Weather Alerts For Diamond Lake, OR

URGENT - WINTER WEATHER MESSAGE National Weather Service Medford OR 540 PM PST Sat Dec 20 2025 South Central Oregon Cascades-Siskiyou Mountains and Southern Oregon Cascades- Including the following locations...Diamond Lake and Crater Lake 540 PM PST Sat Dec 20 2025 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM SUNDAY TO 4 AM PST MONDAY... * WHAT...Wet snow expected. Total snow accumulations 4 to 10 inches. Winds gusting as high as 40 mph over high and exposed terrain. * WHERE...Elevations above 6000 feet in the southern Oregon Cascades north of Mt. McLoughlin during Sunday, then above 5000 feet during Sunday night. This also includes the following passes or notable locations...Diamond Lake, Crater Lake National Park, Willamette Pass, and portions of highways 62, 138, 230, and 58. * WHEN...From 4 AM Sunday to 4 AM PST Monday. * IMPACTS...Roads, and especially bridges and overpasses, may become slick and hazardous, and visibility will be limited at times. Plan on slippery road conditions and potential delays. * ADDITIONAL DETAILS...Those traveling near Diamond Lake and Willamette Pass can expect several inches of snow during Sunday night. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. Call 511 or visit tripcheck.com for road information. &&