The nation’s weather

Weather Underground Forecast for Friday, May 31, 2013.

Severe storms will persist across the center of the nation on Friday as a strong low pressure system continues slowly moving eastward from the Northern Plains and Upper Midwest, into the Great Lakes. Flow around this system will allow for a warm front to extend eastward across the Great Lakes and into the Northeast, while a cold front trails the system to the southwest, stretching from the Great Lakes into the Central and Southern Plains. Warm and humid air from the Gulf of Mexico will continue pouring in from the South, allowing for showers and thunderstorms to develop from the Southern Plains into the Ohio River Valley and Midwest. This system has a history of producing multiple tornadoes, heavy rainfall, strong winds, and large hail. Thus, some of these storms will turn severe. If severe storms develop, they will most likely be contained to Oklahoma, southeastern Kansas, Missouri and northern Arkansas. Meanwhile, the northern side of this system will allow for widespread rain showers to persist for the Northern Rockies and Northern Plains. Flooding will remain a concern for most of eastern Montana and western North and South Dakotas.

Further west, a trough of low pressure will allow for a few light showers to persist over far northwestern Washington. High pressure building up the West Coast will help dry out the region. In the Desert Southwest, however, this ridge of high pressure will maintain hot temperatures with highs reaching into the lower 100s in some areas.

Temperatures in the Lower 48 states Thursday have ranged from a morning low of 24 degrees at Monarch Pass, Colo. to a high of 97 degrees at Needles, Calif.

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