The Balkan Peninsula will get a taste of summer through the midweek.
Parts of this week will feel more like summer across the Midwest and Northeast with the warmest days of 2015 so far.
Wind, seas and surf will build in advance of what could potentially become the first tropical system of 2015 along the southeastern Atlantic coast of the United States this week.
Showers and thunderstorms will frequent the Central states this week with the risk of beneficial rain and also the potential for flooding and severe weather.
Severe winter weather played a major role in paltry U.S. economic growth in the first quarter of 2015, but hopes are high for an increase in spring and summer sales in regions that were gripped by a long winter.
The threat for potentially damaging thunderstorms will shift eastward across Europe through midweek.
Monroe, LA (1989)
Severe hailstorm (hail as big as oranges) damaged thousands of cars.
El Campo, TX (1991)
Winds gust to 105 mph during a severe thunderstorm.
Prudhoe Bay, AK (1992)
Low temperature of minus 19 -- all-time May low temperature for area.