Severe weather risk for western Minnesota Saturday

The timing for rainfall and storms this weekend

Severe weather risk areas
Severe weather risk areas Saturday
NOAA

Scattered rain is in the forecast for Minnesota this weekend.

But the short-range forecast models are grabbing hold of a possible line of stronger thunderstorms developing in western Minnesota Saturday night and moving across much of Minnesota.

NOAA’s NAM 3 km resolution model and others develop storm clusters in the eastern Dakotas late Saturday afternoon and push a possible squall-line across Minnesota Saturday evening into the overnight hours.

NOAA NAM 3 km model
NOAA NAM 3 km model between 6 p.m. Saturday and noon Sunday
NOAA via tropical tidbits

Current trends suggest the timing of the storms would favor Saturday evening in western Minnesota and after midnight along northwest Minnesota through Brainerd and St. Cloud through the Twin Cities arc. Storms become more likely in northeast Minnesota Sunday morning.

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Slight severe risk

The highest chance for severe weather favors west-central Minnesota from the Fargo-Moorhead area through Wheaton and Alexandria. Here’s a look at the risk zone Saturday for the Red River Valley and much of northwest Minnesota:

A marginal risk runs to just west of the greater Twin Cities area Saturday night. Here’s a closer look at the risk zone for central and southern Minnesota:

Severe weather risk areas
Severe weather risk areas Saturday
NOAA

Rainfall totals

It still looks like the heaviest soaking rains will favor northern Minnesota, but the overall rainfall zone may extend south toward the Twin Cities. Here’s the rainfall output from the Twin Cities NWS into Sunday morning:

Rainfall potential
Rainfall potential
Twin Cities National Weather Service

Keep an eye out for possible severe weather watches and warnings — especially Saturday night in the western half of Minnesota.