Weather Alerts For Crater Lake Natl Park, OR

# HEADLINE -------------------- FROST ADVISORY REMAINS IN EFFECT FROM 2 AM TO 7 AM PDT THURSDAY FREEZE WARNING HAS EXPIRED # SUMMARY -------------------- Northern and Eastern Klamath County and Western Lake County- Including the following locations...Chemult, Sprague River, Crescent, Gilchrist, Bly, and Beatty 813 AM PDT Wed Jun 10 2026 # DETAILS -------------------- WHAT For the Frost Advisory, temperatures of 33 to 36 degrees will result in frost formation. Some colder locations like around Klamath Marsh, Chemult and portions of the Christmas Valley could have lows around or just below freezing Thursday morning. WHERE Northern and Eastern Klamath County and Western Lake County, including Chemult, Crescent, Sprague River, Bly, and Winter Rim. WHEN From 2 AM to 7 AM PDT Thursday. IMPACTS Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. ISSUED AT Wednesday, June 10, 2026 at 8:13 AM PDT ISSUED BY National Weather Service Medford OR HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold.

Pollen Index: 8.4 Pollen Level: medium-high Predominant Pollen: Grass, Cedar/Juniper and Hickory/Pecan. Concentration of pollen grains in the air for Thursday will be unchanged in the high range. Constant and seasonally normal weather conditions tend to stabilize pollen concentrations in the outdoor air.