StormTeam3: Storms Monday with a touch of flash flooding Tuesday

Conditions will briefly turn summer-like Monday before a cold front ushers in cooler weather and a prolonged rain event.

Posted: Sep 29, 2019 5:46 PM

A warm front was moving north through the area Sunday; warming temperatures, increasing the humidity, and creating widespread overcast clouds. On Monday, partly sunny conditions and the warm front will bring the high temperature to a summer like 84 degrees! And with dew points near 70, there will be plenty of fuel for storms to develop on this summer-like day. This won't last long however...

A cold front will move through from the NW Monday evening and let those storms pop. There is marginal risk, a low risk designation, for severe weather Monday evening according to the Storm Prediction Center. Winds in the upper atmosphere will not be that conducive to severe weather, so the risk of large hail and tornadoes is quite low. The bigger concern lies in the rain.

The cold front Monday will quickly slow to a near halt late Monday night into Tuesday morning. Thunderstorms Monday will transition into more prolonged, but less intense, rain showers on Tuesday. Mid-day Tuesday, this front will be hanging around in North Iowa. Stalling fronts can allow rain to continually drop in the same area for extended periods of time, posing a significant flooding threat. As such, Tuesday will be rainy for virtually the entire day with the occasional heavy downpour. 

The cold front will finally move on its way out by Wednesday morning and leave temperatures in the 50s in its wake, but the accumulated rainfall by this time could be excessive. From the Weather Prediction Center and various computer models, we could see widespread rainfall accumulations of 2+ inches. Most of this rain will fall on Tuesday, so there is risk for flash flooding. The rain event will extend from Southern MN into Central Iowa, and east into Wisconsin. 

We are tracking this front as it develops.

Minnesota Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 42772

Reported Deaths: 1542
CountyConfirmedDeaths
Hennepin13697791
Ramsey5313234
Dakota275396
Stearns253619
Anoka2458111
Nobles16946
Washington130641
Olmsted130220
Mower9872
Scott8994
Rice8928
Clay62038
Kandiyohi5951
Blue Earth5862
Wright5475
Carver5002
Todd4042
Sherburne3725
Lyon3512
Freeborn3140
Watonwan2720
Steele2501
Benton2423
St. Louis23816
Nicollet20712
Martin1755
Winona15015
Cottonwood1420
Goodhue1428
Le Sueur1361
Crow Wing11512
Otter Tail1151
Pine1150
Chisago1111
McLeod1030
Dodge990
Carlton940
Polk903
Unassigned8838
Pipestone864
Isanti830
Murray830
Chippewa811
Waseca800
Itasca7612
Douglas740
Morrison691
Becker680
Meeker661
Faribault610
Jackson580
Sibley572
Beltrami550
Pennington540
Brown492
Wabasha430
Mille Lacs412
Renville373
Fillmore360
Rock350
Swift351
Grant320
Houston320
Yellow Medicine310
Roseau280
Lincoln250
Redwood250
Koochiching221
Wilkin223
Norman210
Cass202
Big Stone180
Kanabec181
Wadena180
Aitkin160
Marshall160
Clearwater150
Mahnomen131
Pope130
Stevens110
Hubbard100
Lake90
Traverse70
Lac qui Parle50
Red Lake50
Kittson20
Cook10
Lake of the Woods00

Iowa Coronavirus Cases

Data is updated nightly.

Confirmed Cases: 35534

Reported Deaths: 754
CountyConfirmedDeaths
Polk7611185
Woodbury334944
Black Hawk253459
Buena Vista173811
Johnson14878
Dallas141531
Linn141083
Marshall110019
Scott109810
Dubuque100023
Story8778
Pottawattamie84113
Wapello71631
Muscatine69545
Crawford6813
Sioux5050
Tama48829
Webster4295
Wright3991
Louisa36713
Jasper35717
Plymouth3535
Warren3371
Cerro Gordo3291
Dickinson3073
Washington2559
Hamilton2041
Boone1751
Clay1511
Clarke1453
Clinton1391
Allamakee1384
Mahaska11917
Shelby1190
Carroll1171
Bremer1167
Franklin1130
Poweshiek1128
Pocahontas1091
Des Moines1022
Emmet970
Cedar961
Henry933
Hardin920
Cherokee851
Marion840
Floyd822
Guthrie814
Taylor810
Benton781
Monona780
Jones741
Butler702
Osceola690
Sac680
Jackson670
Buchanan651
Calhoun652
Iowa631
Jefferson630
Hancock621
Harrison620
Lyon610
Humboldt601
Fayette590
Delaware581
Madison562
Lee542
Mills530
Palo Alto530
Monroe527
Clayton503
Winneshiek500
Grundy470
Mitchell470
Winnebago440
Davis431
Kossuth430
Union430
Howard370
Lucas354
Unassigned350
Chickasaw310
Greene310
Cass300
Worth270
Appanoose243
Keokuk241
Ida230
Page220
Van Buren211
Audubon181
Adair170
Ringgold161
Montgomery152
Decatur130
Fremont110
Wayne110
Adams80
Rochester
Broken Clouds
69° wxIcon
Hi: 78° Lo: 58°
Feels Like: 69°
Mason City
Broken Clouds
70° wxIcon
Hi: 84° Lo: 60°
Feels Like: 70°
Albert Lea
Overcast
70° wxIcon
Hi: 76° Lo: 58°
Feels Like: 70°
Austin
Broken Clouds
70° wxIcon
Hi: 79° Lo: 59°
Feels Like: 70°
Charles City
Scattered Clouds
70° wxIcon
Hi: 84° Lo: 62°
Feels Like: 70°
Slight Risk of Severe Storms Tuesday as a Cold Front approaches
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