There will not be much biking to work this week. A Brutally cold start to the work week turns into hard labor . Well below-normal temperatures are expected to remain in place across the northern Great Plains and Upper Midwest through the early part of the week, with temperatures remaining below zero Fahrenheit across much of the Dakotas and Minnesota on Sunday.
Wind chill values are expected to drop as low as 30 to 40 degrees below zero in come areas. Surface high pressure will continue to build across much of the Great Plains and Upper Midwest and will reinforce the arctic air-mass that is in place. Temperatures will hover below zero Fahrenheit today across much of the Dakotas and Minnesota. Combined with the winds, apparent temperatures are forecast to drop as low as 30 to 40 degrees below zero. As the ridge over central portions of the CONUS strengthens the below average
temperatures swill to spill further to the south and east -- extending into the southern Great Plains and across the Midwest into the eastern U.S. by Monday. Numerous Wind Chill Advisories and Warnings are in effect
from eastern Montana to Wisconsin south to northern Missouri.
Snow will steadily decrease across Maine as low pressure center continues to track offshore the New England coast. Snow will however continue for the Great Lakes and surrounding areas as arctic air persists in spilling
across the relatively warm Great Lakes. This conditions will support lake effect snow showers, producing locally heavy accumulations downwind of the lakes. Winter Weather Advisories and Lake Effect Snow Warnings are in effect for areas downwind of the Lakes.
Widespread showers and thunderstorms will develop over the the Southeast as an area of low pressure is forecast to intensify over the western Gulf of Mexico and track across the northern Gulf/Florida peninsula. The Storm Prediction Center has highlighted most of the Florida peninsula as having a slight risk for severe storms through Monday morning.
Two systems will track through the Pacific Northwest and northern California over the next couple of days. The first will dissipate this afternoon and the second approaches this evening. Heavy precipitation is
forecast for portions of coastal Oregon and northern California. Mountain snows and valley rains are expected to spread across the Great Basin into the northern and central Rockies as this system presses further through Monday. An Excessive Rainfall Outlook has been issued for northern California and southwest Oregon today - periods of heavy rain may lead to areas of flash flooding.