Weekend weather: Steamy Sunday; afternoon-evening thunderstorm possible
Dew points will be rising
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Temperatures and dew points will be on the rise this weekend.
Our average July 9 high temp is 84 degrees in the Twin Cities. Metro area highs are expected to be near normal on Saturday. Highs will be mainly in the 80s across Minnesota and western Wisconsin Saturday afternoon, with some 70s in northeastern Minnesota:

Saturday afternoon dew points will be mainly in the 60s, with the stickiest dew points (upper 60s) in western Minnesota:

High temps ramp up a bit in the southern half of Minnesota on Sunday, reaching the upper 80s to lower 90s:
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Sunday afternoon dew points will be in the steamy 70s in much of central and southern Minnesota:

Thunderstorm chances
There will be plenty of rain-free hours at any given location in Minnesota and western Wisconsin this weekend. Many areas will also see some thunderstorms at times, with severe weather possible.
Scattered thunderstorms could move into northwestern Minnesota Saturday afternoon, then spread to the east and southeast Saturday evening and overnight Saturday night.
The National Weather Service Storm Prediction Center shows a slight risk of severe weather (shaded yellow) in far northwestern Minnesota Saturday and Saturday night:

Slight risk means that scattered severe thunderstorms are possible.
The dark-green shaded area in the remainder of northwestern Minnesota plus west-central Minnesota is in a marginal risk of severe weather Saturday afternoon through Saturday night, which means that an isolated severe thunderstorm is possible. The severe weather outlook will be updated later Friday and also Saturday.
An advancing cool front and upper-level disturbance will combine to ignite more numerous thunderstorms over Minnesota and parts of western Wisconsin Sunday afternoon and evening.
The severe weather outlook for Sunday shows a slight risk (shaded yellow) of severe weather spread over much of Minnesota:

Most of the Twin Cities metro area is in a marginal risk of severe weather Sunday afternoon into Sunday night, meaning that an isolated severe thunderstorm will be possible.
You can hear updated weather information for Minnesota and western Wisconsin on the Minnesota Public Radio News network, and you can see updated weather info on the MPR News live weather blog.
Programming note
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.
