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Hazardous Weather Outlook
National Weather Service Duluth MN
620 PM CDT Tue May 12 2026

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-132330-
Koochiching-North St. Louis-Northern Cook/Northern Lake-
North Itasca-Central St. Louis-Southern Lake/North Shore-
Southern Cook/North Shore-North Cass-South Itasca-South Cass-
Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis-
Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price-
620 PM CDT Tue May 12 2026

This Hazardous Weather Outlook is for portions of northeast
Minnesota and northwest Wisconsin.

.DAY ONE...Tonight

Areas of frost near the International Border - a Frost Advisory is
in effect through Wednesday morning.

Localized minor flooding continues in portions of the Minnesota
Arrowhead, especially inland from Lake Superior along the North
Shore towards Ely and along the International Border. A Flood
Advisory remains in effect.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

Near-critical fire weather conditions are possible Thursday
through Saturday due to low relative humidity and gusty south
winds during the afternoon and early evening.

Localized minor flooding continues in portions of the Minnesota
Arrowhead through early this week, especially inland from Lake
Superior along the North Shore towards Ely and along the
International Border this week. A Flood Advisory remains in
effect.

.SPOTTER INFORMATION STATEMENT...

Skywarn spotter activation will not be needed tonight.

$$

Flood Advisory
National Weather Service Duluth MN
254 PM CDT Mon May 11 2026

MNC031-075-137-152045-
/O.EXT.KDLH.FA.Y.0008.000000T0000Z-260515T2045Z/
/00000.N.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Cook MN-Lake MN-St. Louis MN-
254 PM CDT Mon May 11 2026

...FLOOD ADVISORY NOW IN EFFECT UNTIL 345 PM CDT FRIDAY...

* WHAT...Flooding caused by rain and snowmelt continues.

* WHERE...In Minnesota, northwest Cook, northern Lake and northeast
  St. Louis Counties.

* WHEN...Until 345 PM CDT Friday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas,
  rivers and around area lakes. Some low-water crossings may become
  impassable.

* ADDITIONAL DETAILS...
  - At 254 PM CDT Monday, elevated river and lake levels
    continue.
  - This includes the following streams and drainages...
    Moose River, Jeanette Creek, Horse River, Basswood River,
    Kawishiwi River, and Hustler River.

    Additional rainfall amounts up to two tenths to three tenths
    of an inch are expected over the area through mid-week.

    Expect high, fast moving water on area rivers and elevated
    lake levels. Water levels are near or above those seen during
    flood events in Spring 2022 and June 2024.

    Areas near the end of the Gunflint Trail and near Ely will
    continue to see slow decreases in elevated water levels this
    week. For areas near and on Basswood Lake, flows are peaking
    as of Sunday afternoon, May 10, and at Lac La Croix peak
    flows are expected this week.

    Those venturing into the Boundary Waters should prepare for
    high water and possible inundation of portages and campsites,
    as well as dangerous rapids and very cold water.

  - Some locations that will experience flooding include...
    Gunflint Lake, Snowbank Lake, Basswood Lake, Boundary Waters
    Canoe Area Wilderness, Fall Lake, Sea Gull Lake, Saganaga
    Lake, Ensign Lake, Disappointment Lake and Lac La Croix.
  - Flood safety information can be found at
    www.weather.gov/safety/flood.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Campers and hikers should avoid flooded trail crossings. If camping
at a site along or near the banks of rivers or streams, move away
from those locations and seek higher ground.

Portage and hiking trails may be impassable and low-lying campsites
may be inundated with excessive runoff in this section of the
Boundary Waters as flooding is occurring or imminent.

Report observed flooding to local emergency services or law
enforcement and to the National Weather Service in Duluth when you
can do so safely. Flooding can be reported to the National Weather
Service at 1-800-685-8612.

&&

LAT...LON 4817 9235 4821 9238 4825 9227 4834 9229
      4836 9206 4823 9196 4820 9172 4811 9171
      4811 9156 4804 9157 4808 9127 4824 9086
      4796 9085 4787 9147 4816 9218


$$

BJH


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