Weather Underground midday recap for Saturday, October 04, 2014

An area of low pressure inched across the Great Lakes on Saturday, while a ridge of high pressure lingered over the eastern Pacific,.

A large area of low pressure moved slowly eastward over the Great Lakes on Saturday. This system ushered widespread rain across the upper Midwest and the Northeast, as flood warnings were issued in northern Indiana. White Plains, N.Y., reported a midday total of 2.08 inches of rain. York, Pa., reported a midday total of 1.12 inches of rain. Mixed precipitation also developed over portions of the upper Mississippi Valley as temperatures dropped across the northern Plains and the upper Midwest. Freeze warnings were issued in central Minnesota and northwest Wisconsin on Saturday. Linton Municipal Airport, N.D., recorded a morning low of 19 degrees. Pine Ridge, S.D., recorded a morning low of 25 degrees. Meanwhile, a cold frontal boundary associated with the aforementioned low pressure system extended southward across the Eastern Seaboard. Isolated thunderstorms developed along the tail end of the cold front over parts of Florida. Sarasota, Fla., reported a midday total of 2.96 inches of rain.

The western half of the country remained warm and dry on Saturday due to a ridge of high pressure over the eastern Pacific. Heat advisories remained in place over the coast of southern California. Palm Springs, Calif., recorded a midday high of 99 degrees. Camp Pendleton, Calif., recorded a midday high of 91 degrees. .

Temperatures in the Lower 48 states Saturday have ranged from a morning low of 19 degrees at Tioga Municipal Airport, N.D. to a midday high of 100 degrees at Thermal, Calif.