StormTeam 3 (10 pm update): Severe storms target parts of northern Iowa overnight

Damaging winds and large hail possible

Posted: Aug 19, 2019 4:10 PM
Updated: Aug 19, 2019 9:41 PM

10 p.m. update: A strong low level jet is expected to develop overnight tonight.  The storms developing will initially be hail-makers and potentially isolated tornado producers.  Major complex of thunderstorm will be triggered with heavy rainfall and high winds.  This has a chance to clip the southern and western sections of the viewing area after 2 am, and moving out by 6 or 7 am.  Truly, the best chances for severe weather will be in central and southern Iowa.  The StormTeam 3 group will be monitoring the situation closely all night. - Chris Nelson 


Severe weather dynamics come together overnight tonight into parts of Iowa. A strong transport of moisture and a favorable trough will combine to produce rain, wind, and even isolated tornadoes.

This will not impact most of the area, but there will be chances in the southern portions of the KIMT viewing area. Enough moisture and lift will run into Tuesday which may lead to isolated showers and clouds.

A lot of "ifs" for Tuesday late and early Wednesday with another disturbance and cold front. We may have to watch for some storms to develop. The rest of the work week appears quiet and cooler as daytime temperatures drop into the 70s. It'll feel more like fall again.

Tonight: Slight chance of storms late
Lows: Low 60s
Winds: S 5-10 mph

Tomorrow: Storms early, then partly sunny
Highs: Mid 80s
Winds: SW 5-10

Tomorrow Night: Partly cloudy, slight chance
Lows: Around 60
Winds: NW 5-10

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