10/21/2026 8:55:00 PM until 10/22/2026 1:00:00 AM

The combination of clear skies and calm winds will yield overnight temperatures falling into the mid 30s in valley locations that are away from rivers and lakes, primarily across the higher elevations. This will result in the potential for some patchy frost development. Cold-sensitive vegetation may be damaged. Take steps now to protect tender plants from the cold.