Regional Weather Summary
Issued by NWS Omaha/Valley, NE

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AWUS83 KOAX 251029 CCA

Weather Summary for Eastern Nebraska and Southwest Iowa
National Weather Service Omaha/Valley NE
438 AM CDT Tue Jul 25 2017

Tranquil conditions prevailed across the region during the bulk of
the overnight hours. Thunderstorms brought one-quarter to one-half
inch of rain across portions of Knox and Antelope Counties around
midnight, but storms dissipated during the early morning hours.
Otherwise, only few high clouds drifted across the region.
Temperatures fell into the upper 60s to lower 70s in most locations.
Winds were from from the south at speeds from 5 to 10 mph.

A warm front was draped across South Dakota, eastern Nebraska into
eastern Kansas, while a cold front arced across North Dakota into
the northern Rockies.  These frontal systems will merge and drop
southward today into tonight.  Thunderstorms are expected to develop
from western Minnesota, southern South Dakota into central and
western Nebraska by this afternoon.  The frontal system and storms
will make slow progress, and may not affect northeast Nebraska until
the late evening hours. Western Iowa and southeast Nebraska may not
experience storms until the pre-dawn hours of Wednesday.

In advance of the frontal system, temperatures will be hot and humid
today.  Afternoon highs will range from the lower 90s in extreme
southeast Nebraska, to around 100 along the Niobrara River Valley.
Humidity will make conditions uncomfortable this afternoon, with
heat indices from 100-107.  Southerly breezes may bring some relief,
as south winds will increase into the 10 to 20 mph range, with gusts
up to 25 mph.


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