Stay up to date with all weather conditions affecting transportation in the United States

A storm moving across the northwest will continue mountain snow and gusty winds through Monday. Another storm over the central U.S. will bring heavy rain and thunderstorms to the Southeast states Monday. These two storms are forecast to merge over the Ohio Valley Tuesday with a band of heavy snow possible from the Midwest into the central Great Lakes. States Affected: Washington, Idaho, Montana, Wyoming, Colorado, North Dakota, South Dakota, Nebraska, Iowa, Wisconsin, Illinois

Washington - Winter Storm Warning - Cascades. 2 inches of additional snow above 2500 feet 10 AM PST this morning.

Idaho - Winter Weather Advisory - Panhandle. 1-3 inches of additional snow and winds gusting up to 35mph until 11 AM MST this morning. Impacting transit along I-90.

Montana - Winter Weather Advisory - 1-3 inches of snow until 5 AM MST Tuesday. 

Wyoming - Winter Weather Advisory - Eastern. 6-10 inches of snow with winds gusting 40-50mph from 5 AM Monday to 8 PM MST Tuesday.

Colorado - Winter Weather Advisory - Central. 4-8 inches of snow above 9000 feet with winds gusting 35-45mph until 9 AM MST Tuesday.

North Dakota - Winter Weather Advisory - Southwest. 3-6 inches of snow from 3 AM CST /2 AM MST/ Monday to 6 AM CST /5 AM MST/Tuesday.

South Dakota - Winter Weather Advisory - West/Central. 2-5 inches of snow from noon CST /11 AM MST/ today to 9 AM CST /8 AM MST/Tuesday.

Nebraska - Winter Weather Advisory - Northern. 2-4 inches of snow and winds gusting up to 35mph From 6 PM CST /5 PM MST/ this evening to 6 PM CST /5 PM MST/ Tuesday.

Iowa - Winter Storm Watch - Southeast. 4-8 inches of snow possible from late tonight through Wednesday morning.

Wisconsin - Winter Storm Watch - Southern. 3-8 inches of snow and winds gusting up to 35mph possible from Tuesday afternoon through Wednesday afternoon.

Illinois - Winter Storm Watch - Northern. At least 6 inches of snow possible late Tuesday morning through late Wednesday afternoon.

Flood Watches/Warnings are effective in parts of South Dakota, Nebraska, Kansas, Missouri, Michigan, and along the Mississippi River and its tributaries. 

Wind Advisories and Warnings are effective in parts of Washington, Nevada, California, Arizona, Montana, Wyoming, New Mexico, Oklahoma, Texas, Arkansas, Louisiana. 

For further details, please visit https://www.weather.gov/ 

A departing storm may continue to produce snow and gusty winds across portions of North Carolina through the morning commute on Friday. Later Friday and Saturday, a storm system is forecast to move into Southern California and the Desert Southwest with lower elevation rain and mountain snowfall. Flash flooding will be possible across portions of Arizona on Saturday. States Affected: North Carolina

State by state below:

North Carolina - Winter Weather Advisory​ - Eastern. Black ice expected as rain and snow refreeze on roadways until noon EST today.

For further details, please visit https://www.weather.gov/ 

The system producing rain, locally heavy, in the Deep South will spread potential for flooding and flash flooding into the Southeast. Wintry conditions on the north side of this storm will produce accumulating snow from the Appalachians to the southern Mid-Atlantic. Areas of snow will also continue across portions of the High Plains. States Affected: Colorado, New Mexico, Oklahoma, Texas, Tennessee, New York, Virginia, North Carolina

State by state breakdown below:

Colorado - Winter Weather Advisory - Southeast. Up to 1 inch of additional snow until 9 AM MST this morning.

New Mexico - ​Winter Weather Advisory - Northeast. Up to 1 inch of snow through 11 AM MST Today.

Oklahoma - ​Winter Weather Advisory - Panhandle. Up to 1 inch of additional snow until 9 AM MST this morning.

Texas - Winter Weather Advisory - Northern Panhandle. Up to 3 inches of snow Until 9 AM CST Thursday.

Tennessee - Winter Weather Advisory - Central. 1-2 inches of snow until 6 PM CST this evening.

New York - Winter Weather Advisory - Central.  1-2 inches of snow until 1 PM EST this afternoon.

Virginia - Winter Storm Warning/Winter Weather Advisory - Southern. 3-6 inches of snow with winds gusting up to 30mph from 3 PM this afternoon to 7 AM EST Friday.

North Carolina - Winter Storm Warning/Winter Weather Advisory - 4-6 inches of snow from 4 PM this afternoon to 10 AM EST Friday.

Wind Chill Advisories are in effect for parts of North Dakota, South Dakota, Minnesota, Iowa, New Hampshire, and Maine. 

Flood Watches/Warnings are in effect for parts of Louisiana, Mississippi, Alabama, and Georgia. 

For further details, please visit https://www.weather.gov/ 

Another system will impact the Southern U.S. through Thursday. Unfortunately, more heavy rain, with the possibility of flooding, is expected across the saturated region from Texas to Alabama. A couple of pockets of heavy snow are also expected from the Central Rockies to the Central Plains, with some light accumulations from parts of Tennessee to portions of North Carolina and southern Virginia. States Affected: Colorado, New Mexico, Nebraska, Kansas, Oklahoma, Michigan, New York

State by state below:

Colorado - Winter Weather Advisory - Southeast. 2-5in of snow from 2 PM this afternoon to 5 AM MST Thursday.

New Mexico - Winter Weather Advisory - Northeast. Will likely impact transit along I-40 and I-25, especially through Raton pass. 

Nebraska - Winter Weather Advisory - Central. 2-5in of additional snow until midnight CST /11 PM MST/ tonight.

Kansas - Winter Weather Advisory - Southwest. 1-3in of snow from noon CST /11 AM MST/ today to 5 AM CST /4 AM MST/Thursday.

Oklahoma - Winter Weather Advisory - Panhandle. Up to 2in of snow from 6 PM this evening to 6 AM CST Thursday.

Michigan - Winter Weather Advisory - U.P. 2-5in of snow until 7 PM EST this evening.

New York - Winter Storm Watch - Central Ontario Lakefront. 5-10in of snow possible from this evening through Thursday afternoon.

Wind Chill Advisories are in effect across parts of Montana, North Dakota, Minnesota, and Wisconsin. 

For further details, please visit https://www.weather.gov/ 

A storm will move across the Northeast today with snow and some ice accumulations possible. To the south, heavy rain and additional flooding is possible from Texas to South Carolina. In Western Alaska, strong winds and heavy snow will continue to bring blizzard conditions there. Heavy rains, high winds, and rough surf will continue across American Samoa through Wednesday. States Affected: Nebraska, Michigan, New York, New Hampshire, Maine

State-by-state below:

Nebraska - Winter Weather Advisory - Central.  2-5in of snow  from midnight CST /11 PM MST/ tonight to midnight CST/11 PM MST/ Wednesday night.

Michigan - Winter Weather Advisory - U.P./Northern. 2-4in of snow until noon EST today.

New York - Winter Weather Advisory - Central. 2-6in and winds gusting up to 40mph from 5 AM to 5 PM EST Tuesday.\

New Hampshire - Winter Weather Advisory - Northern. 2-4in of snow and winds gusting up to 35mph from 1 PM this afternoon to 10 PM EST this evening.

Maine - Winter Weather Advisory - 3-6in of snow and winds gusting up to 35mph from 1 PM this afternoon to midnight EST tonight.

For further details, please visit https://www.weather.gov/ 

A storm system will move from the Upper Midwest to New England through Tuesday with heavy snow accumulations. The same system will potentially produce heavy rain and possible flooding on Tuesday and Wednesday from the South to Texas. Finally, in Alaska, a strengthening system over the Bering Sea will sweep across the state with strong winds and heavy snow through midweek. States Affected: Washington, Idaho, Montana, Wyoming, Colorado, Minnesota, Iowa, Wisconsin, Michigan, New York

State-by-state below:

Washington - Winter Weather Advisory - Cascades. 1-3in of additional snow above 3000ft until 6 AM PST early this morning.

Idaho - Winter Weather Advisory - Panhandle. Up to 2 inches of additional snow above 3000ft until 10 AM PST this morning.

Montana - Winter Weather Advisory - Western. 6-9in of snow until 6 AM MST today.

Wyoming - Winter Weather Advisory/Winter Storm Warning - Southeast. 2-4in of additional snow with winds gusting up to 50mph until 5 PM MST this afternoon.

Colorado - Winter Weather Advisory/Winter Storm Warning - North central. 1-3in of additional snow and winds gusting up to 35mph until 8 AM MST this morning.

Minnesota - Winter Weather Advisory - Southern. 1-3in  of snow and a glaze of ice until noon CST today.

Iowa -Winter Weather Advisory  - Northern. 1in of snow and a light glaze of ice from 3 AM to noon CST Monday.

Wisconsin -Winter Weather Advisory  - Central. 2-5in of snow from from 3 PM this afternoon to 3 AM CST Tuesday.

Michigan - Winter Weather Advisory - 4-7in of snow from 7 PM this evening to noon EST Tuesday.

New York - Winter Weather Advisory - Central. 4-6in of snow and winds gusting up to 40mph from 5 AM to 5 PM EST Tuesday.

Dense fog advisories are in effect fro parts of South Dakota, Kansas, Oklahoma, Texas, Louisiana, Alabama, Georgia, South Carolina, and Florida. 

For further details, please visit https://www.weather.gov/