Wintery Weather Stretching from the West Coast to the Great Lakes
Lake Effect Snow Warnings are in effect for the Great Lakes with 2 to 3 feet storm total snow possible. Arctic Air extends across much of the U.S. with breezy winds and temperatures 15-35 degrees below normal in the Northern Plains. Out west, heavy mountain snow and some low elevation snow and freezing rain forecast as a warmer weather system interacts with the Arctic airmass.
Hazardous Weather Conditions
High and low forecast temperature values represent air temperature.
Water temperature forecast is experimental.
Last Update: 7:17 am CST Dec 8, 2016
Forecast Valid: 9am CST Dec 8, 2016-6pm CST Dec 14, 2016
CONTINUE TO MOVE EAST THROUGH QUEBEC TODAY... WHILE A SECONDARY
TRAILING COLD FRONT MOVES SOUTHEAST ACROSS THE WESTERN LAKES. HIGH
PRESSURE RIDGING AVERAGING 30.7 INCHES DEVELOPING ACROSS THE
NORTHERN AND CENTRAL PLAINS WILL MOVE SLOWLY EAST TO THE
MISSISSIPPI VALLEY AND OHIO RIVER VALLEYS THROUGH THE END OF THE
WEEK...WITH A CENTER WEAKENING TO 30.6 INCHES ACROSS THE TENNESSEE
VALLEY BY EARLY SATURDAY. THE RIDGE WILL DRIFT EAST ACROSS THE
GREAT LAKES SATURDAY...BEFORE LOW PRESSURE NEAR 29.9 INCHES
DEVELOPS ACROSS THE PLAINS AND LIFTS NORTHEAST TO THE WESTERN
- This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
- The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.