Saturday, June 4, 2016

June 4, 2016: Half to one inch rain totals in the Northland since Friday; Around 70 degrees with scattered storms for Sunday

/Issued 6:30 PM CDT, Saturday, June 4, 2016/

Future radar for Sunday afternoon per 12z WRF-NSSL;

Tomorrow's setup features a northwest flow (30-50 knots in the mid levels) Activity that develops should move fairly quickly toward the southeast.

Low temperature forecast for tonight.  Source, National Weather Service Duluth, Minnesota.

High temperature forecast for Sunday.  Source, National Weather Service Duluth, Minnesota.

24-hour rainfall map ending the morning of June 4, 2016.  Source, Midwest Regional Climate Center.

A major heat wave over the western U.S. the next few days will move east into the Plains and Upper Midwest next week, likely moving into Minnesota either on June 9th-10th the way it looks now; Daytime highs in the 80s and 90s in Minnesota with much cooler temperatures possible near Lake Superior -- 100s in parts of the Dakotas and western High Plains region.  Dew points climbing into the 60s and 70s by late in the week.  The map below shows the projected 500mb heights for one week from today, Saturday, June 11th, 2016.  Source,; 12z European ensemble model.

Rainfall report for June 3-4, 2016
Source:  National Weather Service Duluth, Minnesota

4 W of Grand Portage, MN:  1.70"
Winter, WI:  1.21"
Glidden, WI:  1.17"
Two Harbors, MN:  1.06"
Wold Ridge, MN:  1.02"
2 NW of Gary New Duluth, MN:  0.96"

1 S of Hill City, MN:  0.89"
2 WSW of Lester Park, MN:  0.83"
Ashland, WI:  0.81"
3 W of Crane Lake, MN:  0.80"
1 N of Park Falls, WI:  0.75"

Hayward, WI:  0.69"
Superior, WI:  0.68"
3 E of Orr, MN:  0.66"
Bayfield, WI:  0.66"
International Falls, MN:  0.65"

Grantsburg, WI:  0.65"
Northome, MN:  0.62"
Aurora, MN:  0.61"
Askov, MN:  0.60"
Cook, MN:  0.60"

Walker, MN:  0.56"
Wrenshall, MN:  0.51"
Brainerd, MN:  0.47"
Jacobson, MN:  0.44"
Littlefork, MN:  0.44"

Floodwood, MN:  0.42"
Lutsen, MN:  0.41"
7 WNW of Minong, WI:  0.38"
Phillips, WI:  0.33"
Grand Rapids, MN:  0.28"
Brookston, MN:  0.24"
Siren, WI:  0.23"

Weather Summary for NE Minnesota and NW Wisconsin
Date:  June 4, 2016

Low pressure of 1006mb has moved into south central Wisconsin late this afternoon while a broad upper level trough covered the Upper Midwest and western Great Lakes.  Mainly cloudy today in most of northeast Minnesota and far northern Wisconsin while partly sunny to mostly cloudy skies were found in southern portions of northwest Wisconsin and also in portions of northern Minnesota.  Rain has been very persistent today over the Arrowhead of Minnesota while scattered rain showers were common elsewhere in the Northland -- There's been a few thunderstorms this afternoon mainly affecting parts of Burnett, Washburn, Sawyer and Price Counties in northwest Wisconsin.  High temperatures today were in the 50s and 60s with 40s along with lingering fog and mist near Lake Superior.  Winds were out of the north, northwest or east at 5 to 15 mph.

Forecast Discussion for NE Minnesota and NW Wisconsin

Confidence:  High.

Tonight:  Mostly cloudy to partly cloudy skies.  Scattered showers mainly before Midnight.  Areas of fog and drizzle around Lake Superior should diminish during the night as onshore winds turn northwest (offshore)  Lows will be in the 40s and 50s with winds out of the northwest at 10 to 15 mph.

Sunday:  Breezy but milder.  West or northwest winds in the 10-20 mph range with gusts to 30 mph.  High temperatures are forecast to be in the upper 60s and 70s.  Should be some sunshine but clouds will also increase at times with scattered showers and thunderstorms developing and moving from NW-SE.  Cold mid level temperatures of -15 to -20 degrees Celsius will move south and into the Northland tomorrow with steep low level lapse rates of 7.0-8.5 c/km; CAPE is forecast to increase to around 500 j/kg with Lifted Indices around 0 to -2C.  Should be enough energy in the atmosphere to pop a few storms tomorrow afternoon with lightning and brief downpours being the main hazards but gusty winds and small hail can't be ruled out in the stronger storms that may develop.

...Extended Forecast...

Confidence:  High.

Mostly cloudy and cooler for Monday with more chances for rain as cold air aloft remains over the area with a large upper low to our north -- Daytime highs in the 50s and 60s over northeast Minnesota and northwest Wisconsin.

Drier weather returns on Tuesday with partial sunshine expected along with highs that'll be mainly in the 60s.

Normal temperatures for June 5th at Duluth, Minnesota

High:  68
Low:  46

Sunrise Sunday:  5:16 AM CDT
Sunset Sunday:   8:59 PM CDT