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Summerville, OR Warnings, Watches and Advisories

SAFETY and DATA MESSAGE

Do not drive vehicles through flooded areas. The water depth or fast flowing water/mud/debris from a flash flood will make road conditions unsafe. Do not rely soley on data presented here or other third-party websites - always check your official national and local weather service agency website, socials, radio and/or TV stations for making critical decisions related to weather events.

Please carefully read each posted Warning and Alert as it relates to the area(s) being affected. We may provide a wider range of issued severe weather warnings for surrounding cities and counties, so some alerts may not directly impact this location. This is done to help with preparing for severe weather that may overlap or be heading towards Summerville.

Use the Radar Maps link provided to understand the trajectory of a storm.

NWS Active Alerts for OR - Map View

State: OR Total alerts: 17 Updated: Apr 15, 2026 7:29pm PDT

Freeze Warning

Area
Lower Treasure Valley; Upper Treasure Valley; Western Magic Valley; Oregon Lower Treasure Valley
Freeze Warning issued April 15 at 7:51PM MDT until April 17 at 10:00AM MDT by NWS Boise ID

* WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 30 degrees in the Lower Treasure Valley and as low as 28 degrees in the Upper Treasure Valley and Western Magic Valley are expected. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...For the first Freeze Warning, from 4 AM MDT /3 AM PDT/ to 10 AM MDT /9 AM PDT/ Thursday. For the second Freeze Warning, from midnight MDT /11 PM PDT/ Thursday Night to 10 AM MDT /9 AM PDT/ Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Freeze Warning

Area
Lower Treasure Valley; Upper Treasure Valley; Western Magic Valley; Oregon Lower Treasure Valley
Freeze Warning issued April 15 at 7:51PM MDT until April 16 at 10:00AM MDT by NWS Boise ID

* WHAT...For the first Freeze Warning, sub-freezing temperatures as low as 30 degrees in the Lower Treasure Valley and as low as 28 degrees in the Upper Treasure Valley and Western Magic Valley are expected. * WHERE...Portions of south central and southwest Idaho and southeast Oregon. * WHEN...For the first Freeze Warning, from 4 AM MDT /3 AM PDT/ to 10 AM MDT /9 AM PDT/ Thursday. For the second Freeze Warning, from midnight MDT /11 PM PDT/ Thursday Night to 10 AM MDT /9 AM PDT/ Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Freeze Watch

Area
Western Siskiyou County; Eastern Curry County and Josephine County
Freeze Watch issued April 15 at 11:55AM PDT until April 17 at 9:00AM PDT by NWS Medford OR

* WHAT...Sub-freezing temperatures near 30 to 32 degrees as low as 27 possible. * WHERE...In California, portions of the Klamath River Valley in Western Siskiyou County. In Oregon, Eastern Curry County and Josephine County, including the Illinois Valley. * WHEN...For the Frost Advisory, from 3 AM to 9 AM PDT Thursday. For the Freeze Watch, from late Thursday night through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Winter Weather Advisory

Area
South Central Oregon Cascades
Winter Weather Advisory issued April 15 at 11:55AM PDT until April 16 at 5:00AM PDT by NWS Medford OR

* WHAT...Total snow accumulations 4 to 12 inches. Winds gusting as high as 45 mph over high and exposed terrain. * WHERE...Above 4000 ft in the high south central Cascades in Klamath, Jackson and Douglas Counties. Including the locations of...Crescent Lake, Diamond Lake. This also includes the following passes or notable locations... Diamond Lake Junction on state highways 230 & 138 at 4478 ft. Willamette Pass on state highway 58 at 5090 ft. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Plan on slippery road conditions and delays in your commute. The hazardous conditions could impact the Wednesday evening commute. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS... Visit weather.gov/mfr/winter for additional snow probabilities

Frost Advisory

Area
Jackson County
Frost Advisory issued April 15 at 11:55AM PDT until April 16 at 9:00AM PDT by NWS Medford OR

* WHAT...Sub-freezing temperatures near 30 to 32 degrees as low as 27 possible. * WHERE...Multiple valleys west of the Cascades. This includes the Klamath River Valley in western Siskiyou County, the Illinois Valley in Josephine County, and the Rogue and Applegate valleys in Jackson County. * WHEN...From 3 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Frost Advisory

Area
Western Siskiyou County; Eastern Curry County and Josephine County
Frost Advisory issued April 15 at 11:55AM PDT until April 16 at 9:00AM PDT by NWS Medford OR

* WHAT...Sub-freezing temperatures near 30 to 32 degrees as low as 27 possible. * WHERE...In California, portions of the Klamath River Valley in Western Siskiyou County. In Oregon, Eastern Curry County and Josephine County, including the Illinois Valley. * WHEN...For the Frost Advisory, from 3 AM to 9 AM PDT Thursday. For the Freeze Watch, from late Thursday night through Friday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Wind Advisory

Area
Modoc County; Northern and Eastern Klamath County and Western Lake County; Central and Eastern Lake County
Wind Advisory issued April 15 at 11:55AM PDT until April 15 at 8:00PM PDT by NWS Medford OR

* WHAT...Southwest winds 30 to 40 mph with gusts up to 55 mph expected. * WHERE...Portions of Lake, Modoc, and far eastern Klamath counties, including mostly the higher terrain of Winter Rim, the Warner and Hart mountains, but also including Paisley, Summer Lake, Valley Falls, Wagontire, and parts of highways 140, 395, 31 and 299. * WHEN...Until 8 PM PDT this evening. * IMPACTS...Gusty winds will blow around unsecured objects and a few power outages may result.

Winter Storm Warning

Area
North Oregon Cascades; Cascades of Marion and Linn Counties; Cascades of Lane County; South Washington Cascades
Winter Storm Warning issued April 15 at 11:40AM PDT until April 16 at 5:00AM PDT by NWS Portland OR

* WHAT...Heavy snow above 2500 ft. Additional snow accumulations of up to 1 foot, and total snow accumulations of 1 to 2 feet at pass level. Winds could gust as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Frost Advisory

Area
North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; North Oregon Coast Range; Central Oregon Coast Range; Tualatin Valley; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Clackamas County Cascade Foothills; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills
Frost Advisory issued April 15 at 10:50AM PDT until April 16 at 9:00AM PDT by NWS Portland OR

* WHAT...Temperatures of 32 to 36 degrees will result in frost formation. * WHERE...Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Tualatin Valley, Clackamas County Cascade Foothills, Cowlitz County Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation.

Freeze Watch

Area
Upper Hood River Valley
Freeze Watch issued April 15 at 10:50AM PDT until April 17 at 9:00AM PDT by NWS Portland OR

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 degrees expected. For the Freeze Watch, sub-freezing temperatures as low as 26 degrees possible. * WHERE...Upper Hood River Valley. * WHEN...For the Freeze Warning, from 1 AM to 9 AM PDT Thursday. For the Freeze Watch, from 1 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Freeze Watch

Area
Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills
Freeze Watch issued April 15 at 10:50AM PDT until April 17 at 9:00AM PDT by NWS Portland OR

* WHAT...For the Frost Advisory, temperatures of 32 to 36 degrees will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 degrees possible. * WHERE...Cascade Foothills of Marion and Linn Counties and Lane County Cascade Foothills. * WHEN...For the Frost Advisory, from 1 AM to 9 AM PDT Thursday. For the Freeze Watch, from 1 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Frost Advisory

Area
Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills
Frost Advisory issued April 15 at 10:50AM PDT until April 16 at 9:00AM PDT by NWS Portland OR

* WHAT...For the Frost Advisory, temperatures of 32 to 36 degrees will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 degrees possible. * WHERE...Cascade Foothills of Marion and Linn Counties and Lane County Cascade Foothills. * WHEN...For the Frost Advisory, from 1 AM to 9 AM PDT Thursday. For the Freeze Watch, from 1 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Frost Advisory

Area
Lower Columbia River; West Hills and Chehalem Mountains; Willapa Hills
Frost Advisory issued April 15 at 10:50AM PDT until April 16 at 9:00AM PDT by NWS Portland OR

* WHAT...Temperatures of 32 to 36 degrees will result in frost formation. * WHERE...In Oregon, Lower Columbia River and Portland West Hills and Chehalem Mountain. In Washington, Willapa Hills. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation.

Freeze Warning

Area
Upper Hood River Valley
Freeze Warning issued April 15 at 10:50AM PDT until April 16 at 9:00AM PDT by NWS Portland OR

* WHAT...For the Freeze Warning, sub-freezing temperatures as low as 25 degrees expected. For the Freeze Watch, sub-freezing temperatures as low as 26 degrees possible. * WHERE...Upper Hood River Valley. * WHEN...For the Freeze Warning, from 1 AM to 9 AM PDT Thursday. For the Freeze Watch, from 1 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Winter Storm Warning

Area
East Slopes of the Oregon Cascades
Winter Storm Warning issued April 15 at 10:34AM PDT until April 16 at 5:00AM PDT by NWS Pendleton OR

* WHAT...Heavy snow expected. Additional snow accumulations of 4 to 8 inches above 4000 feet with locally higher amounts along the Cascade crest. Winds gusting as high as 45 mph. * WHERE...East Slopes of the Oregon Cascades. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Gusty winds could bring down tree branches. * ADDITIONAL DETAILS...Lighter snowfall is forecast below 4000 feet along US 97, US 26, and US 20. Steady snowfall this morning will turn over to snow showers this afternoon.

Winter Weather Advisory

Area
Northern Blue Mountains of Oregon; Northwest Blue Mountains
Winter Weather Advisory issued April 15 at 10:34AM PDT until April 15 at 11:00PM PDT by NWS Pendleton OR

* WHAT...Snow expected. Additional snow accumulations of 2 to 6 inches above 4000 feet with locally higher amounts along the crest. Winds gusting as high as 35 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. * ADDITIONAL DETAILS...Lighter snowfall amounts are forecast below 4000 feet along I-84 and OR 204. Steady snowfall through this morning will turn over to snow showers through afternoon. Heaviest snowfall rates are expected this morning and early afternoon.

Freeze Warning

Area
Foothills of the Northern Blue Mountains of Oregon; Kittitas Valley; Yakima Valley
Freeze Warning issued April 15 at 10:13AM PDT until April 16 at 9:00AM PDT by NWS Pendleton OR

* WHAT...Sub-freezing temperatures as low as 29 expected. * WHERE...In Oregon, Foothills of the Northern Blue Mountains of Oregon. In Washington, Kittitas Valley and Yakima Valley. * WHEN...From 11 PM this evening to 9 AM PDT Thursday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

Disclaimer

Currently

Sunny 42°F
29.81 inHg.
Barometer
59%
Humidity
WSW 13.7 mph
Wind
Sunny

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