Updraft® - Minnesota Weather News

Humid air, stalled front setting the stage for heavy rainfall risk

Several rounds of thunderstorms could add up

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Excessive rainfall outlook for Friday into early Saturday
National Oceanic and Atmospheric Administration, via Iowa Environmental Mesonet of Iowa State University

We have tropical dew points back over the region into the weekend. Friday will be hot and humid for southern Minnesota. Several rounds of thunderstorms will add up this weekend.

Humid air, stalled front may spawn heavy rain 

There will be some spotty showers and thunder moving across central and northern Minnesota Friday morning and midday. More spotty storms could develop late Friday afternoon and evening ahead of more activity overnight.

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Forecast simulated radar 9 a.m. Friday through 10 p.m.
National Oceanic and Atmospheric Administration, via Pivotal Weather

There is a slight risk (level 2 of 5) of severe storms Friday into Friday night also across southeast Minnesota.

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Severe weather outlook for Friday into Friday night
NOAA, via Iowa Environmental Mesonet of Iowa State University

It will be a steamy day Friday across central and southern Minnesota. Afternoon highs will be near 90 degrees across southern Minnesota with dew points in the low 70s, making for heat indices up to 95 degrees.

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Forecast highs Friday
National Weather Service

The humid air will hang around through the weekend into early next week, providing ample fuel for showers and thunderstorms with the potential for heavy rainfall.

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Forecast dew points Friday into Monday
European Centre for Medium-Range Weather Forecasts, via Pivotal Weather

More thunderstorms will develop Friday night into early Saturday across particularly central and southeastern Minnesota into western Wisconsin. 

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Forecast simulated radar 9 p.m. Friday through 9 a.m. Monday
NOAA, via Pivotal Weather

There’s a slight risk of excessive rainfall across much of central and southeastern Minnesota into western Wisconsin Friday into Friday night.

rain1
Excessive rainfall outlook for Friday into early Saturday
NOAA, via Iowa Environmental Mesonet of Iowa State University

A repeat of Friday night’s setup may occur Saturday and Sunday nights into the following mornings. Multiday rainfall totals could add up to more than 2 to 4 inches in some spots through Monday night with locally higher amounts possible.

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Forecast rainfall through Tuesday
NOAA, via Pivotal Weather

There’s a slight risk of excessive rainfall again Saturday into Saturday night across east-central Minnesota into western Wisconsin.

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Excessive rainfall outlook for Saturday into Saturday night
NOAA, via Iowa Environmental Mesonet of Iowa State University

Conditions finally dry out and calm down Tuesday into the remainder of next week. Dew points will drop slightly and the pattern will be a more settled one. Late next week may even bring some cooler air and comfortable dew points in the 50s.