Frost Advisory issued for parts of the Northland tonight; keeping an eye on thunder chances for Monday

Sunday morning will start out a little chilly once again with morning lows in the 30s and 40s, and there is a chance for patchy frost once again in parts of the Northland early Sunday morning, but by Sunday afternoon temps are forecast to warm to the middle 60s to low-mid 70s with a SW breeze. Note: 80 degree temps could return in Duluth on Tuesday.

Record Low Temperature for May 30th tied this morning at Hibbing, Minnesota with a low temperature of 30 degrees, this ties the record low for today’s date which was last set in 2001, and prior to that in 1996 and 1990.

Low Temperature reports from around the Northland from Saturday morning, May 30, 2020.

Source: https://www.weather.gov/dlh/

Hibbing, MN: 30F

Silver Bay, MN: 30F

3 E Wright, MN: 33F

2 E Celina, MN: 33F

Cotton, MN: 34F

International Falls, MN: 36F

Cook, MN: 36F

Bigfork, MN: 36F

Walker, MN: 36F

3 E Orr, MN: 36F

Grand Marais, MN: 37F

Floodwood, MN: 37F

Aitkin, MN: 37F

Grand Rapids, MN: 38F

Scattered showers along with a few thunderstorms are possible across the Northland on Monday.

There is a Marginal Risk of severe thunderstorms (Level 1 risk) on Monday for portions of northeast and east-central Minnesota, and for all of northwest Wisconsin (dark green area on map) Note: Large hail to 1″ in diameter (quarter size) is the main severe weather hazard for Monday.

Source: https://www.pivotalweather.com

Warm front moving east out of the Northern Plains on Monday could help generate a few showers and thunderstorms in the Northland thanks to increasing amounts of mostly elevated CAPE (instability)

Kind of an unusual spot to see a Severe Thunderstorm Watch in late May, but portions of Washington and Oregon are under a Severe Thunderstorm Watch through early this Saturday evening.

The Northland is currently under a pleasantly cool NW flow aloft, but by Monday will begin to get more of a WNW flow aloft across our area as the ridge over the southwest US builds further N-NE next week.

Temperatures this Saturday afternoon range from around 30 degrees on the east shores of Hudson Bay Canada to 105 degrees at Phoenix, Arizona.

There are signs showing up in the long range computer models for a wetter pattern to setup across the upper Midwest starting ~June 6th, will see if this actually does happen though. A dry pattern like much of the Northland has been in for months can be hard to break out of.

The forecast below shows total precipitation amounts through June 14th, 2020.

Source: 12z European ensemble model 5.30.2020; https://weathermodels.com

Thanks for reading!

Tim

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