Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Duluth MN
603 AM CDT Tue Apr 1 2025
LSZ121-140>148-150-021115-
Bayfield to Oak Point WI-Grand Portage to Grand Marais MN-
Grand Marais to Taconite Harbor MN-
Taconite Harbor to Silver Bay Harbor MN-
Silver Bay Harbor to Two Harbors MN-Two Harbors to Duluth MN-
Duluth MN to Port Wing WI-Port Wing to Sand Island WI-
Sand Island to Bayfield WI-Oak Point to Saxon Harbor WI-
Outer Apostle Islands Beyond 5 NM from Mainland-
603 AM CDT Tue Apr 1 2025
This Hazardous Weather Outlook is for portions of Lake Superior
and the Nearshore waters of western Lake Superior.
.DAY ONE...Today and Tonight
Strong east to southeast winds will develop today. Small Craft
Advisories are in effect today and Gale Warnings are in effect
tonight.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Strong winds will continue Wednesday into Wednesday evening. Gale
Warnings are in effect.
Thunderstorm chances return to western Lake Superior Wednesday.
Some of these cells may produce small hail.
$$
JDS
More information may be obtained at the following web address:
http://www.weather.gov/duluth
Hazardous Weather Outlook
National Weather Service Duluth MN
603 AM CDT Tue Apr 1 2025
MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-021115-
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-
603 AM CDT Tue Apr 1 2025
This Hazardous Weather Outlook is for portions of northeast
Minnesota and northwest Wisconsin.
.DAY ONE...Today and Tonight
A winter storm will bring moderate to heavy amounts of
accumulating snow and some mixed precipitation starting late this
afternoon and evening. Mainly snow is expected in northeast
Minnesota with snow mixing with sleet, freezing rain, and rain
later tonight. The snow will be heavy at times tonight with up to
one inch of snow per hour possible. Gusty winds may lead to
blowing snow and low visibility at times. Winter Storm Warnings
and Winter Weather Advisories are in effect.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Moderate to heavy snow will continue through Wednesday, mixing
with sleet, freezing rain, and rain in east-central Minnesota and
northwest Wisconsin. The heaviest precipitation will fall through
early afternoon, then gradually taper off Wednesday night and
early Thursday morning. Total snow accumulations from 4 to 10
inches in northeast Minnesota with locally higher amounts to
around a foot. Lake-enhanced snow along the North Shore will bring
totals up to around 15 inches. Winter Storm Warnings and Winter
Weather Advisories are in effect.
Thunderstorm chances return to the Northland Wednesday. Northwest
WI may see some small hail embedded with these storms.
.SPOTTER INFORMATION STATEMENT...
Snow spotters are requested to report precipitation type, and
measurements of snow or ice accumulations tonight to the National
Weather Service. Spotters and the public can also report
precipitation type with the free M-PING smartphone app.
$$
Hazardous Weather Outlook
National Weather Service Grand Forks ND
513 AM CDT Tue Apr 1 2025
MNZ001-002-005-007-008-013>015-NDZ016-026>030-054-021015-
West Polk-Norman-Roseau-West Marshall-East Marshall-Pennington-
Red Lake-East Polk-Eastern Walsh-Nelson-Grand Forks-Griggs-Steele-
Traill-Western Walsh-
513 AM CDT Tue Apr 1 2025
This hazardous weather outlook is for portions of eastern North
Dakota and northwest Minnesota.
.DAY ONE...Today and Tonight
Winter Weather Advisory in effect this evening through Wednesday
evening. Mixed precipitation and heavy snow are expected this
evening and overnight. Travel impacts expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Heavy snow expected Wednesday with up to a 60 percent chance for
6 inches of snow and up to a 40 percent chance for 8 inches or
more snow through late Wednesday evening. Widespread travel
impacts are expected.
.SPOTTER INFORMATION STATEMENT...
Reports of snow, ice, visibility, and poor road conditions will
be appreciated.
$$
Hazardous Weather Outlook
National Weather Service Grand Forks ND
513 AM CDT Tue Apr 1 2025
MNZ006-009-016-017-022>024-027-028-031-032-021015-
Lake Of The Woods-North Beltrami-North Clearwater-South Beltrami-
Mahnomen-South Clearwater-Hubbard-West Becker-East Becker-
East Otter Tail-Wadena-
513 AM CDT Tue Apr 1 2025
This hazardous weather outlook is for portions of west central
and northwest Minnesota.
.DAY ONE...Today and Tonight
Winter Storm Warning in effect this evening through Wednesday
evening. Mixed precipitation and heavy snow are expected this
evening and overnight. Travel impacts expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Heavy snow expected Wednesday with a 90 percent chance for 6
inches of snow and a 70 percent chance for 8 inches or more snow
through late Wednesday evening. Widespread travel impacts are
likely.
.SPOTTER INFORMATION STATEMENT...
Reports of snow, ice, visibility, and poor road conditions will
be appreciated.
$$
Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
357 AM CDT Tue Apr 1 2025
MNZ041>045-047>070-WIZ014>016-023>028-020900-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Sherburne-Isanti-Chisago-Lac Qui Parle-Swift-Chippewa-
Kandiyohi-Meeker-Wright-Hennepin-Anoka-Ramsey-Washington-
Yellow Medicine-Renville-McLeod-Sibley-Carver-Scott-Dakota-Polk-
Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Eau Claire-
357 AM CDT Tue Apr 1 2025
This Hazardous Weather Outlook is for portions of central
Minnesota...east central Minnesota...west central Minnesota...
northwest Wisconsin and west central Wisconsin.
.DAY ONE...Today and Tonight.
A band of heavy snow will move across Minnesota and western
Wisconsin this afternoon and evening. Snow will continue through
much of the night across central Minnesota, with a mix of sleet
and freezing rain possible late tonight as well. The highest snow
totals of 5 to 7 inches are expected over central Minnesota, where
snow is expected to the last the longest. See winter weather
statements for additional information on this winter storm.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Snow will linger into Wednesday morning across central Minnesota.
.SPOTTER INFORMATION STATEMENT...
SKYWARN spotters are encouraged to report any snowfall amounts
they observe.
$$
Hazardous Weather Outlook
National Weather Service Green Bay WI
318 AM CDT Tue Apr 1 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-020830-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
318 AM CDT Tue Apr 1 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Today and Tonight
A wintry mix of precipitation is likely this evening through
Wednesday morning. A widespread 1 to 4 inches of snow is
anticipated, with a few hundredths of an inch of ice accumulation
possible in central to north-central Wisconsin. A Winter Weather
Advisory has been issued for areas north and west of the Fox
Valley.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
There is a chance of thunderstorms late Wednesday morning through
Wednesday afternoon. A few strong storms capable of producing
hail and gusty winds are possible, mainly in central and east-
central Wisconsin.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to report snowfall and ice measurements to
the National Weather Service in Green Bay.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
354 AM EDT Tue Apr 1 2025
LSZ162-240>251-263>267-020800-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
354 AM EDT Tue Apr 1 2025 /254 AM CDT Tue Apr 1 2025/
This Hazardous Weather Outlook is for portions of Central Lake
Superior...Eastern Lake Superior and Western Lake Superior.
.DAY ONE...Today and Tonight
Southeasterly gales of 35 to 40 kt are expected across Lake
Superior late tonight. See the latest Open Lake Forecast and
Marine Weather Message for more information.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
East to southeasterly gales up to 45 knots are expected across
Lake Superior Wednesday with storm force gusts to 50 knots
expected along the international border. See the latest Open Lake
Forecast and Marine Weather Message for more information.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
354 AM EDT Tue Apr 1 2025
MIZ001-003-010>013-020800-
Keweenaw-Northern Houghton-Iron-Dickinson-Menominee-Delta-
354 AM EDT Tue Apr 1 2025 /254 AM CDT Tue Apr 1 2025/
This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.
.DAY ONE...Today and Tonight
A system moving into the UP late tonight will bring a wintry mix
and moderate snowfall to the Keweenaw Peninsula and south-
central UP. For the south-central, wintry precipitation will be
falling on areas recently affected by Ice Storm conditions, which
could cause additional power outages and road closures. For more
information, see the Winter Weather Advisories.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
A wintry mix including freezing rain and moderate snowfall will
continue to impact the Keweenaw Peninsula and south-central UP
Wednesday. For the south-central, wintry precipitation will be
falling on areas recently affected by Ice Storm conditions, which
could cause additional power outages and road closures. For more
information, see the Winter Weather Advisories.
Waves of up to 14 feet near the tip of the Keweenaw Peninsula and
to 7 to 8 feet along the eastern shores Menominee and Delta
counties and the Garden Peninsula respectively could cause minor
lakeshore flooding and beach erosion.
.SPOTTER INFORMATION STATEMENT...
Spotters are encouraged to submit snowfall, ice, road closures,
and power outage reports to the National Weather Service via
phone, on our website, or through social media.
$$
