There is the risk of damaging thunderstorms, including the potential for a tornado in the Kansas City area, Saturday.
A strengthening storm system swinging up from California will mark an end to the tranquil weather being experienced over much of the nation in recent weeks. The system will also kick off the secondary severe weather season with a large outbreak of powerful thunderstorms.
After a push of cooler air runs its course Friday, stiff southerly winds will quickly bring in warmer and more humid air during Saturday across western Missouri and eastern Kansas.
The setup will produce storms with the potential for damaging wind gusts, large hail and flash flooding over thousands of square miles of the Plains Friday and Saturday.
Depending on the amount of sunshine and warming that takes place during Saturday in eastern Kansas and western Missouri, some of the storms may become severe in the local area from the middle of the afternoon into the evening.
With this situation, there could be a few tornadoes spawned in the strongest storms stretching from southwestern Wisconsin to eastern Oklahoma.
People with outdoor plans or traveling through the I-35, I-70 and I-80 corridors will want to stay on top of the weather in this potentially dangerous situation.
Sunday will bring a return to more tranquil weather conditions with some sunshine. However, there will be a gusty breeze.
Temperatures are not expected to get above the freezing point for the Seattle area this weekend.
The worst of the ice headed to the eastern U.S. will focus on the I-81 corridor from Virginia to southern Pennsylvania.
While heavy snow and ice are not expected to fall over much of the Midwest Sunday into Monday, some slippery roads and travel disruptions are likely.
As the saying goes, no two snowflakes are exactly alike. Russian photographer Alexey Kljatov's collection of high-resolution magnified flakes makes this widely-held belief more convincing.
Fresh cold and the return of Santa Ana winds are in store for Southern California to start the new week.
Tropical Cyclone Madi has developed over the Bay of Bengal, northeast of Sri Lanka and east of India.
Elkton, MD (1963)
Jet liner exploded near Elkton, MD killing all 81 on board. Lightning is believed to have caused the explosion of residual fuel under one of the outboard wing tanks as plane passed through a vicious thunderstorm.
LaMesa, CA (1938)
100 degrees, warmest ever in US for Dec. Downtown LA had 91.7 degrees, only 90 degree reading in December.