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Associated Press

Posted on October 22, 2013 at 3:33 AM

Updated Tuesday, Oct 22 at 4:01 AM

Weather Underground Forecast for Tuesday, October 22, 2013.

Active weather continues across the Midwest, Great Lakes, and Northeast, while showers and thunderstorms along the Gulf coast taper off on Tuesday. A low pressure system over the Great Lakes advances eastward and further into eastern Canada on Tuesday. A cold front associated with this system will pull further eastward and weaken as the low pressure system moves northeastward throughout the day. Thus, shower and thunderstorm activity will diminish along the front for the Northeast and Mid-Atlantic states. Following very closely behind this system, another system will slide across the upper Midwest and into the Great Lakes and Ohio River Valley, bringing showers with it. Cooler temperatures will accompany this system, allowing for overnight and early morning frost advisories to remain in effect for parts of the Midwest and Northeast. Overnight and early morning snow showers are also possible for these areas as low temperatures below freezing will allow for rain to turn to snow showers.

In the Gulf of Mexico, a stationary front that has brought scattered showers and thunderstorms to the Gulf coast will weaken and pull southward away from land. The system will linger over central and southern Florida, however, maintaining chances of showers and thunderstorms for the state.

Out West, a broad ridge of high pressure will continue to produce dry and mild conditions for the Western states.

Temperatures in the Lower 48 states Monday have ranged from a morning low of 15 degrees at West Yellowstone, Mont. to a high of 90 degrees at Opa Locka, Fla.

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