5 products issued by NWS for: Duluth MN
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Duluth MN 911 PM CDT Mon Jul 14 2025 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-160215- 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- 911 PM CDT Mon Jul 14 2025 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...Tonight Wildfire smoke will linger overnight. Please refer to the latest Air Quality Alerts for Minnesota and Wisconsin for more details. Thunderstorms are expected this evening across northern Minnesota. A few storms may be strong to severe capable of producing hail up to one and a half inches and damaging winds. Heavy rainfall may lead to ponding or localized flooding. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday An Air Quality Alert remains in effect for northern MN through 11 PM Tuesday. Additional thunderstorm chances are forecast through the end of the week. A few strong to severe storms are possible again Tuesday. Locally heavy rainfall may lead to localized flooding Tuesday. .SPOTTER INFORMATION STATEMENT... Skywarn spotters are encouraged to report hail of any size and rainfall amounts to the National Weather Service. $$
Marine Weather Statement
Marine Weather Statement
National Weather Service Duluth MN
556 AM CDT Tue Jul 15 2025
LSZ142>147-150-162-151145-
556 AM CDT Tue Jul 15 2025
...STRONG THUNDERSTORMS APPROACHING THE WATERS...
The areas affected include...
Duluth MN to Port Wing WI...
Lake Superior west of a line from Saxon Harbor WI to Grand Portage
MN beyond 5NM...
Outer Apostle Islands Beyond 5 NM from Mainland...
Port Wing to Sand Island WI...
Sand Island to Bayfield WI...
Silver Bay Harbor to Two Harbors MN...
Taconite Harbor to Silver Bay Harbor MN...
Two Harbors to Duluth MN...
At 552 AM CDT, Doppler radar indicated strong thunderstorms, capable
of producing winds up to 30 knots. These thunderstorms were located
along a line extending from 15 nm northwest of Castle Danger to 27
nm west of Duluth Harbor, moving east at 40 knots.
These storms should approach the North Shore between the Twin Ports
and Silver Bay between 645 and 715 AM, including Knife River, Two
Harbors and Castle Danger.
Locations impacted include...
Superior Entry, Sand Island, Barkers Island, Twin Points Safe Harbor,
Devils Island, Beaver Bay, McQuade Harbor, Herbster, Meyers Beach,
York Island, Larsmont, Superior Harbor, Split Rock Lighthouse, Eagle
Island, Port Wing Harbor, Rocky Island, Raspberry Island, Knife River
Marina, Castle Danger, and Duluth Lift Bridge Channel.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners can expect gusty winds to around 30 knots, locally higher
waves, and lightning strikes. Boaters should seek safe harbor
immediately until these storms pass.
&&
LAT...LON 4669 9230 4668 9224 4672 9224 4680 9212
4715 9149 4731 9128 4713 9053 4692 9083
4693 9086 4692 9095 4684 9110 4683 9121
4674 9150 4667 9186 4666 9203 4671 9210
4665 9212 4662 9221 4664 9229
$$
LE
Flood Advisory
Flood Advisory
National Weather Service Duluth MN
457 AM CDT Tue Jul 15 2025
MNC137-151400-
/O.NEW.KDLH.FA.Y.0015.250715T0957Z-250715T1400Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
St. Louis MN-
457 AM CDT Tue Jul 15 2025
...FLOOD ADVISORY IN EFFECT UNTIL 9 AM CDT THIS MORNING...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...In Minnesota, St. Louis County.
* WHEN...Until 900 AM CDT Tuesday.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 456 AM CDT Tuesday, Doppler radar and automated rain
gauges indicated heavy rain due to thunderstorms. Minor
flooding is ongoing or expected to begin shortly in the
advisory area. Between 1 and 1.5 inches of rain have fallen.
- Additional rainfall amounts of up to 1 inch are expected over
the area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Ely, Lake Vermilion, Mountain Iron, Cook, Tower, Meadow
Brook, Gheen, Soudan Underground Mine State Park, Boundary
Waters Canoe Area Wilderness Near Trout Lake, Bear Head Lake
State Park, Robinson, Burntside Lake, Pelican Lake, McCarthy
Beach State Park, Birch Lake, White Iron Lake, Fall Lake,
western Boundary Waters Canoe Area Wilderness and Perch Lake.
- Flood safety information can be found at
www.weather.gov/safety/flood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 4784 9180 4763 9264 4763 9306 4799 9309
4821 9191 4806 9181
$$
LE
Flood Advisory
Flood Advisory
National Weather Service Duluth MN
312 AM CDT Tue Jul 15 2025
MNC071-137-151315-
/O.NEW.KDLH.FA.Y.0014.250715T0812Z-250715T1315Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Koochiching MN-St. Louis MN-
312 AM CDT Tue Jul 15 2025
...FLOOD ADVISORY IN EFFECT UNTIL 815 AM CDT THIS MORNING...
* WHAT...Small stream flooding caused by excessive rainfall is
expected.
* WHERE...In Minnesota, in north central Minnesota, Koochiching
County. In northeast Minnesota, St. Louis County.
* WHEN...Until 815 AM CDT Tuesday.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways.
* ADDITIONAL DETAILS...
- At 312 AM CDT Tuesday, Doppler radar indicated heavy rain due
to thunderstorms. This will cause small stream flooding.
Between 2 and 3.5 inches of rain have fallen.
- Additional rainfall amounts of 1 to 2 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
Nett Lake, Orr, Big Falls, Ash Lake, Crane Lake, Pelican
Lake, Cusson, Voyageurs National Park, Buyck, Margie,
northwestern Boundary Waters Canoe Area Wilderness, Bois
Forte Band Nett Lake Area, Black Duck Lake, Echo Lake, Sand
Point Lake, Loon Lake, Lac La Croix, Lac la Croix and Lake
Agnes.
- Flood safety information can be found at
www.weather.gov/safety/flood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 4798 9408 4814 9408 4824 9336 4833 9245
4822 9237 4825 9227 4829 9230 4831 9229
4832 9231 4834 9229 4836 9207 4831 9200
4827 9201 4824 9198 4825 9195 4823 9196
4824 9192 4821 9190 4799 9310
$$
LE
Air Quality Alert
MNZ010>012-018>021-025-026-033>038-160400- Koochiching-North St. Louis-Northern Cook and Lake-North Itasca- Central St. Louis-Southern Lake-Southern Cook-North Cass- South Itasca-South Cass-Crow Wing-Northern Aitkin-South Aitkin- Carlton and South St. Louis-Pine- Including the cities of International Falls, Ely, Isabella, Bigfork, Hibbing, Two Harbors, Silver Bay, Grand Marais, Walker, Grand Rapids, Pine River, Brainerd, Hill City, Aitkin, Duluth, Pine City, and Hinckley 427 PM CDT Mon Jul 14 2025 ...AIR QUALITY ALERT NOW IN EFFECT UNTIL 11 PM CDT TUESDAY... * WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. * WHERE...Northeast Minnesota. * WHEN...Until 11 PM CDT Tuesday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Light winds will allow existing wildfire smoke across northern Minnesota to linger into this evening and overnight. Concentrations are expected to be highest along and near the shores of Lake Superior. An additional round of heavy surface smoke from wildfires across southern Canada is expected to transport into northern Minnesota on Tuesday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, should avoid prolonged or heavy exertion. The general public should limit prolonged or heavy exertion. Reduce or eliminate activities that contribute to air pollution, such as outdoor burning, and use of residential wood burning devices. Reduce vehicle trips and vehicle idling as much as possible. Keep windows closed overnight to prevent smoke from getting indoors. && For information on current air quality conditions in your area and to sign up for daily air quality forecasts and alert notifications by email, text message, phone, or the EPA AirNow mobile app, visit https://www.pca.state.mn.us/air-water-land- climate/current-air- quality-conditions. You can find additional information about health and air quality at https://www.pca.state.mn.us/air-water- land- climate/air-quality- and-health. $$ MPCA