Custer, South Dakota Weather Conditions

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Current Conditions

  • 37°
  • Clear
  • Wind: Calm
  • Humidity: 70%
  • Visibility: 10.0 miles
  • Dew Point: 28°
  • Pressure: 29.91 in. -

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Next 12 Hours

6  am
9  am
12  pm
3  pm
6  pm
Clear
Clear
Clear
Clear
Chance of Rain
Chance of Rain
Chance of Rain
Chance of Rain
Clear
Clear
43°
57°
66°
63°
59°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Sunday
  • Chance of Rain
  • High: 66 °
  • Low: 36 °
  • Chance of Rain
  • Monday
  • Partly Cloudy
  • High: 59 °
  • Low: 41 °
  • Partly Cloudy
  • Tuesday
  • Chance of a Thunderstorm
  • High: 70 °
  • Low: 48 °
  • Chance of a Thunderstorm
  • Wednesday
  • Partly Cloudy
  • High: 70 °
  • Low: 34 °
  • Partly Cloudy
  • Thursday
  • Mostly Cloudy
  • High: 59 °
  • Low: 30 °
  • Mostly Cloudy

Forecast for Custer, South Dakota

Updated: 3:00 AM MDT on April 20, 2014

  • Sunday

    Clear in the morning, then partly cloudy with a chance of rain. High of 66F. Winds from the WNW at 5 to 10 mph. Chance of rain 20%.

  • Sunday Night

    Clear. Low of 36F. Winds from the North at 5 to 15 mph.

  • Monday

    Partly cloudy. High of 59F. Winds from the NW at 5 to 10 mph shifting to the WSW in the afternoon.

  • Monday Night

    Clear in the evening, then overcast. Low of 41F. Winds from the SE at 5 to 10 mph.

  • Tuesday

    Partly cloudy with a chance of a thunderstorm and a chance of rain in the afternoon. High of 70F. Breezy. Winds from the SSE at 10 to 20 mph. Chance of rain 20%.

  • Tuesday Night

    Mostly cloudy with a chance of a thunderstorm and a chance of rain. Low of 48F. Breezy. Winds from the South at 10 to 20 mph.

  • Wednesday

    Partly cloudy. High of 70F. Windy. Winds from the WSW at 25 to 35 mph.

  • Wednesday Night

    Overcast in the evening, then mostly cloudy. Low of 34F. Breezy. Winds from the West at 10 to 30 mph.

  • Thursday

    Overcast. High of 59F. Breezy. Winds from the West at 15 to 25 mph.

  • Thursday Night

    Partly cloudy. Low of 30F. Breezy. Winds from the WNW at 10 to 25 mph.

  • Friday

    Clear. High of 61F. Winds from the WNW at 5 to 10 mph shifting to the SSW in the afternoon.

  • Friday Night

    Partly cloudy. Low of 30F. Winds from the East at 10 to 15 mph.

  • Saturday

    Partly cloudy. High of 61F. Breezy. Winds from the ESE at 10 to 20 mph.

  • Saturday Night

    Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 36F. Breezy. Winds from the ESE at 10 to 20 mph. Chance of rain 60% with rainfall amounts near 0.2 in. possible.

  • Sunday

    Partly cloudy with a chance of rain. Fog early. High of 59F. Breezy. Winds from the East at 15 to 20 mph. Chance of rain 50%.

  • Sunday Night

    Clear. Low of 39F. Breezy. Winds from the SSE at 5 to 30 mph.

  • Monday

    Overcast. High of 63F. Winds less than 5 mph.

  • Monday Night

    Clear. Low of 45F. Winds less than 5 mph.

  • Tuesday

    Partly cloudy. High of 59F. Winds less than 5 mph.

  • Tuesday Night

    Partly cloudy. Low of 45F. Winds less than 5 mph.

  • Wednesday

    Clear. High of 57F. Winds from the NNW at 5 to 10 mph.

  • Wednesday Night

    Clear. Low of 45F. Winds less than 5 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: RAWS CUSTER SD US, Custer, SD

Updated: 3:24 AM MDT

Temperature: 42 °F Dew Point: 30 °F Humidity: 61% Wind: NNW at 3 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 42 °F Graphs

Location: RAWS SDS PORTABLE 1 SD US, Pringle, SD

Updated: 4:13 AM MDT

Temperature: 46 °F Dew Point: 34 °F Humidity: 63% Wind: NNW at 1 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: RAWS MT. RUSHMORE SD US, Keystone, SD

Updated: 2:13 AM MDT

Temperature: 46 °F Dew Point: 27 °F Humidity: 47% Wind: SSW at 1 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: RAWS RED CANYON SD US, Edgemont, SD

Updated: 3:57 AM MDT

Temperature: 49 °F Dew Point: 31 °F Humidity: 50% Wind: ENE at 5 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 47 °F Graphs

Location: HADS DEERFIELD RESERVOIR NEAR HILL CI SD US USBR, Hill City, SD

Updated: 4:00 AM MDT

Temperature: 32 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: 32 °F Graphs

Location: RAWS WICA_ELK MOUNTAIN SD US, Pringle, SD

Updated: 4:13 AM MDT

Temperature: 45 °F Dew Point: 30 °F Humidity: 56% Wind: West at 2 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 45 °F Graphs

Location: RAWS CUSTER STATE PARK SD US, Fairburn, SD

Updated: 4:18 AM MDT

Temperature: 40 °F Dew Point: 30 °F Humidity: 67% Wind: NW at 5 mph Pressure: - Hourly Precipitation: 0.00 in Windchill: 36 °F Graphs

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

Updated: 4:38 AM MDT

Temperature: 45.6 °F Dew Point: 32 °F Humidity: 59% Wind: Calm Pressure: 29.89 in Hourly Precipitation: 0.00 in Windchill: 46 °F Graphs

Location: Prairie Creek, Rapid City, SD

Updated: 4:46 AM MDT

Temperature: 34.8 °F Dew Point: 29 °F Humidity: 79% Wind: WSW at 2.0 mph Pressure: 29.95 in Hourly Precipitation: 0.00 in Windchill: 35 °F Graphs

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

Updated: 2:45 AM MDT

Temperature: 41 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Windchill: 41 °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
306 AM MDT SUN APR 20 2014

.SHORT TERM...TODAY THROUGH MONDAY NIGHT
ISSUED AT 305 AM MDT SUN APR 20 2014

CURRENT SURFACE ANALYSIS SHOWS WEAK HIGH PRESSURE OVER THE
CENTRAL AND EASTERN DAKOTAS. AN AREA OF LOW PRESSURE IS LOCATED
OVER SOUTHERN AB...WITH WEAK COLD FRONT STRETCHING SOUTH-SOUTHWEST
ACROSS WESTERN MT INTO EASTERN ID. LEE TROF STRETCHES SOUTHEAST
INTO EASTERN WY. UPPER LEVEL ANALYSIS SHOWS WEAK RIDGING OVER THE
NORTHERN HIGH PLAINS...WITH SHORTWAVE TROF MOVING QUICKLY EAST
ACROSS THE NORTHERN ROCKIES. SKIES ARE MAINLY CLEAR ACROSS THE
AREA WITH TEMPS MOSTLY IN THE MID 30S TO MID 40S. WINDS ARE SOUTH
TO SOUTHEAST ACROSS MOST OF THE AREA NOW.

WARM AND MAINLY DRY WX WILL CONTINUE FOR TODAY AND INTO EARLY THIS 
WEEK AS NEAR ZONAL FLOW ALOFT PERSISTS. FOR TODAY...SKIES WILL BE 
MOSTLY SUNNY IN GENERAL...ESPECIALLY THROUGH THE MIDDAY HOURS. 
CLOUDS WILL INCREASE SOME IN THE AFTERNOON AS THE COLD FRONT 
ARRIVES...ESPECIALLY ACROSS SOUTHERN AREAS. HIGHS WILL MOSTLY BE IN 
THE 70S...WITH 60S OVER THE BLACK HILLS AND PORTIONS OF NORTHEAST 
WY. THE FRONT WILL MAKE ITS WAY INTO WESTERN PORTIONS OF THE CWA BY 
18Z AND ACROSS THE REST OF THE CWA DURING THE AFTERNOON AND EARLY 
EVENING. BRISK NORTHWESTERLY WINDS WILL DEVELOP ACROSS THE PLAINS 
BEHIND THE FRONT THIS AFTERNOON AND EVENING. 

AHEAD OF THE FRONT...SOUTHERLY WINDS WILL HELP TO BRING INCREASING 
LOW LEVEL MOISTURE THROUGH THE DAY...ESPECIALLY TO THE EAST OF THE 
BLACK HILLS...WHERE DEWPOINTS SHOULD RISE INTO THE 40S THIS 
AFTERNOON. THIS MOISTURE...COMBINED WITH STRONG WARMING AND STEEP 
LAPSE RATES THIS AFTERNOON...WILL HELP TO PRODUCE CAPE VALUES LIKELY 
EXCEEDING 500 J/KG OVER SOUTH CENTRAL SD BY LATE IN THE DAY. THE 
FRONT WILL ARRIVE IN THIS AREA LATE IN THE DAY...WITH AT LEAST 
ISOLATED SHOWERS AND STORMS EXPECTED TO DEVELOP LATE IN THE 
AFTERNOON AND EARLY EVENING. A STRONGER STORM OR TWO LOOKS POSSIBLE 
WITH GUSTY WINDS AND AT LEAST THE POTENTIAL FOR SMALL HAIL. ANY 
ACTIVITY SHOULD PUSH EAST OF SOUTH CENTRAL SD BY LATE EVENING.       

AS TODAYS WEATHER WILL BE SIMILAR TO WHAT HAPPENED FRIDAY...MONDAY 
WILL BE MUCH LIKE YESTERDAY...WITH MOSTLY SUNNY SKIES...MILD 
TEMPERATURES...AND RELATIVELY LIGHT WINDS. NORTHWESTERLY WINDS CAN 
BE EXPECTED TO THE NORTH AND EAST OF THE BLACK HILLS...WITH WINDS 
TURNING SOUTHERLY OVER NORTHEAST WY AND THE BLACK HILLS. HIGHS WILL 
BE IN THE 60S AND LOWER 70S. LOWS MONDAY NIGHT WILL GENERALLY BE IN 
THE MID 30S TO MID 40S...WITH SOUTH TO SOUTHEAST WINDS DEVELOPING 
OVER THE ENTIRE AREA.  
  
&&

.LONG TERM...TUESDAY THROUGH SATURDAY
ISSUED AT 305 AM MDT SUN APR 20 2014

MODELS ARE IN PRETTY GOOD AGREEMENT FOR MEDIUM RANGE. AN UPPER
LEVEL TROUGH ENTERING THE NORTHWEST US COAST EARLY TUESDAY WILL
MOVE ACROSS THE ROCKIES INTO THE NORTHERN PLAINS BY THURSDAY
MORNING.

AHEAD OF IT ON TUESDAY...LOW PRESSURE WILL DEVELOP OVER MT WITH WELL 
DEFINED PRESSURE FALLS AND SUBSEQUENT WINDY SOUTHERLY RETURN FLOW. 
LOW MOVES INTO SOUTHEAST MT WITH TROUGH PIVOTING NORTHEAST INTO 
NORTHEAST WY/WESTERN SD. A FEW -TSRA MAY DEVELOP ALONG/AHEAD OF THIS 
BOUNDARY. 0-6KM SHEAR SUFFICIENT FOR STRONG STORMS...BUT MOISTURE 
AVAILABILITY IN QUESTION GIVEN AMOUNT OF MIXING AS TEMPERATURES 
CLIMB WELL INTO THE 70S.

WEDNESDAY...INITIAL LOW PRESSURE MOVES EAST OF CWA AS SECONDARY LOW 
DEVELOPS OVER MT/SK BORDER AS UPPER LOW WRAPS UP OVER THE SAME AREA. 
THIS WILL PUSH DRIER AIR INTO CWA EARLY...BUT MOISTURE WILL RETURN 
LATER IN THE DAY/NIGHT AS WRAP AROUND SHIFTS SOUTH FROM MT/ND. 
TEMPERATURES WILL BE QUITE WARM GIVEN FORECAST SOUNDINGS WITH WEAK 
INSTABILITY SUPPORTIVE OF DIURNAL -TSRA. AS PRECIPITATION TRENDS TO 
-SHRA WEDNESDAY NIGHT...A FEW -SHSN POSSIBLE IN THE HIGHER 
ELEVATIONS GIVEN WET BULB PROFILES.

THURSDAY...UPPER/SURFACE LOW SHIFTS EAST INTO THE UPPER MIDWEST 
LEAVING BACKWASH PRECIPITATION ACROSS THE CWA AS WELL AS A RATHER 
TIGHT PRESSURE GRADIENT. HAVE PAINTED VERY WINDY CONDITIONS...BUT 
COULD EASILY BE IN THE STRONG CATEGORY GIVEN CYCLONIC FLOW/COLD AIR 
ADVECTION. COLD ENOUGH FOR -SHRASN THURSDAY NIGHT...EVEN ON THE 
PLAINS OF NORTHEAST WY/NORTHWEST SD. TEMPERATURES WILL BE NOTICEABLY 
COLDER.

FOR FRIDAY...LULL IN THE WEATHER EXPECTED AS UPPER LEVEL RIDGE POKES 
INTO THE CWA. LOOKING AHEAD TO NEXT WEEKEND...GFS/ECMWF BRING 
ANOTHER STORM SYSTEM/UPPER LOW INTO THE AREA...BUT THIS TIME MOVING 
IT FROM THE CENTRAL ROCKIES INTO THE CENTRAL PLAINS. MODELS HAVE 
TRENDED WETTER WITH THIS SYSTEM...BUT TOO FAR OUT TO ASCERTAIN 
EFFECT ON SENSIBLE WEATHER. WILL HAVE NORMAL CHANCE POPS IN THERE 
FOR NOW.

&&

.AVIATION...FOR THE 12Z TAFS THROUGH 12Z MONDAY MORNING
ISSUED AT 305 AM MDT SUN APR 20 2014

A WEAK COLD FRONT WILL PASS THROUGH THE AREA TODAY. AHEAD OF
IT...SOUTHERLY WINDS ARE EXPECTED. BEHIND IT...WINDS WILL SHIFT TO
A NORTHERLY DIRECTION AND BECOME GUSTY AT TIMES. ISOLATED -TSRA
ARE POSSIBLE OVER SOUTH CENTRAL SD LATE THIS AFTERNOON/EARLY THIS
EVENING WITH LOCAL MVFR VSBYS/GUSTY WINDS. OTHERWISE...VFR
CONDITIONS ARE EXPECTED THROUGH TONIGHT.

&&

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

$$

SHORT TERM...26
LONG TERM...HELGESON
AVIATION...HELGESON


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