Winter Storm Warning issued February 16 at 1:32PM MST until February 18 at 5:00AM MST by NWS Riverton WY
* WHAT...Heavy snow expected. Additional snow accumulations between 12 and 20 inches in southern and eastern portions of the Park. Over 2 feet of additional snow accumulation possible across the Pitchstone Plateau. 1 to 3 inches in Mammoth; generally 4 to 8 inches elsewhere. Winds gusting as high as 35 mph. * WHERE...Yellowstone National Park. * WHEN...Until 5 AM MST Tuesday. * IMPACTS...Travel will be difficult, especially in the backcountry.
Flash Flood Warning issued February 15 at 1:32PM EST until February 15 at 6:00PM EST by NWS Morristown TN
FFWMRX The National Weather Service in Morristown has extended the * Flash Flood Warning for... Campbell County in east Tennessee... Northwestern Claiborne County in east Tennessee... Northern Morgan County in east Tennessee... Scott County in east Tennessee... * Until 600 PM EST. * At 132 PM EST, local law enforcement reported heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 2 inches are possible in the warned area. Flash flooding is already occurring and several low lying roads are closed. HAZARD...Flash flooding caused by heavy rain. SOURCE...Law enforcement
Extreme Cold Warning issued February 11 at 1:32PM MST until February 13 at 10:00AM MST by NWS Pocatello ID
* WHAT...For the first Extreme Cold Warning, dangerously cold wind chills as low as 24 below expected. For the second Extreme Cold Warning, dangerously cold wind chills as low as 25 below expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...For the first Extreme Cold Warning, from 8 PM this evening to 10 AM MST Wednesday. For the second Extreme Cold Warning, from 9 PM Wednesday to 10 AM MST Thursday. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Extreme Cold Warning issued February 11 at 1:32PM MST until February 12 at 10:00AM MST by NWS Pocatello ID
* WHAT...For the first Extreme Cold Warning, dangerously cold wind chills as low as 24 below expected. For the second Extreme Cold Warning, dangerously cold wind chills as low as 25 below expected. * WHERE...Arco/Mud Lake Desert and Upper Snake River Plain. * WHEN...For the first Extreme Cold Warning, from 8 PM this evening to 10 AM MST Wednesday. For the second Extreme Cold Warning, from 9 PM Wednesday to 10 AM MST Thursday. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes.
Air Quality Alert issued January 22 at 1:32PM PST by NWS Los Angeles/Oxnard CA
The Ventura County Air Pollution Control District has issued an air quality alert due to increased particulate matter from wildfire smoke in Fillmore/Piru, Santa Paula, Ventura, Oxnard, Camarillo, the Conejo Valley, and Simi Valley/Moorpark. The air quality alert is in effect until 12:00 pm Friday January 24, 2025. Localized air quality could fluctuate depending on wind conditions. Particulate matter can vary hour by hour and change frequently; at times producing unhealthy air quality in Ventura County. Forecast AQI colors are meant to be as representative as possible for the 24-hour day. Air quality may fluctuate and is likely to be
Freeze Warning issued January 10 at 1:32PM MST until January 12 at 9:00AM MST by NWS Tucson AZ
* WHAT...Widespread sub-freezing temperatures of 26 to 32 degrees expected. * WHERE...South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, and Western Pima County. * WHEN...For the first Freeze Warning, from midnight tonight to 9 AM MST Saturday. For the second Freeze Warning, from midnight Saturday Night to 9 AM MST Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Freeze Warning issued January 10 at 1:32PM MST until January 11 at 9:00AM MST by NWS Tucson AZ
* WHAT...Widespread sub-freezing temperatures of 26 to 32 degrees expected. * WHERE...South Central Pinal County, Southeast Pinal County, Tohono O'odham Nation, Tucson Metro Area, and Western Pima County. * WHEN...For the first Freeze Warning, from midnight tonight to 9 AM MST Saturday. For the second Freeze Warning, from midnight Saturday Night to 9 AM MST Sunday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Winter Weather Advisory issued January 6 at 1:32PM PST until January 7 at 1:00AM PST by NWS Elko NV
* WHAT...Additional snow accumulations up to two inches. * WHERE...Northern Elko and Ruby Mountains and East Humboldt Range in Elko Counties. * WHEN...Until 1 AM PST Tuesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Monday evening commute.
Cold Weather Advisory issued January 4 at 1:32PM CST until January 5 at 10:00AM CST by NWS Grand Forks ND
* WHAT...Very cold wind chills as low as 40 below expected. * WHERE...Portions of north central, northwest, and west central Minnesota and northeast and southeast North Dakota. * WHEN...From midnight tonight to 10 AM CST Sunday. * IMPACTS...The dangerously cold wind chills as low as 40 below zero could cause frostbite on exposed skin in as little as 10 minutes.
Special Weather Statement issued December 28 at 1:32PM CST by NWS New Orleans LA
At 132 PM CST, Doppler radar was tracking a strong thunderstorm capable of producing funnel clouds near Des Allemands, or 14 miles southwest of Hahnville, moving north at 25 mph. HAZARD...Funnel clouds, winds in excess of 40 mph, and pea size hail. SOURCE...Radar indicated. IMPACT...If a funnel cloud briefly touches down, minor damage to outdoor objects is possible. Gusty winds could knock down tree limbs and blow around unsecured objects. Locations impacted include... Hahnville, Killona, Norco, Paradis, Des Allemands, Edgard, Luling, Boutte, Bayou Gauche, Destrehan, Taft, New Sarpy, St. Rose, Montz, Raceland, and Ama. This includes Interstate 310 between mile