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Chilly weather continued for the East on Tuesday, while hot weather persisted in the Plains.

These conditions persisted through Tuesday as high pressure spanned across parts of the West and Great Plains and a trough of low pressure over the Eastern Seaboard began to shift eastward.

North to northwest flow in between these systems pumped colder air from the north into the East, maintaining chilly weather in the Northeast and parts of the Ohio Valley and cool weather conditions in the Southeast. Areas of the Central Appalachians into the Northeast saw various Freeze Watches and Warnings and Frost Advisories from Monday night through Tuesday morning.

As cool weather continued for the East, high pressure over portions of the West and Plains allowed for another day of warming in the Great Plains. Record highs were possible on Tuesday as many areas of the region experienced some of this season's warmest temperatures to date.

Daytime highs reached well into the 90s from parts of the upper Southern Plains into the parts of the Mid- and Upper Mississippi Valleys. A few areas of Nebraska reached well past the century mark this afternoon, with a high of 107 reported in Tekamah, Nebraska.

Elsewhere, showery weather in the Northwest tapered off and shifted eastward across the Northern Plains and into the Upper Midwest as associated frontal disturbances advanced eastward across the northern tier of the nation. By the afternoon, a warm front reached the Upper Mississippi Valley with a few showers, while a strong associated cold front moved across the North-Central U.S. with gusty winds.

Gusty westerly winds combined with low relative humidity levels, hot temperatures in the 70s and lower 80s, potential for dry lightning, and dry fuels yielded extreme fire danger conditions and potential for rapid fire growth. Outside of this area, chances of light showers and isolated thunderstorms became possible in the southern tip of Texas, while a patch of light showers dropped across the eastern Ohio Valley into the Central Appalachians..

TUESDAY'S WEATHER EXTREMES:

HIGHEST TEMPERATURE (DEGREES F).........................107 Tekamah, Neb.

HIGHEST HEAT INDEX (DEGREES F)..........................107 Des Moines, Iowa

LOWEST TEMPERATURE (DEGREES F)..........................15 Mt. Washington, N.H.

LOWEST WIND CHILL (DEGREES F)...........................-19 Deadhorse, Alaska

HIGHEST WIND GUST (MPH).................................66 Dickinson, N.D.

HIGHEST PRECIPITATION (INCHES)..........................0.65 Ketchikan, Alaska ON THIS DATE.......

On this date in 1896, Climax, CO reported a low temperature of -10 degrees, setting a United States low temperature record for the month of May. Two years later, hailstones over nine inches in circumference pounded through Kansas City, MO causing many south-facing windows to be broken.

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