Custer, South Dakota Weather Conditions

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Current Conditions

  • 27°
  • Clear
  • Wind: NNW 4 mph
  • Humidity: 75%
  • Visibility: 10.0 miles
  • Dew Point: 20°
  • Pressure: 29.91 in. 0
  • Heat Index: 23

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Next 12 Hours

8  pm
11  pm
2  am
5  am
8  am
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Clear
Mostly Cloudy
Mostly Cloudy
34°
36°
34°
34°
39°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Friday
  • Partly Cloudy
  • High: 45 °
  • Low: 27 °
  • Partly Cloudy
  • Saturday
  • Chance of Rain
  • High: 46 °
  • Low: 25 °
  • Chance of Rain
  • Sunday
  • Chance of Snow
  • High: 30 °
  • Low: 18 °
  • Chance of Snow
  • Monday
  • Chance of Snow
  • High: 28 °
  • Low: 21 °
  • Chance of Snow
  • Tuesday
  • Chance of Snow
  • High: 36 °
  • Low: 25 °
  • Chance of Snow

Forecast for Custer, South Dakota

Updated: 2:00 PM MST on November 21, 2014

  • Friday

    Partly cloudy. High of 45F. Winds from the WSW at 5 to 10 mph.

  • Friday Night

    Clear. Low of 32F. Winds from the West at 5 to 10 mph.

  • Saturday

    Partly cloudy with a chance of rain in the afternoon. High of 46F. Breezy. Winds from the West at 10 to 20 mph. Chance of rain 30%.

  • Saturday Night

    Mostly cloudy with a chance of snow. Low of 25F with a windchill as low as 19F. Windy. Winds from the WNW at 10 to 25 mph with gusts to 35 mph. Chance of snow 30%.

  • Sunday

    Partly cloudy with a chance of snow. High of 30F with a windchill as low as 12F. Breezy. Winds from the NW at 15 to 25 mph with gusts to 30 mph. Chance of snow 20%.

  • Sunday Night

    Overcast in the evening, then partly cloudy. Low of 18F with a windchill as low as 3F. Breezy. Winds from the NW at 15 to 25 mph.

  • Monday

    Partly cloudy with a chance of snow. High of 28F with a windchill as low as 7F. Breezy. Winds from the NW at 15 to 20 mph. Chance of snow 50% with accumulations up to 1 in. possible.

  • Monday Night

    Partly cloudy. Fog overnight. Low of 21F with a windchill as low as 7F. Winds from the WNW at 10 to 15 mph.

  • Tuesday

    Overcast with a chance of snow and rain showers. High of 36F with a windchill as low as 14F. Breezy. Winds from the NW at 20 to 25 mph. Chance of snow 20%.

  • Tuesday Night

    Mostly cloudy. Low of 25F. Winds from the WNW at 5 to 10 mph.

  • Wednesday

    Mostly cloudy with a chance of snow. High of 37F. Winds from the WNW at 5 to 10 mph shifting to the NNE in the afternoon. Chance of snow 20%.

  • Wednesday Night

    Clear. Fog overnight. Low of 19F. Winds less than 5 mph.

  • Thursday

    Mostly cloudy. High of 41F. Winds from the SW at 5 to 15 mph.

  • Thursday Night

    Partly cloudy. Fog overnight. Low of 5F. Winds from the WNW at 5 to 15 mph.

  • Friday

    Partly cloudy. High of 43F. Winds less than 5 mph.

  • Friday Night

    Partly cloudy. Fog overnight. Low of -6F. Winds less than 5 mph.

  • Saturday

    Clear. Fog early. High of 28F. Winds from the WNW at 5 to 10 mph.

  • Saturday Night

    Partly cloudy. Fog overnight. Low of 9F with a windchill as low as 0F. Winds from the WNW at 5 to 10 mph.

  • Sunday

    Partly cloudy. Fog early. High of 27F. Winds from the West at 5 to 15 mph.

  • Sunday Night

    Partly cloudy. Fog overnight. Low of 3F with a windchill as low as -9F. Winds from the West at 5 to 10 mph.

  • Monday

    Partly cloudy. Fog early. High of 30F with a windchill as low as -6F. Winds from the WNW at 5 to 15 mph.

  • Monday Night

    Partly cloudy. Fog overnight. Low of -2F with a windchill as low as -17F. Winds from the West at 5 to 10 mph.

  • Tuesday

    Clear. High of 34F with a windchill as low as -9F. Winds from the WNW at 5 to 15 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: RAWS CUSTER SD US, Custer, SD

Updated: 6:24 PM MST

Temperature: 34 °F Dew Point: 20 °F Humidity: 57% Wind: SW at 1 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 34 °F Graphs

Location: RAWS NGPA PORTABLE SD US, Custer, SD

Updated: 5:55 PM MST

Temperature: 33 °F Dew Point: 21 °F Humidity: 61% Wind: NNE at 4 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 29 °F Graphs

Location: RAWS BAKER PARK SD US, Keystone, SD

Updated: 6:35 PM MST

Temperature: 33 °F Dew Point: 20 °F Humidity: 58% Wind: WNW at 8 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 26 °F Graphs

Location: RAWS RED CANYON SD US, Edgemont, SD

Updated: 5:57 PM MST

Temperature: 36 °F Dew Point: 21 °F Humidity: 54% Wind: NE at 3 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 36 °F Graphs

Location: Mike's Place Black Hills, Hermosa, SD

Updated: 7:24 PM MST

Temperature: 40.2 °F Dew Point: 24 °F Humidity: 52% Wind: WSW at 1.0 mph Pressure: 29.88 in Hourly Precipitation: 0.00 in Windchill: 40 °F Graphs

Location: Prairie Creek, Rapid City, SD

Updated: 7:30 PM MST

Temperature: 26.2 °F Dew Point: 21 °F Humidity: 79% Wind: SE at 1.0 mph Pressure: 30.06 in Hourly Precipitation: 0.00 in Windchill: 26 °F Graphs

Location: Bear Country- Copper Canyon, Rapid City, SD

Updated: 7:18 PM MST

Temperature: 35.8 °F Dew Point: 23 °F Humidity: 60% Wind: West at 2.7 mph Pressure: 29.74 in Hourly Precipitation: - Windchill: 36 °F Graphs

Location: HADS BEAVER CREEK NEAR BUFFALO GAP 2S SD US USGS, Buffalo Gap, SD

Updated: 5:45 PM MST

Temperature: 39 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: 39 °F Graphs

MSN Maps of:

Temp: Dew Point: Humidity Wind Pressure Hr Precip -

NWS Forecaster Discussion



AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY
NATIONAL WEATHER SERVICE RAPID CITY SD
252 PM MST FRI NOV 21 2014

.SHORT TERM...THIS EVENING THROUGH SATURDAY NIGHT
ISSUED AT 251 PM MST FRI NOV 21 2014

MILD CONDITIONS WILL CONTINUE THROUGH SATURDAY AS DRY 
WESTERLY PAC FLOW REMAINS IN PLACE. WEAK MID LEVEL IMPULSE IS 
CURRENTLY MOVING THROUGH THE REGION...SUPPORTING A SFC TROUGH INTO 
THE AREA. THIS SYSTEM WILL SUPPORT LITTLE TO NO CAA...KEEPING 
THERMAL FIELDS BASICALLY UNALTERED ON IT/S BACKSIDE. ATTENTION TURNS 
TOWARD A STRONG MID LEVEL TROUGH NOW ENTERING THE PAC NW. THIS 
SYSTEM WILL CROSS THE NORTHERN ROCKIES AND AMPLIFY PER A STAUNCH 
150+ KNOT UPPER LEVEL JET...ENTERING THE NORTHERN PLAINS LATER 
SATURDAY. THIS SYSTEM WILL SUPPORT STRONG LL PRESSURE 
FALLS...AND A DEEPENING SFC CYCLONE OVER THE REGION BY SAT 
NIGHT. THIS SYSTEM WILL QUICKLY PROGRESS THROUGH THE REGION SAT 
NIGHT...SUPPORTING FRONTOGENETICAL FORCING AND RESULTING RAIN AND 
SNOW...ESP OVER NE WY AND THE NORTHERN HILLS. ANY SHOWERS WILL 
LIKELY START AS RAIN OR A RAIN SNOW/MIX...WITH PRECIP TYPE 
TRANSITIONING TO ALL SNOW SAT NIGHT. OVERALL...PRECIP CHANCES 
REMAIN IN THE SCT-ISOLD RANGE...GIVEN LACK OF SIG FOCUS UVM. ANY 
SNOW ACCUMS ARE EXPECTED TO BE AN INCH OR LESS...OUTSIDE OF THE 
NORTHERN HILLS WHERE A COUPLE INCHES WILL BE POSSIBLE.

AS FOR TEMPS...PAC NW SYSTEM WILL SUPPORT RE-NEWED DOWNSTREAM 
RIDGING WITH AN ASSOCIATED THERMAL RIDGE...WHICH WILL ADVECT OVER 
THE REGION SAT. GIVEN CYCLOGENESIS AND INCREASED SFC PRESSURE 
FALLS...WESTERLY WINDS WILL INCREASE OVER THE REGION 
SAT...SUPPORTING GOOD MIXING. THIS WILL ALLOW ANOTHER WARM DAY 
ACROSS THE AREA...WITH 40S AND 50S COMMON ESP...WARMEST ACROSS THE 
EASTERN BLACK HILLS AND SCENTRAL SD. WINDS WILL INCREASE SAT EVE 
AHEAD OF THE SFC TROUGH IN THE FAVORED DOWNSLOPE AREAS ACROSS THE 
BLACK HILLS...WITH WINDS INCREASING EVERYWHERE ACROSS THE REGION 
LATE SAT NIGHT...POST FRONTAL. STRONG NW WINDS WILL DEVELOP AS 
STAUNCH CAA COMBINES WITH SFC PRESSURE RISES AND INCREASING BL FLOW. 
HAVE INCREASED WINDS SOME SAT NIGHT. 

&&

.LONG TERM...SUNDAY THROUGH FRIDAY
ISSUED AT 251 PM MST FRI NOV 21 2014

AN ACTIVE PATTERN ASSOCIATED WITH DEEP CYCLONIC FLOW 
ALOFT WILL CONTINUE ACROSS THE NORTH CENTRAL CONUS THROUGH EARLY 
NEXT WEEK. A TIGHT PRESSURE GRADIENT ON THE BACKSIDE OF LOW PRESSURE 
PUSHING INTO THE UPPER MIDWEST WILL BRING VERY WINDY CONDITIONS TO 
MUCH OF THE WESTERN SD PLAINS ON SUNDAY. THERE IS POTENTIAL FOR 
WARNING CRITERIA WINDS SUNDAY AFTERNOON ACROSS NORTHWEST AND WEST 
CENTRAL SD. WILL LET NEXT SHIFT HAVE ANOTHER LOOK AND SEE IF A WATCH 
IS NEEDED. UPSLOPE ENHANCED SNOW SHOWERS WILL MAINLY AFFECT THE 
NORTHERN BLACK HILLS ON SUNDAY...WITH SOME LIGHT ACCUMULATIONS 
LIKELY. WINDS WILL REMAIN BREEZY ON MONDAY. ADDITIONAL WEAK 
DISTURBANCES IN NORTHWEST FLOW WILL BRING CLOUDS AND CHANCES FOR 
SNOW SHOWERS AT TIMES THROUGH WEDNESDAY. 

THERE IS STILL UNCERTAINTY TOWARD THE LATTER PART OF NEXT WEEK...BUT 
LONGER RANGE MODELS ARE IN BETTER AGREEMENT RIGHT NOW FOR THE 
THANKSGIVING PERIOD...WITH A MILDER AND DRIER STRETCH OF WEATHER 
LOOKING MORE LIKELY. WILL GO WITH MILDER TEMPERATURES THURSDAY AND 
FRIDAY...ESPECIALLY OVER WESTERN PORTIONS OF THE CWA. IF LATEST 
TRENDS PERSIST...TEMPERATURES WILL BE NEAR OR ABOVE AVERAGE IN MOST 
AREAS.  

&&

.AVIATION...FOR THE 00Z TAFS THROUGH 00Z SATURDAY EVENING
ISSUED AT 251 PM MST FRI NOV 21 2014

VFR CONDITIONS ARE EXPECTED THROUGH EARLY SATURDAY. 
BREEZY SOUTHWESTERLY WINDS WILL DEVELOP ACROSS NORTHEAST WY 
OVERNIGHT. 

&&

.UNR WATCHES/WARNINGS/ADVISORIES...
SD...NONE.
WY...NONE.
&&

$$

SHORT TERM...JC
LONG TERM...26
AVIATION...26


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