Thunderstorms for much of the South bring severe weather and flash flooding threat, which expands greatly on Thursday, while three winter storm fronts deliver snow, freezing rain, and bring winter weather warnings.
Three separate winter storm fronts will roll across parts of the West and Midwest on Wednesday.
The first front will affect the northwest and northern Rockies, bringing snow to parts of Nevada, northern Utah, Idaho, Wyoming and Montana, as well as a wintry mix to portions of Oregon, Washington and Northern California. Heavy snow is possible and some portions of Oregon, Washington and Idaho.
The second front will affect parts of the southern Rockies, Southwest, and southern Midwest bringing snow to portions of southern Utah, Colorado and northern New Mexico, with heavy snow over central areas of the state. The states will also see a wintry mix, which expands into parts of Arizona and the south-central Midwest to include portions of the Texas Panhandle Plains, the Oklahoma Panhandle and Kansas.
The third storm front will bring winter weather and freezing rain to the upper Midwest including portions of South Dakota, Minnesota, Wisconsin and northern Michigan. Freezing rain is forecast over the northern areas of Minnesota, Wisconsin and Michigan where an advisory has been issued.
The National Weather Service (NWS) has issued the following winter-related weather alerts for Wednesday:
Winter storm warning: Northern and central New Mexico.
Winter weather advisory: northwest and southeast Washington; northwest and northeast Oregon; southeast and northern Arizona; northern and central New Mexico; northwestern Texas; western Oklahoma; western, northeastern and southeastern Colorado; eastern Utah; northeast Minnesota; northern Wisconsin; northern Michigan.
Thunderstorms will stretch from the southern portion of the Midwest, spanning east across the southern tier of the nation into the southeast, as well as extending northward to include portions of the Midwest, Mid-South and Ohio Valley on Wednesday, which could bring flash flooding to parts of the South.
The National Weather Service has issued a warning over potential severe thunderstorms affecting eastern/north-eastern Texas, southeastern Oklahoma, southern Arkansas and Northwestern Louisiana.
On Thursday, the potential for severe weather and flooding expands greatly to include much of the South stretching from Texas to the Carolinas and extending northward into the Mid-South and lower Ohio Valley
A flash flood watch has been issued by The National Weather Service for parts of the South on Wednesday, including: southeastern Louisiana, southern and central Mississippi, southwestern Alabama and the Western Florida Panhandle.
West: San Francisco 61, mostly sunny; Los Angeles 74, mostly sunny; Reno 55, partly cloudy; Las Vegas 69, windy; Salt Lake City 50, mostly sunny; Denver 41, cloudy.
Northwest & Northern Rockies: Seattle 50, rain; Medford 57, rain; Boise 46, cloudy; Cut Bank 45, windy; Billings 53, partly cloudy; Minot 46, partly cloudy; Rapid City 51, partly cloudy.
Southwest: Phoenix 73, mostly sunny; Albuquerque 42, rain; El Paso 60, partly cloudy; San Antonio 80, partly cloudy; Brownsville 87, foggy.
Central & Upper Midwest: Lubbock 51, rain; Dallas 79, thunderstorms; Oklahoma City 61, mostly cloudy; Kansas City 52, cloudy; Minneapolis 43, rain.
Ohio Valley: Chicago 58, mostly cloudy; St. Louis 65, mostly sunny; Detroit 70, partly cloudy; Cincinnati 74, partly cloudy.
South: Houston 76, thunderstorms; New Orleans 73, thunderstorm; Memphis 76, partly cloudy; Atlanta 76, partly cloudy; Charlotte 73, cloudy; Jacksonville 82, partly cloudy; Tampa 83, mostly sunny; Miami 81, sunny.
East: Norfolk 70, thunderstorms; Washington, D.C. 59, rain; Buffalo 69, rain; New York City 56, rain; Boston 57, cloudy; Caribou 54, mostly cloudy.