Keystone, SD (57751)

6:10 PM MDT on July 27, 2017 (GMT -0600)
MDOHS2 | | Change Station
Active Advisory: Special Statement

Elev 4670 ft 43.98 °N, 103.43 °W | Updated 71 days ago

Partly Cloudy
Partly Cloudy
47.0 °F
Feels Like 47.0 °F
N
3.0
Wind Variable Wind from NE

Today
High -- | Low -- °F
--% Chance of Precip.
Yesterday
High -- | Low -- °F
Precip. -- in
Pressure 29.96 in
Visibility 10.0 miles
Clouds Mostly Cloudy 4900 ft
Dew Point 46.0 °F
Humidity 98%
Rainfall 0.09 in
Snow Depth Not available.
5:37 AM 8:22 PM
Waxing Crescent, 25% visible
METAR KCUT 272353Z AUTO 10012G22KT 10SM BKN049 19/11 A3015 RMK AO2 LTG DSNT NW-NE SLP146 60016 T01940111 10200 20133 56018
Pressure 29.96 in
Visibility 10.0 miles
Clouds Mostly Cloudy 4900 ft
Dew Point 46.0 °F
Humidity 98%
Rainfall 0.09 in
Snow Depth Not available.
5:37 AM 8:22 PM
Waxing Crescent, 25% visible
METAR KCUT 272353Z AUTO 10012G22KT 10SM BKN049 19/11 A3015 RMK AO2 LTG DSNT NW-NE SLP146 60016 T01940111 10200 20133 56018

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10-Day Weather Forecast

Almanac

Astronomy

Jul. 27, 2017 Rise Set
Actual Time
Civil Twilight
Nautical Twilight
Astronomical Twilight
Moon
Length of Visible Light
Length of Day
Tomorrow will be .
, % of the Moon is Illuminated

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Category 6

Welcome to Category 6. This is the collective home for Weather Underground's featured writeups by Dr. Jeff Masters (right), Bob Henson (left), Chris Burt, and other regular contributors.

Nearby

Air Quality

  Air Quality AQ Index Pollutant
Not available.

Snow Depth

Station Depth Elevation

Earthquake Activity

City Distance Mag. Time & Date
Minimum magnitude displayed is 2.5.

Coastal Water Temperatures

Place Temperature

Stations

Nearby Weather Stations

Station Location Temp. Windchill Dew Point Humidity Wind Precip. Elev Updated Type
                   

Watches & Warnings

Special Statement
Issued: 6:04 PM MDT Jul. 27, 2017 – National Weather Service

... Significant weather advisory for northwestern Custer and
southwestern Pennington counties until 645 PM MDT...

At 603 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Hill City to 7 miles northwest of Jewel
Cave National Monument. Movement was southeast at 20 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Custer, Hill city, Keystone, Mystic, Rockerville, Mount Rushmore
National Memorial, Keystone Wye, bear country, crazy horse Memorial,
Sylvan Lake, Medicine Mountain, Sheridan Lake, Bear Mountain lookout,
black Elk Peak, Horse Thief Lake, Palmer Gulch resort, Jewel Cave
National Monument, and northwestern Custer State Park.

Precautionary/preparedness actions...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.


Lat... Lon 4395 10320 4366 10372 4386 10402 4408 10364
time... Mot... loc 0003z 305deg 19kt 4400 10356 4382 10392


Eagan

604 PM MDT Thu Jul 27 2017

... Significant weather advisory for northwestern Custer and
southwestern Pennington counties until 645 PM MDT...

At 603 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Hill City to 7 miles northwest of Jewel
Cave National Monument. Movement was southeast at 20 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Custer, Hill city, Keystone, Mystic, Rockerville, Mount Rushmore
National Memorial, Keystone Wye, bear country, crazy horse Memorial,
Sylvan Lake, Medicine Mountain, Sheridan Lake, Bear Mountain lookout,
black Elk Peak, Horse Thief Lake, Palmer Gulch resort, Jewel Cave
National Monument, and northwestern Custer State Park.

Precautionary/preparedness actions...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.


Lat... Lon 4395 10320 4366 10372 4386 10402 4408 10364
time... Mot... loc 0003z 305deg 19kt 4400 10356 4382 10392


Eagan


545 PM MDT Thu Jul 27 2017

... Significant weather advisory for southwestern Meade... southeastern
Lawrence and Central Pennington counties until 615 PM MDT...

At 545 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Ellsworth Air Force base to near Rapid
City to Pactola Reservoir. Movement was east at 40 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Rapid City, Rapid Valley, Ellsworth Air Force base, Box Elder, Black
Hawk, Summerset, Johnson Siding, Piedmont, Silver City, Hisega,
Pactola Reservoir, Rapid City Airport, Black Gap, and Viewfield.

This includes Interstate 90 in South Dakota between mile markers 45
and 73.

Precautionary/preparedness actions...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.


Lat... Lon 4422 10275 4397 10316 4411 10366 4427 10335
time... Mot... loc 2345z 271deg 35kt 4419 10317 4413 10325 4407 10347


Eagan


545 PM MDT Thu Jul 27 2017

... Significant weather advisory for southwestern Meade... southeastern
Lawrence and Central Pennington counties until 615 PM MDT...

At 545 PM MDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Ellsworth Air Force base to near Rapid
City to Pactola Reservoir. Movement was east at 40 mph.

Winds in excess of 40 mph will be possible with these storms.

Locations impacted include...
Rapid City, Rapid Valley, Ellsworth Air Force base, Box Elder, Black
Hawk, Summerset, Johnson Siding, Piedmont, Silver City, Hisega,
Pactola Reservoir, Rapid City Airport, Black Gap, and Viewfield.

This includes Interstate 90 in South Dakota between mile markers 45
and 73.

Precautionary/preparedness actions...

Torrential rainfall is also occurring with these storms, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.


Lat... Lon 4422 10275 4397 10316 4411 10366 4427 10335
time... Mot... loc 2345z 271deg 35kt 4419 10317 4413 10325 4407 10347


Eagan