Blizzard warnings in Northwest Minnesota, winter weather advisories across the state

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Southwestern Minnesota had a very wet June:

https://twitter.com/NWSTwinCities/status/1013544279325794310

The last thing that they needed was more rain, but flooding rains hit parts of southwestern Minnesota early this Tuesday morning:

https://twitter.com/NWSTwinCities/status/1014119415057735680

Marshall, Tracy and Redwood Falls were all in the heavy rain path.

Additional reports included 10.50 inches in Wabasso:

NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN

LOCATION                     AMOUNT     PROVIDER

WABASSO                      10.50 IN   TRAINED SPOTTER

REDWOOD FALLS                8.20 IN    GOES

3 WSW REDWOOD FALLS          7.12 IN    MESONET

SEAFORTH                     7.00 IN    TRAINED SPOTTER

BEAVER FALLS                 5.59 IN    GOES

1 SW NORTH REDWOOD           5.25 IN    CO-OP OBSERVER

REDWOOD FALLS                5.21 IN    GOES

LUCAN                        4.55 IN    COCORAHS

DELHI 5NE                    4.32 IN    COCORAHS

OBSERVATIONS ARE COLLECTED FROM A VARIETY OF SOURCES WITH VARYING

EQUIPMENT AND EXPOSURES. WE THANK ALL VOLUNTEER WEATHER OBSERVERS

FOR THEIR DEDICATION. NOT ALL DATA LISTED ARE CONSIDERED OFFICIAL.

The Minnesota State Climatology Office's 

 of the thunderstorms. It shows "training" thunderstorms, which means that they were moving over same areas repeatedly, like train cars moving along a rail line.

Many roads were flooded, and some roads were washed out:

https://twitter.com/jcjacobsen/status/1014262146929225728

Flood warnings continue for the light-green shaded areas on the 

The torrential rains will lead to some higher river levels in southern Minnesota.

 page and click on a location for river level details and forecasts.

Updated weather information can be heard on the Minnesota Public Radio 

, and updates are also posted on the MPR News 

There's a flood watch in effect until 7 p.m. Wednesday for portions of northern Minnesota:

There was an unofficial report of 7 inches of rain at Redwood Falls, and a few higher amounts elsewhere.

 is the most modern way to estimate how often a specific location can be expected to see a specific amount of rain.

Here's what Atlas 14 shows for Redwood Falls:

It appears that Redwood Falls was in the "500 year rainfall" range with their 7 to 8 inch total in 6 hours. Wabasso, to the southwest of Redwood Falls, was probably in their "1000 year rainfall" category with over 10 inches.

The Twin Cities metro area 10-inch rainfall on July 23-24, 1987 was in the 500 year storm category on the Atlas 14 chart, but it was only about an inch from reaching the 1000 year storm category for the metro area.

Scattered showers and thunderstorms are possible in northern and central Minnesota overnight this Tuesday night, and in all parts of Minnesota on the 4th of July.

Several rain-free hours are expected on Wednesday, but there's a chance that showers and thunderstorms will affect some festivities.

Some of the thunderstorms could be severe.

 of the NWS has a large portion of Minnesota in a slight risk of severe weather Wednesday and Wednesday night:

Slight risk means that scattered severe thunderstorms are possible:

Northern Minnesota will have highs in the lower 80s on the 4th of July.

It's a different story in the south, with lower 90s on tap in many spots:

The Twin Cities metro area, and areas to the south and east, are in an excessive heat watch from 11 a.m. to 9 p.m. on the 4th of July:

Southeastern Minnesota is in a heat advisory during the afternoon and early evening of the 4th.

It'll be cooler on Thursday, and throughout the coming weekend.

Twin Cities metro area highs are expected to be  in the lower 80s Thursday and Friday, followed by middle 80s this weekend.

Weather and Climate News

Updraft® - Minnesota Weather News

Ron Trenda

Author

Southwestern Minnesota had a very wet June: Precipitation map for June across the region. Parts of southwest and south central Minnesota have received over 10" of rain since June 1st, which is double the normal amount. #mnwx #wiwx pic.twitter.com/sDBdJdKbcI — NWS Twin Cities (@NWSTwinCities) July 1, 2018 The last thing that they needed was more…

Excessive heat watch and thunder chance for the 4th; SW Minnesota flood update

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