Weather across the nation on October 11, 2016

Cold frontal boundary sets weather tone in upper Mississippi Valley and Upper Midwest

A wave of low pressure shifted over the central Plains and the upper Mississippi Valley today and a cold frontal boundary associated with this system stretched southwestward from upper Midwest to the Four Corners.

This mix produced showers and thunderstorms along and near the frontal boundary across parts of the Midwest, the Plains and the central Rockies. Cold air trailed this frontal boundary over the Pacific Northwest, the upper Intermountain West and the northern Plains.

This cold air supported a mixture of rain and snow across the northern Rockies and the northern Plains. Winter weather advisories were issued for most of Montana. Big Timber, Montana., reported a midday total of 13.1 inches of snow.

Livingston, Montana, reported a midday total of 9.5 inches of snow. Additionally, freeze warnings were issued in southern Idaho, northern Oregon and Washington. Mullan Pass, Idaho, recorded a morning low of 21 degrees with a wind chill factor of 17 degrees.

Meanwhile, an onshore flow from the Gulf of Mexico lead to scattered storms along the western Gulf Coast. Flood warnings were issued in parts of southern Texas. Houston reported a midday total of 0.72 of an inch of rain.

Scattered showers also developed along the east coast of Florida. Most of the Mid-Atlantic and the Northeast experienced dry weather as high pressure lingered over New England.

TUESDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................94 Canadian, Texas

HIGHEST HEAT INDEX (DEGREES F)..........................93 Houston Clover, Texas

LOWEST TEMPERATURE (DEGREES F)..........................19 Cut Bank, Montana

LOWEST WIND CHILL (DEGREES F)...........................2 Gulkana, Alaska

HIGHEST WIND GUST (MPH).................................62 Koliganek New Airport (New, Alaska)

HIGHEST PRECIPITATION (INCHES)..........................2.76 Watford City, North Dakota

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Copyright 2016 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.


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