Data source: National Weather Service (NWS) Last verified: June 3, 2026

Winter Weather

Frost Advisory (ADVISORY) — expires June 3, 2026 at 8:00 PM EDT

Areas affected: North Central and Southeast Siskiyou County; Northeast Siskiyou and Northwest Modoc Counties; Modoc County; Klamath Basin; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County

Frost Advisory issued June 3 at 4:55AM PDT until June 4 at 8:00AM PDT by NWS Medford OR

• WHAT...Temperatures of 33 to 36 degrees will result in frost formation.

• WHERE...Valleys in Klamath, Lake, eastern Siskiyou and Modoc counties and higher terrain such as the Winter Rim. This includes areas in and around Klamath Falls, Lakeview and Alturas. Localized colder temperatures down to freezing are expected near Silver Lake and Chemult.

• WHEN...From 3 AM to 8 AM PDT Thursday.

• IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

What to do: Take steps now to protect tender plants from the cold.

Source: NWS Medford OR

Source

Alert data provided by the National Weather Service (NWS). This page shows active alerts only and is refreshed daily. For real-time updates, visit weather.gov.