Short Range Forecast Discussion
NWS Weather Prediction Center College Park MD
259 AM EDT Thu Apr 10 2025

Valid 12Z Thu Apr 10 2025 - 12Z Sat Apr 12 2025

...Elevated risk of severe weather from portions of the Lower Ohio Valley
and the Mid/Deep South Thursday into parts of the southern Eastern
Seaboard Friday...

...Mixed rain/wet snow from the Great Lakes to interior New England
Thursday will be followed by cold soaking rain showers across the
Mid-Atlantic Friday into early Saturday...

...Well above normal and near-record warmth builds across the West and
into the Plains through the weekend...

...Turning cooler and unsettled across the Pacific Northwest...

The main weather story across the United States will be a low pressure
system that is forecast to progressively develop over the Eastern U.S. the
next couple of days. This system will gradually strengthen and bring
everything from severe weather, to widespread cold soaking rain showers,
to even a little bit of snow through the early part of the weekend.
Kicking things off will be some areas of mixed rain and wet snow showers
from the Great Lakes to interior New England through Friday morning as the
first wave of moisture associated with the developing low moves in. The
low will then continue to strengthen as it moves southeastward into the
Lower Ohio Valley and Mid-South Thursday afternoon and evening. Ahead of
the low and its attendant cold front, increasing moisture and instability
will set the stage for strong to severe thunderstorms across the region
late Thursday into early Friday. As a result, the Storm Prediction Center
maintains a Slight Risk (level 2/5) of severe thunderstorms, with damaging
winds and large hail the main hazards. Intensification of the low pressure
system continues on Friday as it begins to track northeastward into the
Mid-Atlantic. With cold high pressure anchored across Southeast Canada,
plentiful moisture and brisk east and northeasterly winds will combine to
produce a cold soaking rain and a soggy, blustery, and raw end to the work
week across much of the northern Mid-Atlantic. In the warm sector farther
south, strong thunderstorms will again be a concern from parts of
southeast Virginia to northern Florida. Rain showers will likely continue
into Saturday across parts of the Mid-Atlantic and Northeast, with a
little more snow possible on the northern fringe of the precipitation
shield in northern New England. Conditions gradually improve across the
East later Saturday into Sunday with the storm slowly pivoting out into
the Atlantic.

In stark contrast to the cool, wet, and stormy weather expected in the
East the next few days, very warm and dry weather will prevail across most
of the West through the weekend thanks to a building upper-level ridge of
high pressure. The strengthening ridge will promote plenty of sunshine and
increasing warmth for most of the region through Saturday, with daily high
temperatures soaring to between 10 and 30 degrees above normal. These
anomalies translate to highs in the 70s, 80s, and 90s across the lower
elevations of the Southwest, Great Basin, Intermountain West and
northern/central Plains, and highs in the 90s and 100s across portions of
the Desert Southwest and southern Plains. High temperatures may even
approach or possibly break records for many places Thursday, Friday and
into the weekend.   

Unlike the rest of the West, the Pacific Northwest will turn cooler and
unsettled again through the weekend as a series of frontal systems push
inland. The fronts that move through will be accompanied by Pacific
moisture, leading to episodes of showers over the course of the next few
days. Showers will be comprised of rain in the coastal regions and lower
elevations, while snow will fly in parts of the high country. Snow
accumulations in the mountains will mostly be light, with any higher
amounts confined to the highest peaks of the Cascades. The increasing
clouds and precipitation associated with the cool Pacific air brought in
by these systems will lead to high temperatures turning progressively
below normal through the early part of the weekend. 

Miller


Graphics available at
https://www.wpc.ncep.noaa.gov/basicwx/basicwx_ndfd.php