Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Duluth MN
327 AM CDT Fri May 22 2026

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-230830-
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-
327 AM CDT Fri May 22 2026

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

.DAY ONE...Today and Tonight

Localized minor flooding continues over portions of the Boundary
Waters.

Frost is expected for the Twin Ports and Arrowhead tonight
due to temperatures dropping into the mid-30s alongside lighter
winds.

Dry weather is expected again Friday. Near-critical fire weather
may be possible for localized areas in far northern Minnesota and
northwest Wisconsin.

Hazardous swimming conditions from rip currents along the Lake
Superior shoreline are expected today with strong winds and high
waves.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday

There is a ten percent chance for thunderstorms within rain
showers Saturday, capable of producing occasional cloud to ground
lightning strikes.

.SPOTTER INFORMATION STATEMENT...

Skywarn spotter activation will not be needed today or tonight.

$$

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
1236 AM CDT Fri May 22 2026

MNZ012-019>021-037-WIZ001-221200-
/O.CON.KDLH.FR.Y.0006.000000T0000Z-260522T1200Z/
Northern Cook and Lake-Central St. Louis-Southern Lake-Southern
Cook-Carlton and South St. Louis-Douglas-
Including the cities of Isabella, Two Harbors, Hibbing, Grand
Marais, Duluth, Silver Bay, and Superior
1236 AM CDT Fri May 22 2026

...FROST ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT THIS MORNING...

* WHAT...Temperatures as low as 34 will result in frost formation.

* WHERE...In Minnesota, Carlton, South and Central St. Louis, Cook
  and Lake Counties. In Wisconsin, Douglas County. This includes the
  Tribal Lands of the Fond du Lac Band, the Grand Portage
  Reservation and the Bois Forte Band, Lake Vermilion area. This
  also includes the Boundary Waters eastern and central area.

* WHEN...Until 7 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

Rothstein

Special Weather Statement
National Weather Service Duluth MN
1204 AM CDT Fri May 22 2026

MNZ010>012-221500-
Koochiching-North St. Louis-Northern Cook and Lake-
Including the cities of International Falls, Ely, and Isabella
1204 AM CDT Fri May 22 2026

...NEAR CRITICAL FIRE WEATHER CONDITIONS TODAY FOR FAR NORTHERN
MINNESOTA...

Dry conditions and breezy winds will lead to near critical fire
weather conditions today. Southeast to east-southeast winds of
10 to 15 mph with gusts of 20 to 25 mph are forecast for this
afternoon into early evening. Minimum relative humidity values of
20 to 30 percent are also expected. Together, these conditions
could lead to the rapid spread of fires. Check burning
restrictions and fire danger before burning.

For more information on burning restrictions for Minnesota, see
www.dnr.state.mn.us/forestry/fire/firerating_restrictions.html.

$$

Rothstein

Flood Advisory
National Weather Service Duluth MN
624 PM CDT Thu May 21 2026

MNC075-137-222045-
/O.CON.KDLH.FA.Y.0008.000000T0000Z-260522T2045Z/
/00000.N.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lake MN-St. Louis MN-
624 PM CDT Thu May 21 2026

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

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

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

* WHEN...Until 345 PM CDT Friday.

* 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 622 PM CDT Thursday, minor flooding and high water levels
    are already occurring.

  - 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