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Not your ideal Sunday weather; cool with periods of rain in many locations

Warmer this coming week, with some showers and t-storms at times

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I know, this isn’t the weather that you’d prefer to see on a Sunday.

Periods of rain are a good bet over about the southern half of Minnesota and parts of western Wisconsin on Sunday. The National Oceanic and Atmospheric Administration's North American Mesoscale forecast model shows the potential rain pattern Sunday and Sunday evening:

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NOAA NAM simulated radar Sunday through Sunday evening
Tropicaltidbits.com

It’ll rain in some areas that look dry in the loop, but the loop illustrates the general rain pattern. An isolated thunderstorm will also be possible.

As always, updated weather information can be heard on the Minnesota Public Radio Network, and you’ll also see updated weather info on the MPR News live weather blog. You can see the recent local NWS radar loop here. The northwestern Minnesota radar loop and the northeastern Minnesota radar loop are also available. The recent radar loop for southwestern Minnesota can be found here, and the southeastern Minnesota loop here.

Much of Minnesota, plus western Wisconsin, will see periods of showers and thunderstorms Monday and Monday night, and also on Wednesday and Thursday.

Temperature trends

Sunday afternoon highs will only reach the 60s across most of Minnesota, including the Twin Cities metro area, plus western Wisconsin.  That’s really cool; our average Twin Cities high temperature is a comfortable 75 degrees this time of year.  

Monday highs recover in southern Minnesota, and some spots in the metro area could touch 70:

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Monday forecast highs
National Weather Service

Tuesday will be the warmest day of the coming week, with lower 80s in portions of southern Minnesota, and a few mid 80s possible in far southeastern Minnesota: 

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Tuesday forecast highs
National Weather Service

On Tuesday, we’ll probably reach 80 degrees or warmer for the first time since Aug. 20 in the Twin Cities metro area.  Metro area highs are projected to reach the mid 70s Wednesday and Thursday.

Dorian update

What had been Hurricane Dorian is now Post-Tropical Cyclone Dorian. What exactly does that mean? The National Hurricane Center’s glossary has this definition of post-tropical cyclone:

A former tropical cyclone. This generic term describes a cyclone that no longer possesses sufficient tropical characteristics to be considered a tropical cyclone. Post-tropical cyclones can continue carrying heavy rains and high winds. Note that former tropical cyclones that have become fully extratropical...as well as remnant lows...are two classes of post-tropical cyclones.

This is the projected track of Post-Tropical Cyclone Dorian over the next couple of days:

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Forecast track of Post-Tropical Cyclone Dorian
NWS National Hurricane Center

Here’s a portion of the Saturday evening Dorian update issued by the National Hurricane Center:

The post-tropical cyclone is moving toward the northeast near 30 mph (48 km/h), and this general motion is expected to continue for the next 24 hours. After that, a turn toward the east-northeast is expected. On the forecast track, the center of Dorian should cross the coast of Nova Scotia near Halifax during the next few hours, then move across eastern Nova Scotia into the Gulf of St. Lawrence near Prince Edward Island tonight. The center should then pass near or over northern Newfoundland and eastern Labrador late tonight or Sunday morning.

Programming note

You can hear my live weather updates on Minnesota Public Radio at 7:49 a.m. Thursdays and Fridays, and at 7:35 a.m., 9:35 a.m. and 4:35 p.m. each Saturday and Sunday.