Expected

Responsive action SHOULD be taken soon (within next hour)

California Freeze Warning | Effective 04/17/2026 05:11

Public safety alert, emergency alert, and weather alert Description: * WHAT...Sub-freezing temperatures as low as 26 expected. * WHERE...Humboldt Interior, Northern Mendocino Interior, Interior Del Norte, Southern Trinity, Northern Lake, Northwestern and Central Trinity, Northeastern Trinity, and Western Lake. * WHEN...Until 9 AM PDT this morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing. Instruction:

Minnesota Special Weather Statement | Effective 04/17/2026 05:14

Public safety alert, emergency alert, and weather alert Description: At 714 AM CDT, Doppler radar was tracking a strong thunderstorm near New Ulm, moving north at 55 mph. HAZARD...Nickel size hail. SOURCE...Radar indicated. IMPACT...Minor damage to outdoor objects is possible. Locations impacted include... Klossner, St George, Lafayette, Gibbon, Winthrop, Fernando, Stewart, New Auburn, Brownton, Sumter, Lake Marion Regional Park, Biscay, Hutchinson Airport, Hutchinson and Silver Lake. Instruction:

Michigan Dense Fog Advisory | Effective 04/17/2026 04:52

Public safety alert, emergency alert, and weather alert Description: * WHAT...Visibility 1/4 mile or less in dense fog. * WHERE...Alger, Delta, Dickinson, Menominee, Northern Schoolcraft, and Southern Schoolcraft Counties. * WHEN...Until 11 AM EDT /10 AM CDT/ this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Instruction: If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

Arizona, California, Nevada Wind Advisory | Effective 04/17/2026 04:56

Public safety alert, emergency alert, and weather alert Description: * WHAT...North winds 20 to 30 mph with gusts up to 50 mph. * WHERE...In Arizona, Hualapai Mountains and Northwest Deserts. In California, Cadiz Basin, Eastern Mojave Desert, Morongo Basin, and Western Mojave Desert. In Nevada, Southern Clark County. * WHEN...Until 11 AM PDT / MST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.

Arizona, California, Nevada Wind Advisory | Effective 04/17/2026 04:56

Public safety alert, emergency alert, and weather alert Description: * WHAT...North winds 30 to 40 mph with gusts up to 55 mph. * WHERE...In Arizona, Lake Havasu and Fort Mohave and Lake Mohave - AZ side. In California, San Bernardino County-Upper Colorado River Valley. In Nevada, Lake Mohave - NV side. * WHEN...Until 5 PM PDT / MST this afternoon. * IMPACTS...Winds this strong can make driving difficult, especially for high-profile vehicles, particularly along east-west

Wyoming Winter Weather Advisory | Effective 04/17/2026 04:34

Public safety alert, emergency alert, and weather alert Description: * WHAT...Snow. Additional snow accumulations up to an inch. * WHERE...Natrona County Lower Elevations. * WHEN...Until noon MDT today. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday morning commute. Instruction: Slow down and use caution while traveling. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit
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