Custer, South Dakota Weather Conditions

Your Weather

To update your location please enter your ZIP code, city, state, airport code or country in the field below. Weather by E-mail: Forecast storm alerts. Weather E-Mail Alert Sign Up »

Current Conditions

  • 80°
  • Clear
  • Wind: West 7 mph
  • Humidity: 43%
  • Visibility: 10.0 miles
  • Dew Point: 56°
  • Pressure: 29.70 in. 0
  • Heat Index: 80

Select a Section

Click a section below for more information.

Next 12 Hours

9  am
12  pm
3  pm
6  pm
9  pm
Clear
Clear
Mostly Cloudy
Mostly Cloudy
Chance of a Thunderstorm
Chance of T-storms
Chance of a Thunderstorm
Chance of T-storms
Thunderstorm
T-storms
78°
81°
78°
70°
61°
Forecast data from the National Digital Forecast Database.

5 Day Forecast

  • Sunday
  • Chance of a Thunderstorm
  • High: 81 °
  • Low: 51 °
  • Chance of T-Storms
  • Monday
  • Chance of Rain
  • High: 65 °
  • Low: 48 °
  • Chance of Rain
  • Tuesday
  • Chance of a Thunderstorm
  • High: 66 °
  • Low: 51 °
  • Chance of T-Storms
  • Wednesday
  • Chance of a Thunderstorm
  • High: 66 °
  • Low: 51 °
  • Chance of T-Storms
  • Thursday
  • Partly Cloudy
  • High: 74 °
  • Low: 55 °
  • Partly Cloudy

Forecast for Custer, South Dakota

Updated: 3:16 am MDT on July 5, 2015

  • Today

    Showers likely and slight chance of thunderstorms in the morning...then showers and thunderstorms in the afternoon. Some thunderstorms may be severe in the afternoon. Highs in the upper 70s to mid 80s. East winds 5 to 10 mph. Gusts up to 25 mph in the afternoon.

  • Tonight

    Showers and thunderstorms likely in the evening...then showers likely and slight chance of thunderstorms after midnight. Lows in the mid 50s. North winds 10 to 15 mph with gusts to around 25 mph. Chance of precipitation 70 percent.

  • Monday

    Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the mid 60s to lower 70s. North winds 10 to 15 mph.

  • Monday Night

    Partly cloudy. Lows in the upper 40s. East winds 5 to 10 mph.

  • Tuesday

    Partly cloudy. A 20 percent chance of showers and thunderstorms in the afternoon. Highs in the upper 60s to mid 70s. South winds 5 to 10 mph.

  • Tuesday Night

    Mostly cloudy with a 50 percent chance of showers and thunderstorms. Lows in the mid 50s.

  • Wednesday

    Mostly cloudy with a 50 percent chance of showers and thunderstorms. Highs in the lower 70s.

  • Wednesday Night

    Partly cloudy with a 30 percent chance of showers and thunderstorms. Lows in the mid 50s.

  • Thursday

    Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the mid 70s to lower 80s.

  • Thursday Night

    Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 50s.

  • Friday

    Partly cloudy with a 20 percent chance of showers and thunderstorms. Highs in the lower to mid 80s.

  • Friday Night

    Partly cloudy with a 20 percent chance of showers and thunderstorms. Lows in the upper 50s.

  • Saturday

    Mostly sunny in the morning then becoming partly cloudy. A 20 percent chance of showers and thunderstorms. Highs in the upper 70s to mid 80s.

Personal Weather Stations

Personal Weather Stations [Add your weather station!]

Location: Hay Creek Road, Custer, SD

Updated: 8:58 AM MDT

Temperature: 75.9 °F Dew Point: 56 °F Humidity: 50% Wind: Calm Pressure: 29.70 in Hourly Precipitation: 0.00 in Heat Index: 78 °F Graphs

Location: RAWS, Custer, SD

Updated: 7:55 AM MDT

Temperature: 78 °F Dew Point: 54 °F Humidity: 44% Wind: North at 3 mph Pressure: - Hourly Precipitation: 0.00 in Heat Index: 79 °F Graphs

Location: U.S. 16, Hill City, SD

Updated: 8:57 AM MDT

Temperature: 70.5 °F Dew Point: 63 °F Humidity: 77% Wind: North at - Pressure: 29.85 in Hourly Precipitation: - Heat Index: 72 °F Graphs

Location: Timber Trail, Edgemont, SD

Updated: 8:57 AM MDT

Temperature: 78.1 °F Dew Point: 62 °F Humidity: 57% Wind: North at - Pressure: 29.88 in Hourly Precipitation: - Heat Index: 80 °F Graphs

Location: Prairie Creek, Rapid City, SD

Updated: 8:58 AM MDT

Temperature: 78.2 °F Dew Point: 60 °F Humidity: 54% Wind: South at 2.0 mph Pressure: 29.64 in Hourly Precipitation: 0.00 in Heat Index: 80 °F Graphs

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

Updated: 8:52 AM MDT

Temperature: 88.5 °F Dew Point: 64 °F Humidity: 44% Wind: NW at 3.7 mph Pressure: 29.72 in Hourly Precipitation: - Heat Index: 90 °F Graphs

Location: copper oaks, Rapid City, SD

Updated: 8:58 AM MDT

Temperature: 81.9 °F Dew Point: 66 °F Humidity: 58% Wind: North at 11.2 mph Pressure: 29.79 in Hourly Precipitation: 0.00 in Heat Index: 84 °F Graphs

Location: Doc's Place, Hermosa, SD

Updated: 8:58 AM MDT

Temperature: 81.0 °F Dew Point: 65 °F Humidity: 59% Wind: ESE at 2.5 mph Pressure: 28.54 in Hourly Precipitation: 0.00 in Heat Index: 83 °F Graphs

Location: University Avenue, Hot Springs, SD

Updated: 8:57 AM MDT

Temperature: 73.8 °F Dew Point: 66 °F Humidity: 75% Wind: North at - Pressure: 29.93 in Hourly Precipitation: - Heat Index: 75 °F Graphs

Location: Pacific Avenue, Hot Springs, SD

Updated: 8:57 AM MDT

Temperature: 80.2 °F Dew Point: 68 °F Humidity: 65% Wind: North at - Pressure: 29.85 in Hourly Precipitation: - Heat Index: 83 °F Graphs

Location: Scott's Weather, Hermosa, SD

Updated: 8:54 AM MDT

Temperature: 80.1 °F Dew Point: 69 °F Humidity: 68% Wind: SSE at 2.7 mph Pressure: 29.64 in Hourly Precipitation: - Heat Index: 83 °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
522 AM MDT SUN JUL 5 2015

.SHORT TERM...TODAY THROUGH MONDAY NIGHT
ISSUED AT 242 AM MDT SUN JUL 5 2015

08Z SURFACE ANALYSIS HAD COLD FRONT FROM NORTHEAST ND INTO
SOUTHWEST MT WITH LOW PRESSURE DEVELOPING OVER SOUTH CENTRAL MT
NEAR THE FRONT AND TROUGH FROM THE LOW INTO CENTRAL NE. NOCTURNAL
LOW LEVEL JET PUSHING EAST EARLY THIS MORNING WITH MAIN THETA-E
ADVECTION OVER EASTERN SD/CENTRAL NE ALLOWING TSRA TO END OVER THE
CWA. STILL MIGHT BE AN ELEVATED STORM THROUGH 12Z OVER CENTRAL SD.

TODAY/TONIGHT...ATTENTION TURNS TO COLD FRONT/LOW. LATEST WATER 
VAPOUR LOOP HAD UPPER TROUGH MOVING SOUTHEAST OUT OF CENTRAL CANADA 
AND THEN ACROSS THE US/CANADIAN BORDERS OF MT/ND. LIFT UNDER RIGHT 
ENTRANCE REGION OF 120KT JET SUPPORTING ACTIVE CONVECTION ACROSS 
NORTHEAST MT AT 0830Z...WHICH WILL HEAD INTO WESTERN ND THIS 
MORNING...MAINLY NORTH OF THE CWA. CONVECTION WILL LIKELY PUT OUT AN 
OUTFLOW BOUNDARY...WHICH WILL PUSH COLD FRONT INTO NORTHWEST REACHES 
OF CWA THIS MORNING. UPPER LEVEL DIVERGENCE UNDER RIGHT ENTRANCE 
REGION OF JET WILL ENHANCE SURFACE LOW ALONG COLD FRONT...WHICH WILL 
SLIP TO I-90 EARLY THIS AFTERNOON WITH LOW NEAR KRAP. VERY 
WARM/MOIST AIR AHEAD OF LOW WILL POOL ALONG BOUNDARY WITH 2-4KJ/KG 
MLCAPE AND 25-50J/KG MLCIN. EFFECTIVE 0-6KM BULK SHEAR AROUND 20M/S 
EXPECTED ALONG BOUNDARY. AS CAP BREAKS ALONG/AHEAD OF FRONT...EXPECT 
SUPERCELLS TO DEVELOP EARLY THIS AFTERNOON. GIVEN STRENGTH OF 
INSTABILITY...VERY LARGE HAIL POSSIBLE. TORNADO THREAT IS THERE 
GIVEN NORTHEAST BOUNDARY LAYER FLOW BEHIND COLD FRONT...ELONGATING
HODOGRAPHS IF SUPERCELLS ARE POST FRONTAL...WHICH IS A DISTINCT
POSSIBILITY GIVEN SETUP...BUT MLLCL/S FAIRLY HIGH EXCEPT FOR
FAVORED AREA JUST EAST/NORTHEAST OF SURFACE LOW. ACTIVITY WILL
SLOWLY GROW UPSCALE LATE THIS AFTERNOON/EARLY THIS EVENING AND
MORPH INTO A POTENTIALLY STRONG FORWARD PROPAGATING MCS OVER
CENTRAL INTO EASTERN SD WITH ENHANCED WIND THREAT. GIVEN
PARAMETERS...ENHANCED RISK OF SEVERE WEATHER LOOKS ON TARGET EAST
OF RAPID CITY. COLD FRONT PUSHES SOUTHEAST OF CWA TONIGHT WITH A
PERIOD OF GUSTY NORTH/NORTHEAST WINDS BEHIND IT THIS
AFTERNOON/EARLY THIS EVENING. TEMPERATURES WILL BE TRICKY GIVEN
FRONTAL POSITION.

MONDAY...HIGH PRESSURE BUILDS INTO THE CWA WITH DRIER CONDITIONS ON 
TAP.

.LONG TERM...TUESDAY THROUGH SATURDAY
ISSUED AT 242 AM MDT SUN JUL 5 2015

GENERALLY DRY WEATHER WILL CONTINUE INTO TUESDAY AS STRONG HIGH
PRESSURE SHIFTS EAST INTO THE UPPER MIDWEST. RETURN FLOW ACROSS NE
WY AND FAR WRN SD WILL BRING BACK SOME CHANCES OF STORMS TUE
AFTN/NGHT. BROAD CYCLONIC FLOW IS PROGGED TO DEVELOP ACROSS THE
REGION WED AND THU WITH DAILY CHANCES FOR STORMS. TEMPERATURES
WILL BE NEAR AVERAGE. MODELS ARE DIVERGING GREATLY FOR THE END OF
THE WEEK WITH HOW AN UPPER LOW OVER CA WILL PHASE BACK INTO THE
MAIN FLOW. THE WETTER SOLUTION IS THE GFS WHICH HAS MOST OF THE
ENERGY PUSHING WITHIN THE SW FLOW INTO THE NRN PLAINS. THE ECMWF
KEEP STRONG UPPER RIDGING CENTERED ACROSS THE SRN PLAINS WHICH
KEEPS THE REMNANT LOW PUSHING NE THRU THE NRN ROCKIES...ALONG WITH
THE BEST CHANCES FOR STORMS.

&&

.AVIATION...FOR THE 12Z TAFS THROUGH 12Z MONDAY MORNING
ISSUED AT 522 AM MDT SUN JUL 5 2015

A STRONG COLD FRONT WILL CROSS THE AREA TODAY. WITH THIS 
FRONT...NUMEROUS SHRA/TSRA WILL DEVELOP ACROSS THE AREA TODAY AND 
TONIGHT. SOME STORMS ARE EXPECTED TO BE SEVERE. MVFR/IFR CONDITIONS 
ARE EXPECTED WITH THE STRONG STORMS. STORM ACTIVITY WILL END THROUGH 
THE NIGHT AS COOLER AND DRIER AIR MOVES IN FROM THE NW...LEADING TO 
VFR CONDITIONS.
 
&&

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

$$

SHORT TERM...HELGESON
LONG TERM...13
AVIATION...13


National Weather Service Glossary of Abbreviations

Expanded Version (without abbreviations)

Powered by the Weather Underground, Inc.