Summery Saturday; rain chances highest in western MN through Saturday night
Good weather for Grandma's Marathon
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The weather is outstanding for Grandma’s Marathon Saturday morning.
The starting point at Two Harbors reported an early morning temperature of 52 degrees. The ending point in Duluth will have temps in the mid and upper 60s later Saturday morning as many racers finish.
Air quality is good this morning along the Grandma’s Marathon route:
There’s no rain in the forecast for Grandma’s Marathon and light winds will be coming off of Lake Superior.
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Air quality
The Minnesota Pollution Control Agency is forecasting moderate air quality for most areas Saturday:
You can check current and forecast Minnesota air quality here.
Rain chances
Portions of western Minnesota and north-central Minnesota are seeing scattered showers and thunderstorms Saturday morning and those same areas will continue to see scattered rain activity into Saturday afternoon.
An isolated shower or thunderstorm could develop in the remainder of Minnesota and parts of western Wisconsin by late Saturday afternoon.
Scattered showers and thunderstorms are possible anywhere in Minnesota and western Wisconsin Saturday evening and overnight Saturday night.
The National Oceanic and Atmospheric Administration’s High-Resolution Rapid Refresh forecast model shows the potential rain pattern from noon to 11 p.m. Saturday:
Pay more attention to the patchy nature of the rain than the exact location of the rain at any point in time.
You can find updated weather information for Minnesota and western Wisconsin on the MPR News network. Find the latest radar here.
You can also check these National Weather Service sites for updated weather info: Twin Cities, Duluth, La Crosse, Wis., Sioux Falls, S.D., Grand Forks, N.D.
Weekend temps and dew points
The average Twin Cities high temperature is 80 degrees on June 17. Metro area highs are expected to reach the mid-80s Saturday.
Most of central and southern Minnesota plus western Wisconsin will have Saturday highs in the 80s, with 70s in the northern third of Minnesota:
Saturday will feature summery dew points, in the 50s in most areas but in the stickier 60s in southwestern Minnesota:
Update
A new Updraft will be posted around 10:30 a.m. It will include a look at Sunday and the week ahead.
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.
