Pierre, South Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
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NWS Forecast for Pierre SD
National Weather Service Forecast for:
Pierre SD
Issued by: National Weather Service Aberdeen, SD |
Updated: 2:45 am CDT Jul 14, 2025 |
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Overnight
 Mostly Clear
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Monday
 Hot
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Monday Night
 Slight Chance T-storms
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Tuesday
 Chance T-storms
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Tuesday Night
 Showers Likely
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Wednesday
 Chance Showers then Chance T-storms
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Wednesday Night
 Chance T-storms then Chance Showers
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Thursday
 Partly Sunny
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Thursday Night
 Partly Cloudy
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Lo 61 °F |
Hi 101 °F |
Lo 71 °F |
Hi 87 °F |
Lo 58 °F |
Hi 70 °F |
Lo 54 °F |
Hi 75 °F |
Lo 57 °F |
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Overnight
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Mostly clear, with a low around 61. East southeast wind around 7 mph. |
Monday
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Sunny and hot, with a high near 101. South southeast wind 5 to 15 mph. |
Monday Night
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A slight chance of showers and thunderstorms between 8pm and 1am. Partly cloudy, with a low around 71. South wind 9 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%. |
Tuesday
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A chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 87. Northeast wind 8 to 18 mph. Chance of precipitation is 40%. |
Tuesday Night
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Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Cloudy, with a low around 58. North northeast wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
Wednesday
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A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 70. Northeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. |
Wednesday Night
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A chance of showers and thunderstorms. Mostly cloudy, with a low around 54. North northeast wind 8 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. |
Thursday
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Partly sunny, with a high near 75. North northeast wind 8 to 11 mph becoming east southeast in the afternoon. |
Thursday Night
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Partly cloudy, with a low around 57. Southeast wind around 11 mph. |
Friday
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A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 20%. |
Friday Night
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A chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%. |
Saturday
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Partly sunny, with a high near 86. |
Saturday Night
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A slight chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 20%. |
Sunday
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A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%. |
Forecast from NOAA-NWS
for Pierre SD.
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Weather Forecast Discussion
021
FXUS63 KABR 140446 AAC
AFDABR
Area Forecast Discussion...UPDATED
National Weather Service Aberdeen SD
1146 PM CDT Sun Jul 13 2025
.KEY MESSAGES...
- Near record heat over portions of south central SD will create
heat index values in the 100 to 104 degree range Monday
afternoon.
- There is a Marginal Risk (level 1 out of 5) of severe weather
for the afternoon and evening hours Monday and Tuesday. Main
threats include hail up to the size of quarters and 60 mph wind
gusts.
- Heavy rain is possible along and east of the James River into west
central MN Tuesday.
- There will be a noticeable cool-down on Wednesday and Thursday,
with highs potentially 10 to 15 degrees below normal.
&&
.UPDATE...
Issued at 1142 PM CDT Sun Jul 13 2025
Aviation discussion updated below for the 06Z TAFs.
UPDATE Issued at 840 PM CDT Sun Jul 13 2025
Frontal boundary is making its way through KATY currently and
should be out of the CWA by 03Z. Radar is void of convection
currently, but will maintain slight chance (20%) PoPs for the next
hour or so out ahead of the front in the far southeast CWA.
Otherwise, skies will be mostly clear tonight with winds becoming
southerly once again by 12Z Monday.
&&
.DISCUSSION...
Issued at 148 PM CDT Sun Jul 13 2025
We`re starting out with a surface through set up from northern MN
through eastern SD. Cumulus cloud development has increased along
the boundary, with the potential for a few showers or even a
thunderstorm by 22Z. The threat of shower or thunderstorms will be
short lived (up to 2 hours) across our far eastern counties before
exiting east by 00Z. Our mainly dry weather will continue.
We`ve been watching the next round of smoke shift from south central
Canada through eastern ND/western MN during the day today. Forecast
guidance continues to show most of this smoke staying to the north
and east, with lighter concentrations over our far northeastern SD
and west central MN counties from around 05-18Z Monday. Additional
smoke looks to sink south from ND Tuesday, with unknown
concentrations at this time as it depends on way to many fire and
weather variables between now and then.
Higher temperatures and dewpoints in the upper 50s to upper 60s
(lowest over central SD) will combine with very warm air to create
heat index values in the 90s to near 105F. The highest heat index
values will be 100-105 over our southwestern counties Monday
afternoon. We`ll continue to monitor the latest trends with the
potential for heat headlines for 3-5 of our southwestern most
counties. The current forecast for PIR of 100F is only 4 degrees
from the record high from 1988.
The next surface through over eastern WY/western SD 18-21Z Monday
will extend from southwestern SD through far southeastern ND by 06Z
Tuesday. While some CAMs do show the potential for thunderstorm
development just prior to 00Z Tuesday, most show the thunderstorms
over central SD 00-03Z Tuesday. The main question will be if
additional additional development will extend to northeastern
SD/west central MN during the overnight hours with help from the low
level jet that will be around 40kts. While the SPC marginal risk
(level 1 out of 5) would be over mainly central SD Monday evening,
it would be over much of the forecast area Tuesday. Given the
southwest to northeast oriented trough across SD at 12Z Tuesday,
sinking to southeastern SD by mid 21Z and much of the instability
exiting, the main focus for any stronger storms should be through
the 18-21Z time period. Another concern for Tuesday into Tuesday
will be heavy rain from slow moving/training showers and storms. PW
values Tuesday afternoon into Tuesday night east of the MO River
range from 1.5 to over 2.25in. The NBM is showing a 35-65%
probability of 1" or more rain from Brown/Spink Counties east, with
the highest values between Sisseton and Milbank. Still, there is
some uncertainly/lower confidence on timing of the surface trough
and other specifics, so stay up to date on the latest for this
evolving forecast. This is leading to a wider range in high
temperatures, with the 25-75th percentiles being anywhere from 75 to
near 90F at ABR. Expect potential changes in the ongoing forecast
for Tuesday.
Cooler air will sink in with the surface high Wednesday and
Thursday, with higher confidence in the forecast temperatures. Highs
will be in the 60s to near 70F Wednesday and mainly in the 70s
Thursday. Friday will be a transition day, as temperatures rise back
into the upper 70s to mid 80.
&&
.AVIATION /06Z TAFS THROUGH 06Z MONDAY/...
Issued at 1142 PM CDT Sun Jul 13 2025
Terminals KABR,KATY,KPIR,KMBG
VFR conditions are forecast through the TAF period. Chances for
TSRA enter the picture late in the period, generally 00-06Z
Tuesday. Used PROB30 to convey this potential for the time being.
Any heavier showers could bring MVFR/IFR VSBY, although CIGs may
still remain VFR.
&&
.ABR WATCHES/WARNINGS/ADVISORIES...
SD...None.
MN...None.
&&
$$
UPDATE...TMT
DISCUSSION...06
AVIATION...TMT
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