Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Overall, this October was a typically quiet fall month. As the temperatures started to cool, we had our first light frost on the morning of the 16th, followed by more frosts on the 17th and 31st. The Harrison County Kentucky Mesonet site fell to 26° on the 17th.

On the 28th-29th Hurricane Zeta cruised through the Gulf of America and into Louisiana while a strong upper low pushed eastward across the southern Plains. Widespread rain drenched the Ohio Valley, with 48-hour rainfall amounts in southern Indiana and north central Kentucky in the 2 to 4 inch range. Fortunately the ground was dry before the rains hit and there was very little flooding.

On the 23rd a cold front crossed the region and sparked scattered storms with gusty winds and some hail, mostly small. Hail between one and one and a half inches in diameter, however, did fall on southern Clark County, Indiana.

	Average Temperature	Departure from Normal	Precipitation	Departure from Normal
Bowling Green	59.7°	+0.9°	3.68"	+0.30"
Frankfort	57.4°	+1.0°	5.13"	+1.89"
Lexington	56.2°	-0.8°	4.35"	+1.22"
Louisville Ali	60.0°	+0.5°	5.21"	+1.99"
Louisville Bowman	58.6°	+0.3°	5.39"	+2.17"

11th: Warm low of 67° at Bowling Green.
29th: Rainfall of 1.24" at Frankfort

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Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

October 2020 Summary