Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

The first two weeks were unusually cool, coming in three waves as a series of Canadian high pressure centers dropped through the region. The coldest morning occurred on the 9th with sunrise temperatures mostly in the 25 to 30 degree range. The 11th was particularly chilly as well with lows in the 30s and highs only in the 50s.

Though there was scattered severe weather on six days of the month, it mostly just resulted in isolated tree damage. There was one report of severe hail during the month when 1" hailstones were seen in Scott County, Kentucky.

	Average Temperature	Departure from Normal	Precipitation	Departure from Normal
Bowling Green	65.1°	-1.3°	3.22"	-2.22"
Frankfort	62.9°	-1.0°	6.25"	+1.54"
Lexington	61.4°	-2.8°	5.12"	+0.04"
Louisville Bowman	64.1°	-2.2°	4.83"	-0.15"
Louisville Ali	65.4°	-1.7°	5.93"	+0.82"

Records

7th: Low of 33° at Lexington
8th: Cold high of 55° at Frankfort
9th: Low of 34° at Bowling Green, low of 28° at Frankfort, low of 29° at Lexington
11th: Low of 35° at Lexington, cold high of 51° at Lexington
12th: Low of 35° at Lexington
16th: Rainfall of 1.19" at Frankfort
24th: Warm low of 71° at Frankfort

Horses enjoying pleasant May weather on the 8th in Louisville.

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Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

May 2020 Summary