Severe

Significant threat to life or property

Extreme Heat Warning Arizona | Effective 03/21/2026 12:06

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions with high temperatures of 95 to<br /> 100 degrees. * WHERE...Eastern Cochise County below 5000 feet, Upper Gila River<br /> Valley, Upper San Pedro River Valley, and Upper Santa Cruz River<br /> Valley/Altar Valley. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Heat related illnesses increase significantly during<br /> extreme heat events. * ADDITIONAL DETAILS...Visitors, seasonal residents, and other people<br />

Extreme Heat Warning Arizona | Effective 03/21/2026 12:09

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions below 4000 feet, with daytime<br /> temperatures ranging from 93 degrees at Havasupai Gardens, to 101<br /> degrees at Phantom Ranch. * WHERE...Lower elevations of the Grand Canyon. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Most individuals will be at risk for heat-related<br /> illnesses without effective cooling or adequate hydration,<br /> especially with prolonged outdoor exposure. Instruction:<br />

Extreme Heat Warning Arizona | Effective 03/21/2026 12:09

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Dangerously hot conditions, with temperatures up to 99 below<br /> 4000 feet. * WHERE...Yavapai County Valleys and Basins. * WHEN...Until 8 PM MST Sunday. * IMPACTS...Pets, livestock, and those sensitive to heat, such as the<br /> homeless, elderly, and children will be at risk for heat-related<br /> illnesses. Those without effective cooling and/or adequate<br /> hydration will be at the greatest risk. Instruction:<br />

Flood Warning Washington | Effective 03/21/2026 11:46

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...The Flood Warning continues for the following rivers in<br /> Washington... Nooksack River At Ferndale affecting Whatcom County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Nooksack River at Ferndale. * WHEN...Until just after midnight tonight. * IMPACTS...At 18.0 feet, the river begins overtopping its banks<br /> within the City of Ferndale flooding low-lying areas within the<br />

Winter Storm Warning Hawaii | Effective 03/21/2026 11:49

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...A WINTER STORM WARNING IS NOW IN EFFECT FROM 6 PM HST THIS<br /> EVENING TO 6 PM HST SUNDAY FOR THE BIG ISLAND SUMMIMTS ABOVE 12000<br /> FEET... .A kona storm is likely to bring heavy snow and strong winds to the<br /> summits beginning this evening and lasting through Sunday afternoon. * WHAT...Heavy snow possible. Total snow accumulations up to 10<br /> inches possible. Winds could gust as high as 70 mph. Light snow<br /> may linger Sunday night into Monday.

Fire Weather Watch New Mexico | Effective 03/21/2026 11:23

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> ...FIRE WEATHER WATCH SUNDAY FROM NOON UNTIL 8 PM MDT FOR THE<br /> NORTHEAST AND EAST CENTRAL PLAINS DUE TO STRONG WIND AND LOW<br /> HUMIDITY... .After widespread poor humidity recovery tonight, a dry backdoor<br /> cold front will plunge through the eastern plains Sunday with<br /> northeast wind gusts up to 40 mph. Despite the backdoor front,<br /> humidity will mostly bottom out in the single-digits Sunday<br />

Flash Flood Warning Hawaii | Effective 03/21/2026 11:40

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> At 840 AM HST, emergency management continued to report road<br /> closures across Oahu due to recent flooding, and the Wahiawa<br /> Reservoir remains elevated. While the heaviest bands of showers have<br /> moved east of Oahu, additional showers with rain rates of 0.5 to 1<br /> inch per hour will be moving over the island from the south and west<br /> this morning. HAZARD...Flash flooding caused by heavy rain. SOURCE...Emergency management.

missing and endangered persons Severe Georgia | Effective 03-21-2026 11:42

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> Georgia Emergency Management Agency Homeland Security on behalf of GLYNN COUNTY EMA issues MISSING PERSON alert for PEYTON DALTON, 18 year old white male, 510 150 lbs. Last known location was EMANUEL CHURCH RD at 6am. CALL 911 if seen. Instruction:<br /> Please call 911 with any information about Peyton Dalton's location.

Red Flag Warning Iowa, Nebraska | Effective 03/21/2026 11:04

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * AFFECTED AREA...Knox, Cedar, Thurston, Antelope, Pierce,<br /> Wayne, Boone, Madison, Stanton, Cuming, Burt, Platte, Monona,<br /> Colfax, Dodge, Washington, Butler, Saunders, Douglas, Sarpy,<br /> Harrison, Shelby, Seward, Lancaster, Cass, Otoe,<br /> Pottawattamie, Saline, Mills, Montgomery, Jefferson, Gage,<br /> Fremont, Johnson, Page, Nemaha, Pawnee, and Richardson<br /> Counties. * TIMING...Until 4 AM CDT Sunday.

Winter Storm Warning Maine, New Hampshire | Effective 03/21/2026 11:18

Public safety alert, emergency alert, and weather alert<br /> Description:<br /> * WHAT...Heavy snow expected. Total snow accumulations between 6 and<br /> 10 inches. * WHERE...Portions of western Maine and northern New Hampshire. * WHEN...From 2 AM Sunday to 2 AM EDT Monday. * IMPACTS...A snowstorm will bring plowable snow to the region with<br /> a period of moderate travel impacts expected. Periods of moderate<br /> snow and low visibility will be the biggest hazards. Periods of<br />
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