weather.gov     
National Weather Service

Watches, Warnings & Advisories
NWS Homepage

Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Twin Cities/Chanhassen MN
424 AM CDT Wed Oct 21 2020

MNZ041>045-047>050-055-220930-
Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns-
Benton-Swift-
424 AM CDT Wed Oct 21 2020

This Hazardous Weather Outlook is for portions of central
Minnesota...east central Minnesota and west central Minnesota.

.DAY ONE...Today and Tonight.

A Winter Storm Watch is in effect late tonight. Please refer to
the watch product for more information.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The Winter Storm Watch continues into early Thursday evening.
Please refer to the watch product for more information.

Another storm system may impact the region Saturday night and
Sunday. The potential for more accumulating snowfall is
increasing.

.SPOTTER INFORMATION STATEMENT...

Spotters and snowfall observers are urged to report snowfall
amounts to the National Weather Service.

$$

Borghoff

Hazardous Weather Outlook
National Weather Service Grand Forks ND
538 AM CDT Wed Oct 21 2020

MNZ001>003-013>017-022>024-027>032-040-NDZ024-026>030-038-039-049-
052-053-221045-
West Polk-Norman-Clay-Pennington-Red Lake-East Polk-
North Clearwater-South Beltrami-Mahnomen-South Clearwater-Hubbard-
West Becker-East Becker-Wilkin-West Otter Tail-East Otter Tail-
Wadena-Grant-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-
Cass-Ransom-Sargent-Richland-
538 AM CDT Wed Oct 21 2020

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Today and Tonight

Snow will begin to move into southeastern North Dakota late
tonight, bringing some accumulation before daylight hours on
Thursday.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Snow, heavy at times near the South Dakota border, will continue
into Thursday before tapering off Thursday night. Total snow
accumulations could reach 6 inches or more, with the highest
chances for heavy accumulation along and south of the I-94
corridor.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated.

$$

Hazardous Weather Outlook
National Weather Service La Crosse WI
519 AM CDT Wed Oct 21 2020

IAZ008>011-018-019-029-030-MNZ096-WIZ041>044-053>055-061-221200-
Mitchell-Howard-Winneshiek-Allamakee-Floyd-Chickasaw-Fayette-
Clayton-Houston-La Crosse-Monroe-Juneau-Adams-Vernon-Crawford-
Richland-Grant-
519 AM CDT Wed Oct 21 2020

This Hazardous Weather Outlook is for portions of northeast
Iowa and southeast Minnesota through portions of western Wisconsin.

.DAY ONE...Today and Tonight

Isolated thunderstorms are possible late tonight. Severe weather
is not expected.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Periods of rain and thunderstorms are likely Thursday and Thursday
night. Rainfall amounts of 1 to locally 2 inches may lead to
ponding on roadways. A few storms may produce hail or gusty winds
late Thursday afternoon and early evening.

.SPOTTER INFORMATION STATEMENT...

No action needed.

.EMERGENCY MANAGEMENT COORDINATION...

No webinar is scheduled.

$$

Hazardous Weather Outlook
National Weather Service Duluth MN
506 AM CDT Wed Oct 21 2020

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-221015-
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-
506 AM CDT Wed Oct 21 2020

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

.DAY ONE...Today and Tonight

Chances of accumulating snow will increase late tonight,
particularly near the Brainerd Lakes.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

A strong fall storm system will move across the region Thursday
into Friday morning. Accumulating snow is expected for much of
northeast Minnesota and portions of northwest Wisconsin.
Precipitation may begin as, or change over to, freezing rain or
sleet for some locations, mainly from Hinckley and the I-35
corridor east towards the Upper Peninsula of Michigan. Significant
snowfall between 6 to 9 inches are possible for portions of
northern Minnesota and adjacent areas of northwest Wisconsin. A
Winter Storm Watch has been issued for this upcoming system. There
remains uncertainty in the track of this storm and the location
of the heaviest snowfall. There is also a slight chance of
thunderstorms over much of northwest Wisconsin Thursday afternoon
and evening.

.SPOTTER INFORMATION STATEMENT...

Snow spotters are requested to report their snowfall measurements
to the National Weather Service.

$$

Hazardous Weather Outlook
National Weather Service Duluth MN
506 AM CDT Wed Oct 21 2020

LSZ121-140>148-221015-
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-
506 AM CDT Wed Oct 21 2020

This Hazardous Weather Outlook is for portions of the Nearshore
waters of western Lake Superior.

.DAY ONE...Today and Tonight

Southwesterly winds will strengthen today, leading to building
waves along the South Shore of Lake Superior. A Small Craft
Advisory is in effect from Silver Bay to Duluth, MN to Saxon
Harbor, WI.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Another storm system will move through the region Thursday into
Friday morning. Strong winds are expected over western Lake
Superior and gale-force gusts to 35 knots are possible Thursday
afternoon through early Friday morning. A Gale Watch is in effect
for the South Shore waters from Two Harbors, MN to Duluth, MN.

In addition to the strong winds and building waves, a few
thunderstorms are also possible along the South Shore Thursday
afternoon and evening.

$$

JTS

More information may be obtained at the following web address:
http://www.weather.gov/duluth (all lower case)

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
457 AM CDT Wed Oct 21 2020

MNZ071-072-080-081-097-SDZ038>040-052>060-221000-
Lincoln-Lyon-Murray-Cottonwood-Pipestone-Beadle-Kingsbury-Brookings-
Jerauld-Sanborn-Miner-Lake-Moody-Brule-Aurora-Davison-Hanson-
457 AM CDT Wed Oct 21 2020

This Hazardous Weather Outlook is for southwest Minnesota, central
South Dakota, east central South Dakota, south central South Dakota
and southeast South Dakota.

.DAY ONE...Today and tonight.

Light snow is possible during the early morning hours, with as much
as one inch along and west of the James River Valley. Elsewhere, half
an inch of snow is possible, becoming rain during the early afternoon
and ending during the evening hours.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Another chance for rain on Thursday morning, with the possibility of
freezing rain north of the I-90 corridor, especially along the
Buffalo Ridge in SW MN. A light glaze of ice is possible.

A strong system will likely impact the area this weekend with
accumulating snow. Too much uncertainty remains to discuss amounts at
this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
457 AM CDT Wed Oct 21 2020

IAZ001>003-012>014-020>022-031-032-MNZ089-090-098-NEZ013-014-SDZ050-
061>071-221000-
Lyon-Osceola-Dickinson-Sioux-O`Brien-Clay-Plymouth-Cherokee-
Buena Vista-Woodbury-Ida-Nobles-Jackson-Rock-Dixon-Dakota-Gregory-
McCook-Minnehaha-Charles Mix-Douglas-Hutchinson-Turner-Lincoln-
Bon Homme-Yankton-Union-
457 AM CDT Wed Oct 21 2020

This Hazardous Weather Outlook is for northwest Iowa, west central
Iowa, southwest Minnesota, northeast Nebraska, south central South
Dakota and southeast South Dakota.

.DAY ONE...Today and tonight.

Light snow is possible during the early morning hours, becoming rain
before ending in the early afternoon.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Rain is again looking likely for Thursday. A strong system will
likely impact the area this weekend with accumulating snow. Too much
uncertainty remains to discuss amounts at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Des Moines IA
452 AM CDT Wed Oct 21 2020

IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
083>086-094>097-221000-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Clarke-Lucas-
Monroe-Wapello-Decatur-Wayne-Appanoose-Davis-
452 AM CDT Wed Oct 21 2020

This Hazardous Weather Outlook is for portions of central Iowa.

.DAY ONE...Today and tonight

Thunderstorms will be possible later this afternoon and tonight,
mainly over central and southern Iowa. Severe weather is not
anticipated in this time frame.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday

Winds will turn breezy mainly over southern Iowa ahead of a cold
front on Thursday with wind gusts to 45 mph possible. This front
will also be the focus for the potential of strong to perhaps
severe thunderstorms later Thursday into Thursday night across
Iowa. The main threats will be damaging wind gusts and large hail
with a tornado not ruled out. Moderate to heavy rainfall could
also occur.

Accumulating snowfall is possible later this weekend with parts of
northern Iowa being the most likely location for this to occur.

.SPOTTER INFORMATION STATEMENT...

Spotters may be needed later this week.

$$

Hazardous Weather Outlook
National Weather Service Aberdeen SD
438 AM CDT Wed Oct 21 2020

SDZ018>023-033>037-045-048-051-220945-
Spink-Clark-Codington-Grant-Hamlin-Deuel-Stanley-Sully-Hughes-Hyde-
Hand-Jones-Lyman-Buffalo-
438 AM CDT Wed Oct 21 2020 /338 AM MDT Wed Oct 21 2020/

This Hazardous Weather Outlook is for central South Dakota and
northeast South Dakota.

.DAY ONE...Today and tonight.

An area of light to moderate snow will lift north across the region,
diminishing and ending by late afternoon. Rain will mix in at times.
Snowfall amounts will range from a few tenths of an inch north to 2
to 3 inches in central South Dakota. Otherwise, mixed precipitation
will move in quickly tonight. There could be some freezing rain and
ice pellets making for slippery conditions.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

The mixed precipitation of rain, freezing rain, snow, ice pellets
will continue into Thursday, ending Thursday evening. Snowfall
amounts of a few tenths to 2 inches are expected.

Another system is expected to affect the region for Saturday and
Sunday bringing several more inches of snow.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Hazardous Weather Outlook
National Weather Service Aberdeen SD
438 AM CDT Wed Oct 21 2020

MNZ039-046-SDZ003>011-015>017-220945-
Traverse-Big Stone-Corson-Campbell-McPherson-Brown-Marshall-Roberts-
Walworth-Edmunds-Day-Dewey-Potter-Faulk-
438 AM CDT Wed Oct 21 2020 /338 AM MDT Wed Oct 21 2020/

This Hazardous Weather Outlook is for west central Minnesota, north
central South Dakota and northeast South Dakota.

.DAY ONE...Today and tonight.

Areas of light snow and rain may occur this afternoon. Otherwise,
snow will spread across the region tonight. The snow could be heavy
at times.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Snow, heavy at times, will continue through Thursday, ending in the
evening. Snowfall amounts of 4 to 9 inches are possible.

Another system is expected to affect the region for Saturday and
Sunday bringing several more inches of snow.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

$$

Mohr

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
NATIONAL WEATHER SERVICE: for Safety, for Work, for Fun - FOR LIFE