Temperatures in central and eastern Europe continue to build this weekend, soaring as high as 10 degrees Celsius above normal.
High pressure holding steady in northwestern Russia continues to usher in warm air for countries in eastern Europe. A central core of the warmest temperatures on Sunday, similar to Saturday, will encompass Ukraine, Poland, Belarus and western Russia.
Again Sunday afternoon, temperatures will reach into the 30s C (90s in Fahrenheit) for the cities of Kiev, Warsaw and Moscow. Sunshine and dry weather is expected to persist throughout the weekend.
Further to the west, temperatures will also be rising above the norm. For Slovakia and northern Austria into central Germany, Czech Republic and western Poland, temperatures will be at least 5 degree Celcius (10 -15 degrees Fahrenheit) above the norm for the start of August.
Showers and thunderstorms each day in these areas will help the temperature to stay a little closer to average.
The extreme heat is expected to continue into Monday in eastern Europe. However, showers and thunderstorms continue to move eastward across the continent finally reach the hottest areas Tuesday and Wednesday. For the middle of the week, it will be cooler, but still above average with temperatures in the upper 20s Celsius (lower 80s Fahrenheit).
A cooldown with clouds, showers and thunderstorms is in store for Southern California and much of the Southwest following recent heat and sunshine.
A dominant storm track featuring storms moving west to east across Europe will result in a stark contrast between cold air building across Scandinavia and milder air masses entrenched near the Mediterranean.
After waves of cool air progress through the Midwest and Northeast this week, some areas will be cold enough for the first snow showers of the season by this weekend.
An effort is underway to fill a radar hole in Charlotte, North Carolina, and similarly populated areas in the United States to better detect and protect the public from severe weather.
Unmanned aerial vehicles (UAVs) interfered with containment efforts in the West on at least 25 occasions in 2015.
Newly formed Tropical Storm Koppu is on track to threaten the Philippines this weekend. Those in Taiwan and Japan should also monitor the storm for potential impacts next week.
Layton, NJ (1906)
11 degrees - record early season cold snap.
Denver, CO (1982)
Wet snow - 6 inches foothills; slush in city. Power lines down, as well as trees.
Early-season snows: Jay Peak 6 inches Warren 5 inches