Weather Alerts for Oregon

Recent Locations: Hastings, PA De Leon, TX Lakeside, OR

1. Extreme Heat Warning for: Eastern Columbia River Gorge of Oregon; Lower Columbia Basin of Oregon; Foothills of the Northern Blue Mountains of Oregon; Eastern Columbia River Gorge of Washington; Kittitas Valley; Yakima Valley; Lower Columbia Basin of Washington; Foothills of the Blue Mountains of Washington

2. Extreme Heat Warning for: Eastern Curry County and Josephine County; Jackson County

3. Extreme Heat Warning for: John Day Basin; Foothills of the Southern Blue Mountains of Oregon; North Central Oregon; Central Oregon; Simcoe Highlands

4. Extreme Heat Warning for: Tualatin Valley; West Hills and Chehalem Mountains; Inner Portland Metro; East Portland Metro; Outer Southeast Portland Metro; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; West Columbia River Gorge of Oregon above 500 ft; West Columbia River Gorge I-84 Corridor; Upper Hood River Valley; Central Columbia River Gorge I-84 Corridor; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; North Clark County Lowlands; Inner Vancouver Metro; East Clark County Lowlands; West Columbia River Gorge - SR 14; Central Columbia River Gorge - SR 14

5. Fire Weather Watch for: Canyon Grassland of Wallowa County; Kittitas Valley; Lower Columbia Basin; Blue Mountains of Washington; Southeast Washington Grande Ronde Valley; Yakama Alpine District; East Washington South Central Cascade Mountains

6. Fire Weather Watch for: Klamath Basin and the Fremont-Winema National Forest

7. Fire Weather Watch for: Western Rogue Basin including the Illinois Valley; Eastern Rogue Valley

8. Heat Advisory for: Central Douglas County

9. Heat Advisory for: North Oregon Coast Range Lowlands; Central Oregon Coast Range Lowlands; Lower Columbia River; Willapa and Wahkiakum Lowlands; Cowlitz County Lowlands; South Washington Cascade Foothills

10. Red Flag Warning for: John Day Valley; Southern Blue Mountains; Central Mountains of Oregon; Warm Springs Reservation; Northern Deschutes National Forest; Southern Deschutes National Forest

11. Red Flag Warning for: Klamath Basin and the Fremont-Winema National Forest

12. Red Flag Warning for: Western Rogue Basin including the Illinois Valley; Eastern Rogue Valley

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Current U.S. National Radar--Current

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National Weather Forecast--Current

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National Weather Forecast for Tomorrow

Tomorrow National Weather Forecast and Tomorrow National Weather Map are show below.

North America Water Vapor (Moisture)

This map shows recent moisture content over North America. Bright and colored areas show high moisture (ie, clouds); brown indicates very little moisture present; black indicates no moisture.

Weather Topic: What is Hail?

Home - Education - Precipitation - Hail

Hail Next Topic: Hole Punch Clouds

Hail is a form of precipitation which is recognized by large solid balls or clumps of ice. Hail is created by thunderstorm clouds with strong updrafts of wind. As the hailstones remain in the updraft, ice is deposited onto them until their weight becomes heavy enough for them to fall to the earth's surface.

Hail storms can cause significant damage to crops, aircrafts, and man-made structures, despite the fact that the duration is usually less than ten minutes.

Next Topic: Hole Punch Clouds

Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds