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Hazardous Weather Outlook


Hazardous Weather Outlook
National Weather Service Rapid City SD
841 PM MDT Sun Oct 22 2017

SDZ014-025-026-030-032-042>044-046-047-049-072-074-231300-
Ziebach-Northern Foot Hills-Rapid City-Custer Co Plains-Haakon-
Oglala Lakota-Jackson-Bennett-Mellette-Todd-Tripp-
Sturgis/Piedmont Foot Hills-Hermosa Foot Hills-
841 PM MDT Sun Oct 22 2017 /941 PM CDT Sun Oct 22 2017/

This Hazardous Weather Outlook is for portions of western South
Dakota.

.DAY ONE...Tonight

Gusty winds to 50 mph will be possible at times this evening,
mainly with any passing showers.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

A wind advisory is in effect for Monday. Expect northwest winds
of 25 to 35 mph with gusts to 55 mph.

The grassland fire danger index will be in the high to extreme
category Monday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
841 PM MDT Sun Oct 22 2017

SDZ024-027>029-041-WYZ054>058-071-231300-
Northern Black Hills-Southern Foot Hills-Central Black Hills-
Southern Black Hills-Fall River-Northern Campbell-
Southern Campbell-Western Crook-Wyoming Black Hills-Weston-
Northeastern Crook-
841 PM MDT Sun Oct 22 2017

This Hazardous Weather Outlook is for portions of southwestern
South Dakota...the Black Hills...and northeast Wyoming.

.DAY ONE...Tonight

Gusty winds to 50 mph will be possible at times this evening,
mainly with any passing showers.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

Expect northwest winds of 20 to 30 mph with gusts to 45 mph Monday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service Rapid City SD
841 PM MDT Sun Oct 22 2017

SDZ001-002-012-013-031-073-231300-
Harding-Perkins-Butte-Northern Meade Co Plains-
Pennington Co Plains-Southern Meade Co Plains-
841 PM MDT Sun Oct 22 2017

This Hazardous Weather Outlook is for portions of northwestern
South Dakota...and southwestern South Dakota.

.DAY ONE...Tonight

Gusty winds to 50 mph will be possible at times this evening,
mainly with any passing showers.

.DAYS TWO THROUGH SEVEN...Monday through Saturday

A high wind warning is in effect for Monday. Expect northwest
winds of 30 to 45 mph with gusts to around 60 mph.

The grassland fire danger index will be in the high to extreme
category Monday afternoon.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

&&

Stay tuned to NOAA weather radio for further updates...or check
our web site at weather.gov/rapidcity

$$

Hazardous Weather Outlook
National Weather Service Sioux Falls SD
446 AM CDT Mon Oct 23 2017

SDZ050-052-057-241000-
Gregory-Jerauld-Brule-
446 AM CDT Mon Oct 23 2017

This Hazardous Weather Outlook is for portions of central South
Dakota and south central South Dakota.

.DAY ONE...Today and Tonight

Northwesterly winds will increase today, gusting up to 45 to 50
Winds will be strong again on Tuesday.mph at times through the
day.

With the very strong winds and low afternoon relative humidity
values, there will be an enhanced fire danger across the area.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Winds will be strong again on Tuesday. Thursday and Friday will
feature another period of potentially enhanced winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Riverton WY
300 AM MDT Mon Oct 23 2017

WYZ001>020-022>030-241100-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
300 AM MDT Mon Oct 23 2017

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Today and Tonight.

Gusty northwest winds expected today in northern Johnson County.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Wednesday...Windy, warm, and dry conditions may result in
elevated fire weather conditions across the east.

Wednesday night and Thursday...Turning much colder with a chance
of snow for most areas.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today or tonight.

$$

Hazardous Weather Outlook
National Weather Service Billings MT
256 AM MDT Mon Oct 23 2017

MTZ028>042-056>058-063>068-WYZ098-099-240900-
Southern Wheatland-Musselshell-Treasure-Northern Rosebud-Custer-
Fallon-Northern Stillwater-Yellowstone-Powder River-Carter-
Southern Big Horn-Eastern Carbon-Northern Park-
Northern Sweet Grass-Golden Valley-Red Lodge Foothills-
Northern Big Horn-Southern Rosebud-Judith Gap-Paradise Valley-
Livingston Area-Beartooth Foothills-Absaroka/Beartooth Mountains-
Crazy Mountains-Northeast Bighorn Mountains-Sheridan Foothills-
256 AM MDT Mon Oct 23 2017

This Hazardous Weather Outlook is for portions of central
Montana...south central Montana...southeast Montana and north
central Wyoming.

* WHAT...Elevated fire weather concerns followed by a strong
  Canadian cold front.

* WHERE...Across the region.

* WHEN...Wednesday into Thursday.

* ADDITIONAL DETAILS...Wednesday will be warm, dry and windy.
  Expect temps in the 70s, humidity in the teens and increasing
  west winds. Gusts of 50 to 60 mph are possible from Livingston
  and Nye to Big Timber and Harlowton, with gusts of 30 to 50 mph
  further east. A strong cold front will bring a shift to gusty
  northwest winds by Wednesday evening. Some snow showers are
  possible late Wednesday night into early Thursday, with minor
  accumulations possible, mainly along the southern foothills.

* ADDITIONAL HAZARD CONCERNS...Travel will be impacted by gusty
  cross winds Wednesday into Wednesday night. Some slick roads are
  possible along the foothills Thursday morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Hazardous Weather Outlook is issued when hazardous weather could
impact the region within the next week. Be sure to stay tuned for
future updates as locations, timing, and impacts could change.
Begin preparations to mitigate any impacts that could result from
the hazardous weather.

&&

$$

Hazardous Weather Outlook
National Weather Service Aberdeen SD
334 AM CDT Mon Oct 23 2017

SDZ003-004-009-015-016-033>037-045-048-051-240845-
Corson-Campbell-Walworth-Dewey-Potter-Stanley-Sully-Hughes-Hyde-
Hand-Jones-Lyman-Buffalo-
334 AM CDT Mon Oct 23 2017 /234 AM MDT Mon Oct 23 2017/

This Hazardous Weather Outlook is for portions of central South
Dakota and north central South Dakota.

.DAY ONE...Today and Tonight

Strong winds out of the northwest will develop this morning, and
continue through the afternoon hours, before diminishing around
sunset. Peak gusts of 40 to 50 mph are expected. A Wind Advisory has
been posted for the entire forecast area. Grassland fire danger
index will rise into the very high category this afternoon as the
strong winds combine with relative humidity values of 25 to 35
percent.

While winds should diminish this evening, they will still remain
breezy, with gusts of 25 to 35 mph tonight. See the latest
forecast for further details.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Windy conditions will develop again out of the northwest on
Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Aberdeen SD
334 AM CDT Mon Oct 23 2017

SDZ005-006-010-017-018-240845-
McPherson-Brown-Edmunds-Faulk-Spink-
334 AM CDT Mon Oct 23 2017

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

.DAY ONE...Today and Tonight

Strong winds out of the northwest will develop this morning, and
continue through the afternoon hours, before diminishing around
sunset. Peak gusts of 40 to 50 mph are expected. A Wind Advisory has
been posted for the entire forecast area. Grassland fire danger
index will rise into the high to very high categories this
afternoon as the strong winds combine with relative humidity
values around 40 percent.

While winds should diminish this evening, they will still remain
breezy, with gusts of 25 to 35 mph tonight. See the latest
forecast for further details.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

Windy conditions will develop again out of the northwest on
Thursday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed.

$$

Hazardous Weather Outlook
National Weather Service Cheyenne WY
133 PM MDT Sun Oct 22 2017

WYZ101>119-231245-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Sierra Madre Range-Upper North Platte River Basin-Snowy Range-
Laramie Valley-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
133 PM MDT Sun Oct 22 2017

This hazardous weather outlook is for portions of east central
Wyoming...south central Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

A high wind warning is in effect for much of the lower elevations
and wind prone locations through this afternoon, and for the wind
prone locations of Arlington, Bordeaux and the I-80 Summit tonight.
Expect wind gusts of 60 to 65 mph in the high wind warning locations.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

Strong winds will continue early Monday morning before easing late
morning across parts of the Wyoming plains.

Accumulating snow is possible for portions of southeast Wyoming
Thursday as a strong Pacific low pressure system moves through the
area.

.Spotter information statement...

Spotter activation will not be needed today and tonight.

$$

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
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