Regional Weather Summary
Issued by NWS Des Moines, IA

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AWUS83 KDMX 160921

Weather Summary for Iowa
National Weather Service Des Moines IA
421 AM CDT Fri Jun 16 2017

Severe thunderstorms rolled over the region Thursday evening with
large hail and damaging thunderstorm winds. Another round of severe
storms is expected later this afternoon and tonight with more severe
weather on Saturday. Early this morning clouds lingered over the south
and east with some showers and isolated thunderstorms over far eastern
Iowa. Temperatures remained in the 60s over most of the state with
light south winds under 10 mph.

Low pressure will develop over eastern Nebraska this afternoon with a
warm front stretching into Iowa. This afternoon with high temperatures
reaching the upper 80s to lower 90s and dewpoints in the mid to upper
60s...the atmosphere will become very unstable. An upper level system
will arrive late in the afternoon and is likely to set off strong
thunderstorms over northern to northwest Iowa by early evening. The
storms will gain strength and cross the region during the evening
hours with large hail...damaging thunderstorm winds and possibly a few
tornadoes. By late tonight the storms will move southeast of the
state. Late Saturday morning another strong upper level system will
enter Iowa from the west. Another round of severe thunderstorms will
be possible over much of southern Iowa Saturday afternoon into the
evening hours. Damaging winds and large hail are again expected to be
the primary threats. Highs Saturday will be very warm over the south
and begin to cool off across the north.

By Sunday much cooler air will overspread the region with a stretch
of more comfortable temperatures and humidity expected through Tuesday.
Highs will fall to the 70s to lower 80s with lows in the 50s and 60s.
Late in the week warmer and more active weather returns to the region.


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