Custer, South Dakota Weather Conditions

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Current Conditions

  • 68°
  • Scattered Clouds
  • Wind: ESE 6 mph
  • Humidity: 56%
  • Visibility: 10.0 miles
  • Dew Point: 52°
  • Pressure: 30.10 in. 0

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Next 12 Hours

3  pm
6  pm
9  pm
12  am
3  am
Thunderstorm
T-storms
Chance of a Thunderstorm
Chance of T-storms
Partly Cloudy
Partly Cloudy
Clear
Clear
Clear
Clear
68°
66°
59°
55°
52°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Friday
  • Thunderstorm
  • High: 75 °
  • Low: 52 °
  • T-Storms
  • Saturday
  • Chance of a Thunderstorm
  • High: 86 °
  • Low: 52 °
  • Chance of T-Storms
  • Sunday
  • Chance of a Thunderstorm
  • High: 70 °
  • Low: 43 °
  • Chance of T-Storms
  • Monday
  • Chance of Rain
  • High: 68 °
  • Low: 41 °
  • Chance of Rain
  • Tuesday
  • Partly Cloudy
  • High: 72 °
  • Low: 48 °
  • Partly Cloudy

Forecast for Custer, South Dakota

Updated: 3:00 PM MDT on August 29, 2014

  • Friday

    Partly cloudy with a chance of a thunderstorm and a chance of rain, then thunderstorms in the afternoon. High of 75F. Winds from the NW at 5 to 10 mph shifting to the NNE in the afternoon. Chance of rain 30%.

  • Friday Night

    Overcast with a chance of a thunderstorm and a chance of rain in the evening, then clear. Low of 52F. Winds less than 5 mph.

  • Saturday

    Partly cloudy with a chance of a thunderstorm and a chance of rain in the afternoon. High of 86F. Winds from the SSW at 5 to 15 mph. Chance of rain 40%.

  • Saturday Night

    Overcast with a chance of a thunderstorm and a chance of rain. Low of 52F. Winds from the WSW at 5 to 15 mph. Chance of rain 20%.

  • Sunday

    Mostly cloudy with a chance of a thunderstorm and a chance of rain. High of 70F. Winds from the NW at 5 to 15 mph. Chance of rain 40%.

  • Sunday Night

    Partly cloudy. Low of 43F. Winds from the WNW at 5 to 10 mph.

  • Monday

    Partly cloudy with a chance of rain in the afternoon. High of 68F. Winds from the WSW at 5 to 10 mph. Chance of rain 20%.

  • Monday Night

    Partly cloudy with a chance of rain in the evening, then clear. Low of 41F. Winds less than 5 mph.

  • Tuesday

    Clear. High of 72F. Winds from the WSW at 5 to 10 mph.

  • Tuesday Night

    Clear. Low of 48F. Winds from the North at 5 to 10 mph shifting to the ENE after midnight.

  • Wednesday

    Partly cloudy. High of 75F. Breezy. Winds from the West at 10 to 20 mph.

  • Wednesday Night

    Clear. Low of 55F. Winds from the North at 10 to 15 mph.

  • Thursday

    Partly cloudy. High of 75F. Winds from the NNE at 5 to 15 mph shifting to the ENE in the afternoon.

  • Thursday Night

    Clear with a chance of a thunderstorm. Low of 52F. Winds from the East at 5 to 15 mph. Chance of rain 20%.

  • Friday

    Partly cloudy with a chance of a thunderstorm. High of 68F. Winds from the ESE at 5 to 15 mph. Chance of rain 40%.

  • Friday Night

    Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 50F. Winds from the ESE at 5 to 15 mph. Chance of rain 50% with rainfall amounts near 0.3 in. possible.

  • Saturday

    Overcast with a chance of a thunderstorm. Fog early. High of 72F. Winds less than 5 mph. Chance of rain 20%.

  • Saturday Night

    Mostly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds less than 5 mph. Chance of rain 20%.

  • Sunday

    Mostly cloudy with a chance of a thunderstorm. Fog early. High of 66F. Winds less than 5 mph. Chance of rain 30%.

  • Sunday Night

    Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 50F. Winds less than 5 mph. Chance of rain 20%.

  • Monday

    Clear. High of 64F. Winds less than 5 mph.

  • Monday Night

    Clear. Fog overnight. Low of 50F. Winds less than 5 mph.

  • Tuesday

    Clear. High of 79F. Winds less than 5 mph.

  • Tuesday Night

    Clear. Low of 50F. Winds less than 5 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: RAWS CUSTER SD US, Custer, SD

Updated: 1:24 PM MDT

Temperature: 68 °F Dew Point: 52 °F Humidity: 57% Wind: SSE at 5 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: RAWS BAKER PARK SD US, Keystone, SD

Updated: 12:35 PM MDT

Temperature: 69 °F Dew Point: 51 °F Humidity: 53% Wind: North at 5 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Graphs

Location: RAWS RED CANYON SD US, Edgemont, SD

Updated: 12:57 PM MDT

Temperature: 75 °F Dew Point: 53 °F Humidity: 46% Wind: South at 5 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: RAWS BKF3 PORTABLE SD US, Hill City, SD

Updated: 12:36 PM MDT

Temperature: 67 °F Dew Point: 48 °F Humidity: 50% Wind: NNW at 4 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: - Graphs

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

Updated: 1:56 PM MDT

Temperature: 73.3 °F Dew Point: 52 °F Humidity: 47% Wind: NE at 5.0 mph Pressure: 29.86 in Hourly Precipitation: 0.00 in Heat Index: 77 °F Graphs

Location: Prairie Creek, Rapid City, SD

Updated: 2:06 PM MDT

Temperature: 73.0 °F Dew Point: 52 °F Humidity: 48% Wind: Calm Pressure: 29.91 in Hourly Precipitation: 0.00 in Heat Index: 77 °F Graphs

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

Updated: 2:03 PM MDT

Temperature: 74.8 °F Dew Point: 55 °F Humidity: 51% Wind: ENE at 5.3 mph Pressure: 29.87 in Hourly Precipitation: - Heat Index: 78 °F Graphs

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

Updated: 12:45 PM MDT

Temperature: 69 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: - 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
1116 AM MDT FRI AUG 29 2014

.UPDATE...
ISSUED AT 952 AM MDT FRI AUG 29 2014

CURRENT SURFACE ANALYSIS SHOWS LOW PRESSURE OVER NORTHEAST
SD...WITH COOL FRONT STRETCHING SOUTHWESTWARD ACROSS SD INTO
CENTRAL WY. UPPER LEVEL ANALYSIS SHOWS SLOW MOVING LOW OVER
SOUTHEAST NEB...WITH SHORTWAVE ENERGY BEHIND IT MOVING ACROSS THE
NORTHERN HIGH PLAINS. KUDX RADAR SHOWS ISOLATED TO SCATTERED
SHOWERS FROM FAR NORTHWEST SD THROUGH THE BLACK HILLS AND ACROSS
FAR EASTERN WY. A COUPLE OF LIGHTNING STRIKES HAVE BEEN NOTED WITH
THE ACTIVITY SO FAR. WINDS HAVE BEEN GUSTY ACROSS PARTS OF THE SD
PLAINS BEHIND THE FRONT...ESPECIALLY IN THE RAPID CITY AREA. WINDS
WILL GRADUALLY DIMINISH INTO THE AFTERNOON. TEMPS ARE IN THE MID
60S TO MID 70S.

WILL KEEP CHANCES FOR SHOWERS AND A FEW STORMS ACROSS THE AREA
THROUGH THE AFTERNOON. THE QUICKER MOVEMENT OF THE SYSTEM WILL
LIKELY PUSH MOST...IF NOT ALL...PCPN OUT OF THE AREA BY THE
EVENING. HAVE MADE A MINOR UPDATE TO RAISE WINDS ACROSS THE PLAINS
FOR LATE THIS MORNING. ALSO TWEAKED CLOUDS AND POPS CHANCES FOR
THE REST OF THE DAY.

&&

.SHORT TERM...TODAY THROUGH SATURDAY NIGHT
ISSUED AT 251 AM MDT FRI AUG 29 2014

STRONG SHORTWAVE TROUGH IS CROSSING THE CENTRAL PLAINS INTO THE ERN 
DAKOTAS TO UPPER MIDWEST. ZONAL FLOW SITS ACROSS THE WRN CONUS WITH 
A MUCH WEAK SHORTWAVE CROSS CNTRL/ERN MT. SURROUNDING RADAR SITES 
SHOWING -SHRA/TSRA CROSSING ERN MT TO NRN WY. A SURFACE COLD FRONT 
ALSO ASSOCIATED WITH THE WAVE/PRECIP IS SLIDING SE AND IS VISIBLE ON 
THE BIS/BYZ RADARS.

COLD FRONT/UPPER WAVE WILL QUICKLY PUSH THROUGH THE CWA TODAY 
BRINGING CHANCES FOR -SHRA/TSRA. LATEST TIMING APPEARS TO HAVE THE 
AREA OF PRECIP OVER THE BLKHLS AREA BY LATE MORNING...THE CONTINUING 
EWD INTO THE WRN SD PLAINS THROUGH THE AFTERNOON. STRONG INSTABILITY 
DEVELOPING AHEAD OF THE FRONT OVER WRN/CNTRL SD PLAINS COULD RESULT 
IN SOME STRONG STORMS THIS AFTERNOON...BUT SHEAR WILL BE QUITE WEAK 
SO STORM BEHAVIOR IS EXPECTED TO BE MORE PULSE LIKE. TEMPS WILL 
RANGE FROM THE MID 70S TO MID 80S...WITH COOLER TEMPS OVER NW SD/NE 
WY WHERE THE FROPA OCCURS EARLIER THIS MORNING. WINDS IMMEDIATELY 
BEHIND THE FRONTAL BOUNDARY WILL BECOME BREEZY...WITH GUSTS TO 
AROUND 30KT...BUT WILL BE LIMITED TO AN HOUR OR TWO AFTER THE FRONT 
PASSES.

WEAK RIDGING BUILDS BEHIND THE DEPARTING WAVE TONIGHT CLEARING OUT 
PRECIP LATE TNGT TO SATURDAY MRNG. THE NEXT LONGWAVE TROUGH WILL 
CROSS THE PACIFIC NW TO NRN ROCKIES SATURDAY...WITH ACTIVE SW FLOW 
DEVELOPING. CHANCES FOR SHRA/TSRA WILL AGAIN RETURN SAT AFTN/EVNG. 
GOOD INSTABILITY AND STRONG LL SHEAR OVER NW SD WILL RESULT IN 
STRONG TO SEVERE TSRA SAT AFTN/EVNG. LARGE HAIL AND DAMAGING WINDS 
ARE THE MAIN THREATS.    

&&

.LONG TERM...SUNDAY THROUGH THURSDAY
ISSUED AT 251 AM MDT FRI AUG 29 2014

ACTIVE/PROGRESSIVE NORTHERN STREAM FLOW WILL CONTINUE THROUGH THE
PERIOD WITH A STRONG UPPER LEVEL TROUGH ON TRACK TO ADVECT THROUGH
THE REGION SUN...WITH A WEAKER SHORTWAVE IMPULSE LIKELY MONDAY.
TROUGH RELOADING OVER THE NE PAC TUE-WED FAVORED IN ECMWF/GFS/GEM
SOLUTIONS TUE...WHICH WILL SUPPORT SHORTWAVE RIDGING OVER THE
NORTHERN PLAINS WITH DRY AND WARMER CONDITIONS TUE-WED. NO SIG
CHANGES FROM THE PREVIOUS FORECAST GIVEN VERY GOOD DETERMINISTIC
MODEL CONSISTENCY AND CONTINUITY THROUGH THE PERIOD...WHICH IS IN
LINE WITH GEFS/NAEFS MEANS.

UPPER LEVEL TROUGH WILL BE IN THE PROCESS OF SHIFTING EAST ACROSS 
THE NORTHERN PLAINS SUNDAY. ASSOCIATED MID LEVEL COLD POOL WILL 
SUPPORT STEEP LL LAPSE RATES OVER THE FA WITH RESIDUAL LL MOISTURE 
IN PLACE. DIURNAL HEATING COUPLED WITH BH/NE WY TERRAIN INFLUENCES 
SHOULD SUPPORT SCT TO ISOLD SHRA/TS ESP SOUTH HALF OF THE FA. 
REMAINED CLOSE TO PREVIOUS POP NUMBERS WITH MID RANGE CHANCE 
COVERING PRECIP CONCERNS. OTHERWISE...A WEAKER WESTERLY FLOW IMPULSE 
STILL INDICATED IN FORECAST MODELS MONDAY...POSSIBLY SUPPORTING A 
FEW SHRA/TS...ALTHOUGH DRY PROFILES WILL LIMIT QPF AND 
COVERAGE...ESP AWAY FROM THE BH. DRY CONDS EXPECTED TUE-WED WITH 
MEAN DEEP LAYER RIDGING. THE NEXT NE PAC UPPER LEVEL TROUGH WILL 
EJECT EAST INTO THE NORTHERN PLAINS WED NIGHT INTO 
THUR...INTERACTING WITH A LEE SIDE TROUGH. INCREASING LSA WED NIGHT 
THROUGH THUR WILL SUPPORT INCREASING CHANCES FOR SHRA/TS...FAR NW 
SAT NIGHT WITH POPS TRENDING SOUTH THROUGH THUR AS THE UPPER TROUGH 
SHIFTS EAST WITH THE REFLECTED SFC WAVE. DID BUMP POPS UP TO LOW 
CHANCE NW 2/3 THUR NIGHT.

COOL/BELOW NORMAL TEMPS /5-10 DEGREES/ EXPECTED SUNDAY THROUGH 
MONDAY...ESP NW AREAS. WARMING CONDITIONS CAN BE EXPECTED TUE-THUR 
MOST AREAS. HOWEVER...NW AREAS MAY SEE THE START OF A COOLING TREND 
THUR AS THE NEXT COLD FRONT SHIFTS SE INTO THE REGION. 

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SATURDAY)
ISSUED AT 1113 AM MDT FRI AUG 29 2014

ISOLATED -SHRA WILL MOVE ACROSS THE WESTERN SD PLAINS THIS
AFTERNOON WITH SCATTERED -SHRA/-TSRA POSSIBLE LATER THIS
AFTERNOON...MAINLY EAST OF A LINE FROM KD07 TO KIEN. LOCAL MVFR
CIGS/VSBYS POSSIBLE WITH ANY -TSRA. LOCAL MVFR CIGS MAY SNEAK INTO
NORTHEAST WY THIS AFTERNOON...BUT SHOULD LIFT INTO VFR CIGS AS
HEATING CONTINUES. OTHERWISE...VFR CONDITIONS WILL PREVAIL
THROUGH SATURDAY MORNING.

&&

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

$$

UPDATE...26
SHORT TERM...13
LONG TERM...JC
AVIATION...HELGESON


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