Freeze Warning: Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington

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Freeze Warning — Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington Severity: Severe. Certainty: Likely. * WHAT...Sub-freezing temperatures as low as 30 expected. * WHERE...Foothills of the Blue Mountains of Oregon and Washington, Lower Columbia Basin of Oregon and Washington, North Central Oregon, Kittitas Valley, and Yakima Valley. * WHEN...From 11 PM this evening to 9 AM PDT Tuesday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.