Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Duluth MN
245 AM CDT Sun May 17 2026

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-180745-
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-
245 AM CDT Sun May 17 2026

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

.DAY ONE...Today and Tonight

Severe storms are possible Sunday evening through
early Monday morning. Large hail and damaging winds are the main
threats from central Minnesota to the North Shore and areas
southeast. Areas of heavy rainfall are possible with the
repeated rounds of storms, with the best potential in east-
central Minnesota to northwest Wisconsin.

Localized minor flooding continues over portions of the Boundary
Waters.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Localized minor flooding continues in the Boundary Waters region.

The risk of severe storms shifts into east- central Minnesota and
northwest Wisconsin Monday afternoon and evening. Damaging wind
gusts to 60 mph and large hail to half dollar size are the main
severe weather threats. A tornado can`t be ruled out. Areas of
heavy rainfall are possible with the repeated rounds of storms,
with the best potential in east- central Minnesota to northwest
Wisconsin.

.SPOTTER INFORMATION STATEMENT...

Skywarn spotters may be needed this evening into tonight.

$$

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
1248 AM CDT Sun May 17 2026

MNZ010>012-018>021-171300-
/O.CON.KDLH.FR.Y.0003.000000T0000Z-260517T1300Z/
Koochiching-North St. Louis-Northern Cook and Lake-North Itasca-
Central St. Louis-Southern Lake-Southern Cook-
Including the cities of Silver Bay, Ely, Isabella, Two Harbors,
Grand Marais, Bigfork, Hibbing, and International Falls
1248 AM CDT Sun May 17 2026

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 29 will result in frost formation.

* WHERE...Koochiching, North Itasca, Central and North St. Louis,
  Cook and Lake Counties. This includes the Tribal Lands of the
  Grand Portage Reservation and the Bois Forte Band, Deer Creek,
  Lake Vermilion and, Nett Lake areas. Other locations including
  Voyageurs National Park. The entire Boundary Waters is also
  included.

* WHEN...Until 8 AM CDT this morning.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
  outdoor plants may be killed if left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For more information on Northland weather, visit www.weather.
gov/duluth

KML

Flood Advisory
National Weather Service Duluth MN
1201 PM CDT Sat May 16 2026

MNC075-137-192045-
/O.CON.KDLH.FA.Y.0008.000000T0000Z-260519T2045Z/
/00000.N.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lake MN-St. Louis MN-
1201 PM CDT Sat May 16 2026

...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 345 PM CDT TUESDAY...

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

* WHERE...In Minnesota, Lake and St. Louis Counties.

* WHEN...Until 345 PM CDT Tuesday.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
  Some low-water crossings may become impassable. River or stream
  flows are elevated.

* ADDITIONAL DETAILS...
  - At 1158 AM CDT Saturday, Minor flooding is already occurring
    and will continue. Additional rainfall amounts of three
    quarters to one and one half inches are forecast over the
    area from Sunday afternoon through Tuesday.

  - This includes the following streams and drainages...
    Oyster River, Ge-be-on-e-quet Creek, Horse River, Shohola
    Creek, Hustler River, Moose River, Jeanette Creek, Wolfpack
    Creek, Nugget Creek, Heritage Creek, Portage River, Range
    Line Creek and Legend Creek.

  - Some locations that will experience flooding include...
    Basswood Lake, northwestern Boundary Waters Canoe Area
    Wilderness, Lake Agnes, Crooked Lake, Fourtown Lake, Lac la
    Croix, Lac La Croix and Loon Lake.

  - 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. Trails in hilly terrain
can quickly become unstable during or shortly after heavy rainfall.

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 4827 9201 4823 9196 4820 9179 4820 9172
      4811 9171 4811 9165 4810 9164 4811 9156
      4807 9158 4804 9157 4798 9172 4816 9218
      4817 9235 4821 9238 4825 9227 4834 9229
      4836 9206 4830 9201


$$

Rothstein

Hazard Report Provided By forecast.weather.gov