Cooler but still well above normal this week

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This probably isn’t the kind of weather that you’d order up for your September Sunday. We’ll have cool temperatures, with periods of rain in many locations.

Roughly the southern third of Minnesota, plus parts of west-central/southwestern Wisconsin can expect periods of rain as we go through Sunday. Occasional scattered showers are possible from central Minnesota into northwestern Wisconsin. Southern Minnesota could also see an isolated afternoon thunderstorm. The Twin Cities metro area will ride the northern edge of the main rain swath.  I wouldn’t be surprised if the far south metro sees many more minutes of rain this Sunday than the far north metro.

As always, updated weather information can be heard on the Minnesota Public Radio 

, and you’ll also see updated weather info on the MPR News 

. You can see the recent local NWS radar loop 

 are also available. The recent radar loop for southwestern Minnesota can be found 

A batch of showers and thunderstorms is expected to move through Minnesota and western Wisconsin Monday and Monday night. The National Oceanic and Atmospheric Administration's North American Mesoscale forecast model shows the potential rain pattern Monday and Monday evening:

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.

National Weather Service Storm Prediction Center

 shows a marginal risk of severe weather Monday and Monday night for much of southern Minnesota:

Marginal risk means that an isolated severe thunderstorm is possible. The severe weather outlook for Monday will be updated Sunday afternoon and early on Monday.

There’ll be additional rounds of showers and thunderstorms Wednesday and Thursday. Many parts of Minnesota and western Wisconsin could see 2 to 4 inch rain totals from today through late Thursday.

Sunday highs will be mainly in the lower 60s across Minnesota and much of western Wisconsin,  with some upper 50s where the the thickest clouds and the rain linger a bit longer. A few spots in far northern Minnesota could see highs in the mid 60s.

Highs in the 70s return to far southern Minnesota on Monday;

Some spots in the Twin Cities metro area will probably reach 70 degrees.  Our average high temp is 75 degrees in the metro area this time of year.

Tuesday highs will range from the 60s in far northern Minnesota to the lower 80s in the far southeastern corner of Minnesota:

Some spots in the metro area could touch 80 degrees Tuesday afternoon.

Metro area highs are projected to reach the mid 70s Wednesday and thursday, then dip back into the 60s on Friday.

Starting on Monday, the Twin Cities NWS doppler radar will be offline for 3 weeks

There’s never a real good time to take a radar offline, but it has to be done periodically to keep the equipment functional. 

Duluth NWS radar was taken out of service for several days in August for a major upgrade. Now it’s time to upgrade the Twin Cities NWS doppler radar in Chanhassen:

According to the National Weather Service:

The NWS explained how storms will be monitored while the NWS doppler radar in Chanhassen is out of service:

Are you curious about what’s involved in the upgrade? Here’s a time-lapse of the pedestal replacement that was done to the NWS radar in Pendleton, Oregon:

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.

Weather and Climate News

Updraft® - Minnesota Weather News

Ron Trenda

Author

Our Sunday weather will be less than ideal. 

We’ll have cool temperatures, with periods of rain in many locations. 

Temperatures recover this coming week, but we’ll see several bouts of showers and thunderstorms.  Starting on Monday, the weather radar at the NWS Twin Cities office will be down due to an equipment upgrade.

Our Sunday weather will be less than ideal. We’ll have cool temperatures, with periods of rain in many locations. Temperatures recover this coming week, but we’ll see several bouts of showers and thunderstorms.  Starting on Monday, the weather radar at the NWS Twin Cities office will be down due to an equipment upgrade.


A very cool Sunday, with periods of rain

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