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Blackhawk, South Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Blackhawk SD
National Weather Service Forecast for: Blackhawk SD
Issued by: National Weather Service Rapid City, SD
Updated: 1:31 pm MST Dec 23, 2025
 
Tonight

Tonight: Mostly cloudy, with a temperature rising to around 51 by 1am. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 16 mph.
Mostly Cloudy

Wednesday

Wednesday: Mostly sunny, with a high near 60. West wind 7 to 9 mph becoming east in the afternoon.
Mostly Sunny

Wednesday
Night
Wednesday Night: Mostly cloudy, with a steady temperature around 46. South wind 9 to 17 mph, with gusts as high as 24 mph.
Mostly Cloudy

Christmas
Day
Christmas Day: Partly sunny, with a high near 65. West wind 13 to 18 mph, with gusts as high as 37 mph.
Partly Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 41. Southwest wind around 9 mph, with gusts as high as 21 mph.
Mostly Clear

Friday

Friday: Sunny, with a high near 61. Breezy, with a west wind 13 to 20 mph, with gusts as high as 37 mph.
Sunny then
Sunny and
Breezy
Friday
Night
Friday Night: Mostly clear, with a low around 36. West wind around 14 mph, with gusts as high as 30 mph.
Mostly Clear

Saturday

Saturday: A slight chance of snow after 11am.  Mostly sunny, with a high near 46. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 43 mph.
Slight Chance
Snow and
Breezy
Saturday
Night
Saturday Night: Mostly clear, with a low around 13.
Mostly Clear

Lo 46 °F Hi 60 °F Lo 46 °F Hi 65 °F Lo 41 °F Hi 61 °F Lo 36 °F Hi 46 °F Lo 13 °F

 

Tonight
 
Mostly cloudy, with a temperature rising to around 51 by 1am. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 16 mph.
Wednesday
 
Mostly sunny, with a high near 60. West wind 7 to 9 mph becoming east in the afternoon.
Wednesday Night
 
Mostly cloudy, with a steady temperature around 46. South wind 9 to 17 mph, with gusts as high as 24 mph.
Christmas Day
 
Partly sunny, with a high near 65. West wind 13 to 18 mph, with gusts as high as 37 mph.
Thursday Night
 
Mostly clear, with a low around 41. Southwest wind around 9 mph, with gusts as high as 21 mph.
Friday
 
Sunny, with a high near 61. Breezy, with a west wind 13 to 20 mph, with gusts as high as 37 mph.
Friday Night
 
Mostly clear, with a low around 36. West wind around 14 mph, with gusts as high as 30 mph.
Saturday
 
A slight chance of snow after 11am. Mostly sunny, with a high near 46. Breezy, with a northwest wind 15 to 23 mph, with gusts as high as 43 mph.
Saturday Night
 
Mostly clear, with a low around 13.
Sunday
 
Mostly sunny, with a high near 30.
Sunday Night
 
Partly cloudy, with a low around 17.
Monday
 
Mostly sunny, with a high near 45.
Monday Night
 
Partly cloudy, with a low around 29.
Tuesday
 
Mostly sunny, with a high near 53.

 

Forecast from NOAA-NWS for Blackhawk SD.

Weather Forecast Discussion
167
FXUS63 KUNR 232008
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
108 PM MST Tue Dec 23 2025

.KEY MESSAGES...

- Breezy, mainly dry, and unseasonably warm this week.

- Record to near-record high temperatures on Christmas Day.

- Chance of snow and much cooler, but seasonal, this weekend.

&&

.DISCUSSION...(This Evening Through Tuesday)
Issued at 1236 PM MST Tue Dec 23 2025

20Z upper level analysis has large ridge across the central CONUS,
with mainly high cloudiness streaming across the Northern Rockies
and Northern Plains. At the surface, high pressure resides across
south central Canada into the Northern Plains, with a weak surface
low and stationary boundary from southeast Montana into eastern
Wyoming. Cool southeast boundary layer flow is present across much
of western SD, with warmer southwest flow across northeast WY into
far southwest SD. Temperatures across the forecast area at 1 pm
range from the 30s across far northern SD, to around 60 across
northeast WY and far southwest SD.

Central CONUS upper level ridge remains fairly stationary for the
remainder of the week, with dry conditions and much above average
temperatures expected. Weak surface boundary will waver across the
forecast area during this time period. North of this boundary
across northwestern SD, temps will remain near to slightly above
average through Friday. But south of the boundary, southerly to
southwesterly flow will persist, with temperatures well above
average. Several temperature records are likely to fall over the
next 3 days.

For Wednesday, high temps will be in the 60s from northeast WY
through south central SD, with low 70s possible along the SD-NE
border.

On Thursday, the boundary shifts just a little further north, with
60s expected across much of the area, except far northwestern SD.

For Friday, slightly cooler air moves into the area, with temps
mainly in the 50s to mid 60s expected.

Upper ridge finally shifts east for the weekend, as a strong upper
trof crosses the Northern Rockies. Temperatures will fall back to
more seasonal readings on Saturday, with some light snow possible
across northeast WY and the Black Hills area, with little
accumulation expected. Sunday will be the coldest day, with high
temperatures remaining in the teens and 20s.

Upper ridge moves into the western CONUS early next week, with the
Northern Plains remaining under fast northwest flow. Temperatures
will moderate from the chilly temps over the weekend, with mainly
dry conditions continuing.

&&

.AVIATION...(For the 18Z TAFS Through 18Z Wednesday)
Issued At 1021 AM MST Tue Dec 23 2025

VFR conditions to continue through the valid forecast period.

&&

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

$$

DISCUSSION/KEY MESSAGES...15
AVIATION...Hintz
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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