Weather Saturday June 8 2024... New York City Fair and the Northeast T-storms Chicago and south Florida, dry in Atlanta and Texas also dry west coast

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Threats for severe weather and flash flooding for portions of the
Central Plains into the middle/lower Missouri River Valley through
Saturday...
...Excessive heat over the West and Southwest through Saturday but some
relief coming on Sunday...
Most of the active weather across the lower 48 will focus across the
central portion of the nation through the weekend in the form of severe
thunderstorms and potential for flash flooding. Anomalous moisture will
pool in the vicinity of a pair of frontal boundaries located over the
Central Plains this evening. Severe thunderstorms are expected to increase
in coverage through this evening near a stationary front currently in
place across Nebraska, with threats for large hail and damaging straight
line winds in addition to tornadoes. An organized thunderstorm complex is
likely to form tonight and translate toward the southeast toward the lower
Missouri Valley, carrying a risk for flash flooding with high rainfall
rates and possibly 4-5 inches of rain by Saturday morning.
Severe weather (mainly hail and wind) and flash flood potential will focus
a little farther south on Saturday as a cold front moves through the
central Plains. The threat region will extend from the central High
Plains, through southern KS into the middle Mississippi and lower Ohio
Valleys. Spotty rainfall totals in excess of 3 inches will be possible in
addition to the severe thunderstorms.
Out West, an upper level ridge in place over the western U.S. will
maintain the hot weather on Saturday that has been impacting the region
over the past couple of days. However, the upper level ridge will be
displaced and weakened with the approach of an upstream trough axis and
associated surface cold front. The cold front is forecast to arrive early
on Sunday and advance south and east during the day which will lower the
magnitude of hot weather. Temperatures however, are still likely to remain
up to roughly 10 degrees above average on Sunday.
Across the Great Lakes region into the Northeast, temperatures will run 5
to 15 degrees below average beneath the influence of upper level troughing
this weekend. The region will remain unsettled however, with multiple
rounds of showers and thunderstorms beneath the upper trough and with a
surface low/cold front tracking eastward through Sunday. East of the
Appalachians, from the Mid-Atlantic to Southeast, high pressure will keep
temperatures near to slightly above average for the weekend but with
little to no chances for precipitation. The one exception will be across
the Florida Peninsula where high temperatures in the middle to upper 90s
may challenge a few daily maximum temperature records on Saturday and
Sunday. In addition, diurnally driven thunderstorms are expected each day
but with a focus across southern Florida where access to better moisture
will reside.