Hazard Report Provided By forecast.weather.gov

Hazardous Weather Outlook
National Weather Service Duluth MN
1013 PM CDT Thu May 21 2026

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-230315-
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-
1013 PM CDT Thu May 21 2026

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

.DAY ONE...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.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday

Frost is expected to linger through early Friday morning for the
Twin Ports and Arrowhead.

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

.SPOTTER INFORMATION STATEMENT...

Skywarn spotter activation will not be needed 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

Hazard Report Provided By forecast.weather.gov