, with a low around 34. Breezy. Thursday: A chance of rain and snow. Snow level 2000 feet rising to 3100 feet in the afternoon. Partly sunny, with a high near 52. Thursday Night: Mostly clear, with a low around 34. Friday: Sunny, with a high near 57. | |
| Cascade Locks OR 45.66°N 121.87°W (Elev. 732 ft) | |
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