Wintry mix spreads across Minnesota

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Sunday afternoon temperatures and dew points will be be comfortable across much of Minnesota and western Wisconsin.

You can hear updated weather information for Minnesota and western Wisconsin on the MPR News 

Air quality in Minnesota is forecast to be mainly in the moderate category this Sunday. Smoke from Canadian wildfires is mainly aloft, but some of the smoke has mixed down to the surface.

Hazy skies are expected in many areas today due to the smoke layer. The 

 updates Minnesota air quality readings each hour.

An unusually warm upper-level ridge will build northward Monday into Wednesday, so hot temperatures will spread to include more of Minnesota each day.

Monday highs will range from 90s in southwestern and south-central Minnesota to 60s in far northern Minnesota:

Twin Cities metro area highs will be mainly in the upper 80s on Monday, but a few spots in the metro could touch 90.

Tuesday highs reach triple-digits in southwestern and south-central Minnesota, as 90s expand through central Minnesota:

Twin Cities metro area highs will probably reach the upper 90s on Tuesday.

Wednesday high temperatures are forecast to reach triple-digits in roughly the southern third of Minnesota, including the Twin Cities:

The Twin Cities record highs for Aug. 22 (Tuesday) and Aug. 23 (Wednesday) are 97 degrees. One or both of those daily high temperature records could be broken. Stayed tuned for updates.

Twin Cities metro area highs are projected to reach the mid 90s on Thursday, followed by mid 80s Friday.

The National Weather Service has posted an excessive heat watch for roughly the southern third of Minnesota, plus several western Wisconsin counties, from noon Tuesday to 7 p.m. Thursday:

Here are details of the excessive heat watch:

The excessive heat watch begins Monday afternoon in parts of southwestern Minnesota.

Roughly the northern third of Minnesota has a chance of showers on Monday. The National Oceanic and Atmospheric Administration’s High Resolution Rapid refresh (HRRR) forecast model shows the potential rain pattern from 4 a.m. Monday to 10 p.m. Monday:

You can check these National Weather Service sites for updated weather info: 

MPR News display of National Weather Service radar

Hilary weakened to tropical storm strength Sunday morning and is no longer a hurricane.

Here’s the forecast track, plus the cone of uncertainty, for the center of Hilary:

Here are potential rainfall totals for Sunday into Monday:

Yellow-shaded areas are between 4 and 6 inches of additional rain, with 6 to 10 inches of additional rain possible in the orange-shaded areas.

Hilary’s flooding rains are a huge problem. Here’s an excerpt from the latest Hilary advisory issued by the 

This is the complete Sunday morning Hilary update from the NWS National Hurricane Center:

The National Hurricane Center will issue updates on Hilary every three hours or so.

You can hear my live weather updates on MPR News at 7:35 a.m., 9:35 a.m. and 4:39 p.m. each Saturday and Sunday.

Weather and Climate News

Updraft® - Minnesota Weather News

Ron Trenda

Author

Our Sunday temperatures and dew points are comfortable, but hot and steamy weather is on tap for Tuesday and Wednesday. We have details on the coming heat, plus an update on tropical storm Hilary.

Heat returns this week; Triple-digit highs in some places Tuesday & Wednesday

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