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Winter Weather Advisory 0013
Issued by the Rapid City Forecast Office

Action Issued Starts Expiration
New 2025-04-01 03:39:03 2025-04-01 19:00:00 2025-04-02 16:00:00
New 2025-04-01 03:39:03 2025-04-01 22:00:00 2025-04-02 13:00:00
Continued 2025-04-01 14:03:21 2025-04-01 22:00:00 2025-04-02 13:00:00
Continued 2025-04-01 14:03:21 2025-04-01 19:00:00 2025-04-02 16:00:00
Continued 2025-04-02 03:25:46 2025-04-02 16:00:00
Continued 2025-04-02 03:25:46 2025-04-02 13:00:00
Cancelled 2025-04-02 11:51:56 2025-04-02 16:00:00
Cancelled 2025-04-02 11:51:56 2025-04-02 13:00:00


Action: New
Issued At: 2025-04-01 03:39:03

006 
WWUS43 KUNR 010838
WSWUNR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
238 AM MDT Tue Apr 1 2025

SDZ024-012345-
/O.NEW.KUNR.WW.Y.0013.250402T0000Z-250402T2100Z/
Northern Black Hills-
Including the cities of Rochford, Terry Peak, Nemo, Deadwood,
Lead, Brownsville, Mystic, Galena, Silver City, Deerfield, and
Cheyenne Crossing
238 AM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 PM 
MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations mostly between 3 
  and 9 inches, highest amounts generally across the higher 
  elevations from near Lead to Terry Peak and Cheyenne Crossing.

* WHERE...Northern Black Hills.

* WHEN...From 6 PM this evening to 3 PM MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

SDZ025-WYZ057-012345-
/O.NEW.KUNR.WW.Y.0013.250402T0300Z-250402T1800Z/
Northern Foothills-Wyoming Black Hills-
Including the cities of Saint Onge, Sundance, Four Corners,
Spearfish, and Whitewood
238 AM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO NOON 
MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations mostly between 2 
  and 5 inches, with higher amounts possible across the higher 
  elevations of the Wyoming Black Hills and northern Foothills.

* WHERE...In South Dakota, Northern Foothills. In Wyoming, Wyoming 
  Black Hills.

* WHEN...From 9 PM this evening to noon MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

26


Action: New
Issued At: 2025-04-01 03:39:03

006 
WWUS43 KUNR 010838
WSWUNR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
238 AM MDT Tue Apr 1 2025

SDZ024-012345-
/O.NEW.KUNR.WW.Y.0013.250402T0000Z-250402T2100Z/
Northern Black Hills-
Including the cities of Rochford, Terry Peak, Nemo, Deadwood,
Lead, Brownsville, Mystic, Galena, Silver City, Deerfield, and
Cheyenne Crossing
238 AM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 3 PM 
MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations mostly between 3 
  and 9 inches, highest amounts generally across the higher 
  elevations from near Lead to Terry Peak and Cheyenne Crossing.

* WHERE...Northern Black Hills.

* WHEN...From 6 PM this evening to 3 PM MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

SDZ025-WYZ057-012345-
/O.NEW.KUNR.WW.Y.0013.250402T0300Z-250402T1800Z/
Northern Foothills-Wyoming Black Hills-
Including the cities of Saint Onge, Sundance, Four Corners,
Spearfish, and Whitewood
238 AM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO NOON 
MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations mostly between 2 
  and 5 inches, with higher amounts possible across the higher 
  elevations of the Wyoming Black Hills and northern Foothills.

* WHERE...In South Dakota, Northern Foothills. In Wyoming, Wyoming 
  Black Hills.

* WHEN...From 9 PM this evening to noon MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

26


Action: Continued
Issued At: 2025-04-01 14:03:21

271 
WWUS43 KUNR 011903
WSWUNR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
103 PM MDT Tue Apr 1 2025

SDZ024-021015-
/O.CON.KUNR.WW.Y.0013.250402T0000Z-250402T2100Z/
Northern Black Hills-
Including the cities of Mystic, Deadwood, Galena, Lead,
Deerfield, Nemo, Cheyenne Crossing, Brownsville, Terry Peak,
Rochford, and Silver City
103 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING 
TO 3 PM MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 6 
  inches, highest amounts generally across the higher elevations 
  from near Lead to Terry Peak and Cheyenne Crossing.

* WHERE...Northern Black Hills.

* WHEN...From 6 PM this evening to 3 PM MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

SDZ025-WYZ057-021015-
/O.CON.KUNR.WW.Y.0013.250402T0300Z-250402T1800Z/
Northern Foothills-Wyoming Black Hills-
Including the cities of Sundance, Whitewood, Saint Onge,
Spearfish, and Four Corners
103 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING 
TO NOON MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 4 
  inches, with higher amounts possible across the higher elevations 
  of the Wyoming Black Hills and northern Foothills. Winds gusting 
  as high as 35 mph.

* WHERE...In South Dakota, Northern Foothills. In Wyoming, Wyoming 
  Black Hills.

* WHEN...From 9 PM this evening to noon MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

JC


Action: Continued
Issued At: 2025-04-01 14:03:21

271 
WWUS43 KUNR 011903
WSWUNR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
103 PM MDT Tue Apr 1 2025

SDZ024-021015-
/O.CON.KUNR.WW.Y.0013.250402T0000Z-250402T2100Z/
Northern Black Hills-
Including the cities of Mystic, Deadwood, Galena, Lead,
Deerfield, Nemo, Cheyenne Crossing, Brownsville, Terry Peak,
Rochford, and Silver City
103 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING 
TO 3 PM MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 3 and 6 
  inches, highest amounts generally across the higher elevations 
  from near Lead to Terry Peak and Cheyenne Crossing.

* WHERE...Northern Black Hills.

* WHEN...From 6 PM this evening to 3 PM MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

SDZ025-WYZ057-021015-
/O.CON.KUNR.WW.Y.0013.250402T0300Z-250402T1800Z/
Northern Foothills-Wyoming Black Hills-
Including the cities of Sundance, Whitewood, Saint Onge,
Spearfish, and Four Corners
103 PM MDT Tue Apr 1 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING 
TO NOON MDT WEDNESDAY...

* WHAT...Snow expected. Total snow accumulations between 2 and 4 
  inches, with higher amounts possible across the higher elevations 
  of the Wyoming Black Hills and northern Foothills. Winds gusting 
  as high as 35 mph.

* WHERE...In South Dakota, Northern Foothills. In Wyoming, Wyoming 
  Black Hills.

* WHEN...From 9 PM this evening to noon MDT Wednesday.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

JC


Action: Continued
Issued At: 2025-04-02 03:25:46

709 
WWUS43 KUNR 020825
WSWUNR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
225 AM MDT Wed Apr 2 2025

SDZ024-022100-
/O.CON.KUNR.WW.Y.0013.000000T0000Z-250402T2100Z/
Northern Black Hills-
Including the cities of Nemo, Brownsville, Deerfield, Silver
City, Deadwood, Cheyenne Crossing, Mystic, Terry Peak, Rochford,
Galena, and Lead
225 AM MDT Wed Apr 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS 
AFTERNOON...

* WHAT...Snow. Total snow accumulations of mostly 3 to 6 inches 
  across the higher elevations from Lead and Terry Peak to Cheyenne 
  Crossing, Savoy, and ONeill Pass. Up to around 3 inches elsewhere.

* WHERE...Northern Black Hills.

* WHEN...Until 3 PM MDT this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

SDZ025-WYZ057-021800-
/O.CON.KUNR.WW.Y.0013.000000T0000Z-250402T1800Z/
Northern Foothills-Wyoming Black Hills-
Including the cities of Four Corners, Sundance, Whitewood,
Spearfish, and Saint Onge
225 AM MDT Wed Apr 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY...

* WHAT...Snow. Total snow accumulations of mostly 1 to 4 inches, 
  highest amounts generally across the higher elevations. Winds 
  gusting as high as 35 mph.

* WHERE...In South Dakota, Northern Foothills. In Wyoming, Wyoming 
  Black Hills.

* WHEN...Until noon MDT today.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

26


Action: Continued
Issued At: 2025-04-02 03:25:46

709 
WWUS43 KUNR 020825
WSWUNR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
225 AM MDT Wed Apr 2 2025

SDZ024-022100-
/O.CON.KUNR.WW.Y.0013.000000T0000Z-250402T2100Z/
Northern Black Hills-
Including the cities of Nemo, Brownsville, Deerfield, Silver
City, Deadwood, Cheyenne Crossing, Mystic, Terry Peak, Rochford,
Galena, and Lead
225 AM MDT Wed Apr 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 PM MDT THIS 
AFTERNOON...

* WHAT...Snow. Total snow accumulations of mostly 3 to 6 inches 
  across the higher elevations from Lead and Terry Peak to Cheyenne 
  Crossing, Savoy, and ONeill Pass. Up to around 3 inches elsewhere.

* WHERE...Northern Black Hills.

* WHEN...Until 3 PM MDT this afternoon.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

SDZ025-WYZ057-021800-
/O.CON.KUNR.WW.Y.0013.000000T0000Z-250402T1800Z/
Northern Foothills-Wyoming Black Hills-
Including the cities of Four Corners, Sundance, Whitewood,
Spearfish, and Saint Onge
225 AM MDT Wed Apr 2 2025

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT TODAY...

* WHAT...Snow. Total snow accumulations of mostly 1 to 4 inches, 
  highest amounts generally across the higher elevations. Winds 
  gusting as high as 35 mph.

* WHERE...In South Dakota, Northern Foothills. In Wyoming, Wyoming 
  Black Hills.

* WHEN...Until noon MDT today.

* IMPACTS...Plan on slippery road conditions. The hazardous 
  conditions could impact the Wednesday morning commute.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. The latest road 
conditions for the state you are calling from can be obtained by 
calling 5 1 1.

&&

$$

26


Action: Cancelled
Issued At: 2025-04-02 11:51:56

035 
WWUS43 KUNR 021651
WSWUNR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
1051 AM MDT Wed Apr 2 2025

SDZ024-021800-
/O.CAN.KUNR.WW.Y.0013.000000T0000Z-250402T2100Z/
Northern Black Hills-
Including the cities of Cheyenne Crossing, Deadwood, Silver City,
Nemo, Rochford, Deerfield, Mystic, Terry Peak, Galena, Lead, and
Brownsville
1051 AM MDT Wed Apr 2 2025

...WINTER WEATHER ADVISORY IS CANCELLED...

Light snow will continue through the afternoon with any additional 
accumulations confined to grassy or elevated surfaces.

$$

SDZ025-WYZ057-021800-
/O.CAN.KUNR.WW.Y.0013.000000T0000Z-250402T1800Z/
Northern Foothills-Wyoming Black Hills-
Including the cities of Saint Onge, Sundance, Whitewood,
Spearfish, and Four Corners
1051 AM MDT Wed Apr 2 2025

...WINTER WEATHER ADVISORY IS CANCELLED...

Light snow will continue through the afternoon with any additional 
accumulations confined to grassy or elevated surfaces.

$$

JC


Action: Cancelled
Issued At: 2025-04-02 11:51:56

035 
WWUS43 KUNR 021651
WSWUNR

URGENT - WINTER WEATHER MESSAGE
National Weather Service Rapid City SD
1051 AM MDT Wed Apr 2 2025

SDZ024-021800-
/O.CAN.KUNR.WW.Y.0013.000000T0000Z-250402T2100Z/
Northern Black Hills-
Including the cities of Cheyenne Crossing, Deadwood, Silver City,
Nemo, Rochford, Deerfield, Mystic, Terry Peak, Galena, Lead, and
Brownsville
1051 AM MDT Wed Apr 2 2025

...WINTER WEATHER ADVISORY IS CANCELLED...

Light snow will continue through the afternoon with any additional 
accumulations confined to grassy or elevated surfaces.

$$

SDZ025-WYZ057-021800-
/O.CAN.KUNR.WW.Y.0013.000000T0000Z-250402T1800Z/
Northern Foothills-Wyoming Black Hills-
Including the cities of Saint Onge, Sundance, Whitewood,
Spearfish, and Four Corners
1051 AM MDT Wed Apr 2 2025

...WINTER WEATHER ADVISORY IS CANCELLED...

Light snow will continue through the afternoon with any additional 
accumulations confined to grassy or elevated surfaces.

$$

JC



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