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Pine Ridge, South Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Pine Ridge SD
National Weather Service Forecast for: Pine Ridge SD
Issued by: National Weather Service Rapid City, SD
Updated: 9:09 pm MDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 51. Northeast wind 3 to 7 mph.
Mostly Clear

Juneteenth

Juneteenth: Mostly sunny, with a high near 79. Light north wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Mostly Sunny

Friday
Night
Friday Night: Increasing clouds, with a low around 53. Northeast wind 7 to 9 mph becoming southeast after midnight. Winds could gust as high as 18 mph.
Increasing
Clouds

Saturday

Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 78. Southeast wind 9 to 18 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%.
Chance
Showers then
Showers
Likely
Saturday
Night
Saturday Night: Showers and possibly a thunderstorm.  Low around 53. East wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 80%.
Showers

Sunday

Sunday: Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon.  High near 71. Northeast wind 5 to 15 mph becoming northwest in the morning. Winds could gust as high as 24 mph.  Chance of precipitation is 90%.
Showers

Sunday
Night
Sunday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers.  Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Chance
T-storms then
Slight Chance
Showers
Monday

Monday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 73.
Chance
Showers then
Chance
T-storms
Monday
Night
Monday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 49.
Showers
Likely

Lo 51 °F Hi 79 °F Lo 53 °F Hi 78 °F Lo 53 °F Hi 71 °F Lo 49 °F Hi 73 °F Lo 49 °F

 

Tonight
 
Mostly clear, with a low around 51. Northeast wind 3 to 7 mph.
Juneteenth
 
Mostly sunny, with a high near 79. Light north wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
 
Increasing clouds, with a low around 53. Northeast wind 7 to 9 mph becoming southeast after midnight. Winds could gust as high as 18 mph.
Saturday
 
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 78. Southeast wind 9 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%.
Saturday Night
 
Showers and possibly a thunderstorm. Low around 53. East wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 80%.
Sunday
 
Showers and possibly a thunderstorm before 9am, then showers between 9am and noon, then showers and possibly a thunderstorm after noon. High near 71. Northeast wind 5 to 15 mph becoming northwest in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 90%.
Sunday Night
 
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Monday
 
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 73.
Monday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 49.
Tuesday
 
A slight chance of showers before noon. Mostly sunny, with a high near 74.
Tuesday Night
 
A slight chance of showers and thunderstorms. Mostly clear, with a low around 49.
Wednesday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 77.
Wednesday Night
 
A chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Thursday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Pine Ridge SD.

Weather Forecast Discussion
669
FXUS63 KUNR 190429
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
1029 PM MDT Thu Jun 18 2026

.KEY MESSAGES...

- Increasingly unsettled this weekend with beneficial rainfall for
  many and the possibility of isolated severe thunderstorms later
  Saturday.
- Elevated fire weather conditions Friday
- Cooler temperatures for Sunday through Tuesday, then a gradual
  warm up for the rest of next week.

&&

.UPDATE...
Issued at 1027 PM MDT Thu Jun 18 2026

03z surface analysis had weak trough bisecting the CWA in response
to compact shortwave energy over central ND. This wave assisted a
cluster of thunderstorms under 110kt jet. 00z KUNR sounding was
mixed to 540mb with an inverted-V thermo profile which supported a
series of convective wind reports across northwestern SD this
evening along with a couple of severe thunderstorm warnings.
Latest guidance suggests jet will support a few showers overnight
from southeast MT into north-central SD with PoPs adjusted. Current
forecast in pretty good shape after tonight.

Mostly dry Friday will give way to increasingly unsettled weather
for the weekend. Northwest flow aloft will become west as a
series of disturbances move through the CWA inducing southeasterly
low-level flow and a good fetch of low-level moisture (PWATs
rising to 100-150% of normal). Buoyancy Saturday
afternoon/evening will be modulated by early Saturday cluster of
shra/TS. If atmosphere recovers enough over northeastern
WY/southwestern SD, active/severe storms may develop given
forecast shear, especially northeast of surface low which will be
located over central WY. Chance of QPF by 12z Monday >1.00" is
>50% from the Black Hills eastward. Beneficial if it fully
materializes for sure.

&&

.DISCUSSION...(This Evening Through Thursday)
Issued at 155 PM MDT Thu Jun 18 2026

Latest satellite imagery shows continued northwest flow over the
CWA. A few showers are starting to dot the landscape but rain
amounts will be negligible.

Looking ahead to tonight and tomorrow, we`ll continue the chances
for isolated showers and non-severe storms trying to drift in
from the north and northwest. Temperatures will be near-normal
with overnight lows in the 40s to low 50s and afternoon highs in
the 70s to low 80s.

Friday night and the weekend will see a weather pattern change
that will bring very different weather. The upper level
northwesterly flow will shift to a more westerly flow as a high
pressure builds over the desert southwest. At the surface, a lee
side low looks to develop in eastern Colorado. This pattern will
bring rain, and thunderstorms to the central plains, including
western South Dakota and northeast Wyoming.

With forecasted PWATs nearing 150% of normal in some models,
there is potential for heavy rain. The WPC has put most of western
South Dakota and northeast Wyoming in a marginal risk for
excessive rainfall. Saturday morning to Monday morning rainfall
amounts could be quite impressive; the EURO and GFS ensemble`s
75th percentile for Saturday and Sunday rainfall amounts are
around 1 to 1.5 inches, heaviest rain in south-central South
Dakota. The 25th percentile is around 0.50 to 0.75 inches. So
based on that, there is a solid chance for widespread 48 hour
rainfall amounts near 1 inch in western South Dakota.

The SPC has a slight risk of severe weather centered over the
KS/NE border but the surrounding Marginal Risk does spread into
southwestern SD. At this time, main concerns would be gusty winds
and hail.

&&

.AVIATION...(For the 06Z TAFS Through 06Z Friday Night)
Issued At 948 PM MDT Thu Jun 18 2026

VFR conditions are expected through the forecast period.
Isolated/scattered shra/TS will continue into the overnight hours
across (mainly) northwestern SD and extreme northeastern WY.

&&

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

$$

UPDATE...Helgeson
DISCUSSION...GS
AVIATION...Dye
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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