Weather Warnings for Oregon

Issued by the National Weather Service

Current watches, warnings, and advisories for Oregon
Alerts Updated: April 18, 2026, 9:43 am  UTC


Frost Advisory issued April 18 at 2:43AM PDT until April 18 at 8:00AM PDT by NWS Portland OR

Summary: * WHAT...Temperatures as low as 34 to 36 degrees will result in frost formation. * WHERE...South Willamette Valley. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
Severity:  Minor    Effective:  April 18, 2026, 2:43 am      Expires:  April 18, 2026, 8:00 am
Area:  Benton County Lowlands; Linn County Lowlands; Lane County Lowlands


Frost Advisory issued April 18 at 2:43AM PDT until April 18 at 8:00AM PDT by NWS Portland OR

Summary: * WHAT...Temperatures as low as 34 to 36 degrees will result in frost formation. * WHERE...Upper Hood River Valley. * WHEN...Until 8 AM PDT this morning. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. * ADDITIONAL DETAILS...The greatest risk for frost formation will be in areas above 1500 feet.
Severity:  Minor    Effective:  April 18, 2026, 2:43 am      Expires:  April 18, 2026, 8:00 am
Area:  Upper Hood River Valley


Freeze Warning issued April 17 at 10:00PM MDT until April 18 at 10:00AM MDT by NWS Boise ID

Summary: * WHAT...Sub-freezing temperatures as low as 25 to 30. * WHERE...The Snake River Plain of southeast Oregon and southwest Idaho. * WHEN...Until 10 AM MDT /9 AM PDT/ Saturday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Severity:  Moderate    Effective:  April 17, 2026, 10:00 pm      Expires:  April 18, 2026, 10:00 am
Area:  Lower Treasure Valley; Upper Treasure Valley; Western Magic Valley; Oregon Lower Treasure Valley