Custer, South Dakota Weather Conditions

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Current Conditions

  • 90°
  • Clear
  • Wind: West 12 mph
  • Humidity: 24%
  • Visibility: 10.0 miles
  • Dew Point: 48°
  • Pressure: 29.74 in. -

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Next 12 Hours

12  pm
3  pm
6  pm
9  pm
12  am
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Partly Cloudy
Partly Cloudy
90°
90°
84°
75°
68°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Thursday
  • Chance of a Thunderstorm
  • High: 91 °
  • Low: 61 °
  • Chance of a Thunderstorm
  • Friday
  • Chance of a Thunderstorm
  • High: 82 °
  • Low: 55 °
  • Chance of a Thunderstorm
  • Saturday
  • Partly Cloudy
  • High: 75 °
  • Low: 50 °
  • Partly Cloudy
  • Sunday
  • Clear
  • High: 77 °
  • Low: 48 °
  • Clear
  • Monday
  • Partly Cloudy
  • High: 77 °
  • Low: 52 °
  • Partly Cloudy

Forecast for Custer, South Dakota

Updated: 9:00 AM MDT on July 24, 2014

  • Thursday

    Partly cloudy with a chance of a thunderstorm and a chance of rain in the afternoon. High of 91F. Winds from the West at 10 to 15 mph. Chance of rain 20%.

  • Thursday Night

    Partly cloudy with a chance of a thunderstorm and a chance of rain. Low of 61F. Winds from the West at 5 to 10 mph shifting to the NNW after midnight. Chance of rain 20%.

  • Friday

    Clear with a chance of a thunderstorm and a chance of rain in the afternoon. High of 82F. Winds from the NW at 5 to 10 mph shifting to the SW in the afternoon. Chance of rain 20%.

  • Friday Night

    Partly cloudy with a chance of a thunderstorm and a chance of rain in the evening, then clear. Low of 55F. Winds from the ESE at 5 to 10 mph shifting to the North after midnight. Chance of rain 20%.

  • Saturday

    Overcast in the morning, then partly cloudy. High of 75F. Winds from the NW at 5 to 15 mph.

  • Saturday Night

    Clear. Low of 50F. Winds from the NNW at 5 to 15 mph.

  • Sunday

    Clear. High of 77F. Winds from the North at 5 to 10 mph.

  • Sunday Night

    Partly cloudy in the evening, then overcast. Low of 48F. Winds from the East at 5 to 10 mph.

  • Monday

    Mostly cloudy in the morning, then clear. High of 77F. Winds from the SE at 5 to 10 mph.

  • Monday Night

    Partly cloudy with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the ESE at 5 to 10 mph. Chance of rain 50%.

  • Tuesday

    Partly cloudy with a chance of a thunderstorm. High of 75F. Winds less than 5 mph. Chance of rain 60%.

  • Tuesday Night

    Clear with a chance of a thunderstorm. Fog overnight. Low of 52F. Winds from the NE at 5 to 10 mph. Chance of rain 60% with rainfall amounts near 0.3 in. possible.

  • Wednesday

    Clear. High of 73F. Winds from the North at 5 to 15 mph.

  • Wednesday Night

    Clear. Low of 50F. Winds from the NE at 5 to 15 mph.

  • Thursday

    Partly cloudy. High of 77F. Winds less than 5 mph.

  • Thursday Night

    Clear. Low of 54F. Winds from the SE at 5 to 10 mph.

  • Friday

    Clear. High of 73F. Winds less than 5 mph.

  • Friday Night

    Clear. Low of 54F. Winds from the SE at 5 to 10 mph.

  • Saturday

    Clear. High of 75F. Winds from the SSE at 5 to 10 mph.

  • Saturday Night

    Partly cloudy. Low of 55F. Winds from the SSE at 5 to 15 mph.

  • Sunday

    Mostly cloudy. High of 75F. Winds less than 5 mph.

  • Sunday Night

    Clear. Fog overnight. Low of 55F. Winds from the SE at 5 to 10 mph.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: RAWS CUSTER SD US, Custer, SD

Updated: 12:24 PM MDT

Temperature: 87 °F Dew Point: 49 °F Humidity: 27% Wind: West at 8 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: RAWS BAKER PARK SD US, Keystone, SD

Updated: 12:35 PM MDT

Temperature: 86 °F Dew Point: 61 °F Humidity: 43% Wind: NNW at 4 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 86 °F Graphs

Location: RAWS RED CANYON SD US, Edgemont, SD

Updated: 11:57 AM MDT

Temperature: 97 °F Dew Point: 51 °F Humidity: 21% Wind: North at 4 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 94 °F Graphs

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

Updated: 12:36 PM MDT

Temperature: 85 °F Dew Point: 50 °F Humidity: 30% Wind: WSW at 5 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 83 °F Graphs

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

Updated: 1:09 PM MDT

Temperature: 83.8 °F Dew Point: 72 °F Humidity: 68% Wind: North at 3.0 mph Pressure: 29.59 in Hourly Precipitation: 0.00 in Heat Index: 89 °F Graphs

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

Updated: 11:45 AM MDT

Temperature: 95 °F Dew Point: - Humidity: - Wind: Calm Pressure: - Hourly Precipitation: 0.00 in Heat Index: 91 °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
1156 AM MDT THU JUL 24 2014

.SHORT TERM...TODAY THROUGH FRIDAY NIGHT
ISSUED AT 258 AM MDT THU JUL 24 2014

SMALL SHORTWAVE TOPPING RIDGE AXIS IS TRIGGERING ISOLATED THUNDERSTORMS
OVER NORTHWESTERN SD THIS MORNING...WHICH WILL CONTINUE TO WEAKEN AS
THEY MOVE EAST. ON THE SURFACE...LEE TROF EXTENDS FROM EASTERN MT
INTO SOUTHEAST WY. SOME THUNDERSTORMS MAY DEVELOP EARLY THIS
MORNING OVER SOUTH CENTRAL SD AS LOW LEVEL JET STRENGTHENS...
INDICATED BY MERRIMAN PROFILER WITH 50 KT AT 850MB.

TODAY...RIDGE AXIS SHIFTS EASTWARD...WITH ANOTHER SHORTWAVE
CROSSING FORECAST AREA ON SOUTHWEST FLOW. ALTHOUGH STRONGER
DYNAMICS WILL BE FARTHER NORTH INTO MT/ND/CANADA...OCCLUDED
FRONT TO SURFACE LOW AND DRYLINE TO THE SOUTH WILL MOVE FROM
EASTERN WY ACROSS SOUTH DAKOTA TODAY...WITH THUNDERSTORMS
DEVELOPING...ESPECIALLY OVER NORTHWESTERN SD WHERE CAPE WILL BE
OVER 2000J/KG. THUNDERSTORMS OVER NORTHEASTERN WY AND SOUTHWESTERN
SD WILL BE MORE ISOLATED...BUT COULD PRODUCE STRONG STRAIGHT LINE
WINDS WITH INVERTED-V SOUNDING PROFILE. TEMPERATURES WILL BE VERY
WARM OVER SOUTHWESTERN SD AS THERMAL RIDGE CROSSES WESTERN SD AND
SOUTHWEST WINDS INCREASE. BEHIND THE FRONT...COOLER DRIER AIR
MOVES INTO THE AREA...WITH WINDS BECOMING NORTHWEST AND SKIES
CLEARING.

UPPER LEVEL FLOW BECOMES ZONAL FRIDAY BELOW THE DEEP UPPER LOW IN
SOUTHERN CANADA. A SURFACE LOW FORMS OVER SOUTHEASTERN WY WITH
RETURN FLOW FROM NE PANHANDLE INTO SOUTHWESTERN SD AHEAD OF AN
INVERTED TROF NORTH OF THE LOW. SOME THUNDERSTORMS MAY DEVELOP
ALONG THE TROF OVER SOUTHWESTERN SD AND BLACK HILLS FRIDAY NIGHT
AND TRACK ACROSS SOUTHERN SD. TEMPERATURES WILL BE ABOUT 10
DEGREES COOLER...AS SURFACE HIGH BUILDS OVER ND-MN...WITH NORTHEAST
WINDS...SO WENT BELOW GUIDANCE TEMPS.

&&

.LONG TERM...SATURDAY THROUGH WEDNESDAY
ISSUED AT 258 AM MDT THU JUL 24 2014

UPPER-LEVEL FLOW TRANSITIONS FROM ZONAL TO NORTHWESTERLY DURING THE 
WEEKEND AS AN UPPER RIDGE REBUILDS OVER THE WESTERN CONUS. THIS WILL 
RESULT IN COOLER TEMPERATURES AND MAINLY DRY CONDITIONS FROM 
SATURDAY THROUGH MONDAY. WEAK SHORTWAVE DISTURBANCES WILL BEGIN TO 
ROTATE AROUND THE WESTERN RIDGE AND INTO THE NORTHERN PLAINS AGAIN 
BY THE MIDDLE OF NEXT WEEK. LOW CHANCE POPS ARE WARRANTED ACROSS 
PORTIONS OF THE AREA FROM MONDAY NIGHT THROUGH WEDNESDAY.  

&&

.AVIATION...FOR THE 18Z TAFS THROUGH 18Z FRIDAY
ISSUED AT 1155 AM MDT THU JUL 24 2014

VFR CONDITIONS ARE GENERALLY EXPECTED THROUGH THE FORECAST PERIOD. 
THERE IS A SLIGHT CHANCE OF THUNDERSTORMS LATE THIS AFTERNOON ACROSS 
NORTHEAST WY AND THE BLACK HILLS...WITH CHANCES SPREADING ACROSS 
WESTERN SD TONIGHT...AS A WEAK COLD FRONT MOVES ACROSS THE REGION.  

&&

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

$$

SHORT TERM...55
LONG TERM...15
AVIATION...26






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