Xtreme Weather Severe Weather Alerts & Advisories

Unsettled Weather in the East; Elevated Fire Weather Conditions for Southern California - An area of low pressure moving through the Appalachians will bring moderate to heavy rainfall, strong to severe thunderstorms, and snow for much of the eastern U.S. through Tuesday. In the wake of the system, some areas in the South may see temperatures exceed 20 degrees below average. Elevated to brief critical fire weather conditions are exp...

Central U.S. Storm; Elevated Fire Weather for Southern California - A storm will bring isolated heavy showers and thunderstorms across the central Plains into the Midwest before strengthening while shifting Northeast Sunday where snow and ice is possible from the Great Lakes into interior New England on the leading edge of the storm. Dry and gusty conditions will bring elevated fire weather concerns over the weekend to southern Cal...

Flooding Continues in the Southeast; Above Average Temperatures from the Plains to the East Coast - Widespread significant flooding is ongoing across portions of the Carolinas and Virginia from Eta. Some locations along main stem rivers will remain in flood well into next week, as routed water makes its way across the coastal plains. Abnormally mild temperatures are likely with temperature ranging between 10 and 25 degrees above no...

Unsettled Weather in the Northwest; Fire Weather Conditions in the Plains into the Ohio Valley - Unsettled weather will persist through today in the Pacific Northwest and Northern Rockies. Mixed precipitation is expected in the Northern Plains. Blustery conditions in the southern and central Plains into the Ohio Valley will bring fire weather risks to the regions. Above normal temperatures will spread west to east across the contig...

Unsettled Weather for the Northwest through Mid-week; Warm Temperatures Spreading Across the CONUS - Unsettled conditions will continue from the Pacific Northwest and California into the Sierra and Rocky mountains with locally heavy rain, a few thunderstorms, mountain snow, gusty to high winds, and possible coastal and burn-scar flooding. Above normal temperatures will spread west to east across the contiguous U.S. this week. Tempe...

A Series Of Storms Will Keep The West Unsettled This Week - A series of Pacific storm systems will keep a large portion of the West unsettled this week. Expect locally heavy rain, heavy mountain snow and gusty winds, especially in the Pacific Northwest to northern California. Also, elevated fire weather conditions are forecast in parts of southern California due to dry conditions and gusty offshore winds on Monday.

Eta Shifting Offshore; Series of Pacific Storms to Impact the West -  The center of Eta will pass just offshore of the coast of South and North Carolina through Friday morning. Widespread minor to moderate and scattered major river flooding is occurring in the wake of Eta. A series of storm systems will continue to impact the Western U.S. into next week with damaging high winds, heavy coastal rain and heavy mountain snow.

Eta Impacting Florida Again; Flooding Possible across Carolinas/Mid-Atlantic - Tropical Storm Eta is forecast to move inland over the northern portion of the Florida peninsula on Thursday. Tropical-storm-force winds, life-threatening storm surge and heavy rainfall are expected while tornadoes and flooding are possible. Heavy rain may lead to flash flooding through Thursday from the southern Appalachians into the Mid-Atlantic states...

Tropical Storm Eta to Impact West Coast of Florida; Flooding Possible Appalachians to Mid-Atlantic - Eta will move close to but offshore of the southwest coast of Florida Wednesday and move inland over the northern portion of the Florida peninsula on Thursday. Eta will bring Tropical-storm-force winds, Life-threatening storm surge and heavy rainfall with a potential for flooding. Further North, heavy rain may lead to flash flooding...

Eta Over the Southeast Gulf; Snow and Ice for Upper Midwest - Eta will slowly shift north across the eastern Gulf of Mexico through much of the rest of this week. Eta could approach the Florida Gulf Coast later this week as a tropical storm, and possibly bring impacts from rain, wind, and storm surge. A swath of freezing rain and sleet may lead a period of heavy snow from eastern Nebraska into northern Wisconsin Tuesday.

Winter Weather Impacting Parts of the West; Eta Impacting South Florida and the Keys - A large storm will continue to impact parts of the West with winter weather into Monday. Strong winds are creating blizzard conditions in Montana while heavy snow is forecast from the Sierra to the south-central Rockies. Meanwhile, Eta is forecast to reach hurricane strength with storm surge and heavy rain impacting south Florida and the Keys Sun...

Powerful Storm Impacting The West; Eta Approaching The Florida Keys Later Today - A powerful storm system is impacting the West today. Significant snow accumulations with blizzard warnings for the northern Rockies and Montana, while heavy snow is also possible from the Sierra to the south-central Rockies. Meanwhile, Eta is forecast to be near hurricane strength as it passes near or over the Florida Keys tonight and early Monday. A ...

Powerful Storm in the West; Eta Forecast to Approach Southern Florida Later This Weekend - A deep, cold storm will bring numerous impacts to the western states this weekend. Heavy and blowing snow will develop in Montana, and across the Rocky and Southwestern Mountains, including the Grapevine in Southern California. Critical fire weather threats ahead of the front, and dangerous surf along the West can also be expected. Eta may pr...

Western Storm with Multiple Impacts; Locally Heavy Rain in Southern Florida - A couple of strong Pacific storms will bring widespread lower elevation rain, heavy mountain snow, and gusty winds to the western states. Dry winds ahead of the front will produce Critical fire weather threats for the eastern Sierra-Nevada mountains, Central Great Basin, and portions of the Plains. Tropical moisture in southern Florida may produce floodin...

Western Storm Moving In; Watching Eta - Locally heavy rain continues in the Pacific Northwest through Thursday before a large storm moves into the West Friday and the weekend. Gusty to strong winds are forecast ahead of this storm which could create critical fire weather while cold air and strong winds on the back side could bring areas of heavy snow and blowing snow. Eta is being watched for potential impacts to Florida Sunday.

Quiet Weather Continues with Notable Precipitation Limited to the Northwest - A ridge of high pressure building across the contiguous U.S. will promote dry and quiet weather through at least midweek with the only exception being in the Northwest. A pair of cold fronts moving across the region will support areas of showers and high elevation snow. There is a marginal threat for heavy rainfall for coastal Washington and to the lee of...

Relatively Quiet Weather for most of the Contiguous U.S. - High Pressure will dominate weather conditions across most of the U.S. this week. Gusty winds, below normal temperatures, and some snow showers will continue in the Northeast early this week. A new storm system will bring rain and some high mountain snow to the Pacific Northwest. Near to above normal temperatures in the West and Central U.S. will spread into the East by mid...

Lingering Precipitation in the Northeast and Pacific Northwest; Slowly Moderating Temperatures - Areas of rain and snow will continue over the Pacific Northwest and Northeast U.S. into early Wednesday. Mainly dry weather is expected elsewhere with fire weather concerns across southern California. Temperatures for much of the country will gradually warm by Wednesday, with some record highs possible over the West and Plains.

Lingering showers is expected for the northern Mid-Atlantic early Today with light snowfall across the Interior Northeast and New England - A strong, but fast moving low pressure system will bring precipitation to the Pacific Northwest today, gusty winds to the Northern Rockies/Plains through Saturday, and precipitation starting as rain and mixing to snow across the Upper Great Lakes by early Sunday.