Updraft® - Minnesota Weather News

Tropical air mass fuels scattered thunderstorms through Saturday

Local downpours from our humid air mass

It sure feels like August out there.

A pool of 70-degree dew points is oozing across Minnesota and the Upper Midwest.

Dew points Friday afternoon
Dew points Friday afternoon
Oklahoma Mesonet

As of this post, a weak wave is triggering a few scattered storms Friday evening that could move across southern Minnesota Friday night. NOAA’s NAM 3 km resolution model suggests there could be a few scattered thunderstorms near the Twin Cities between about 10 p.m. and midnight Friday into early Saturday morning.

NOAA NAM 3 km model 7 pm Friday to 7 am Saturday
NOAA NAM 3 km model output 7 p.m. Friday to 7 a.m. Saturday.
NOAA via tropical tidbits

Low severe risk

Scattered thunderstorms may redevelop again Saturday afternoon and evening in the warm humid air mass. NOAA’s Storm Prediction Center paints a marginal (low) risk that a couple of storms could reach severe limits Saturday.

Severe weather risk areas
Severe weather risk areas Saturday
NOAA

Summer continues

The weather maps suggest summery weather continues into early next week.

Twin Cities area forecast at a glance
Twin Cities area forecast at a glance
Twin Cities National Weather Service

There are signs of a potentially stronger cold front late next week.

Stay tuned.