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Summerset, South Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for 3 Miles NNW Blackhawk SD
National Weather Service Forecast for: 3 Miles NNW Blackhawk SD
Issued by: National Weather Service Rapid City, SD
Updated: 1:51 am MDT Apr 25, 2025
 
Overnight

Overnight: A 40 percent chance of showers.  Areas of fog.  Otherwise, cloudy, with a low around 35. Calm wind.
Chance
Showers and
Areas Fog

Friday

Friday: A chance of showers before noon, then a chance of showers after 2pm.  Areas of fog before 9am.  Otherwise, cloudy, with a high near 47. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 22 mph.  Chance of precipitation is 40%.
Chance
Showers and
Areas Fog

Friday
Night
Friday Night: A 40 percent chance of showers.  Cloudy, with a low around 41. South wind 10 to 15 mph, with gusts as high as 29 mph.
Chance
Showers

Saturday

Saturday: A chance of showers, with thunderstorms also possible after noon.  Cloudy, then gradually becoming mostly sunny, with a high near 66. Breezy, with a south wind 16 to 21 mph, with gusts as high as 41 mph.  Chance of precipitation is 30%.
Breezy.
Chance
Showers then
Slight Chance
T-storms
Saturday
Night
Saturday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 50. South wind 10 to 18 mph, with gusts as high as 34 mph.
Slight Chance
Showers then
Partly Cloudy

Sunday

Sunday: A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 78. Southwest wind around 9 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.
Mostly Sunny
then Chance
Showers

Sunday
Night
Sunday Night: Showers and possibly a thunderstorm.  Low around 50. East wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 80%.
Showers


Monday

Monday: Showers.  Mostly cloudy, with a high near 62. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 43 mph.
Showers and
Breezy

Monday
Night
Monday Night: Showers likely before midnight.  Mostly cloudy, with a low around 36. Breezy.
Showers
Likely and
Breezy then
Partly Cloudy
Lo 35 °F Hi 47 °F Lo 41 °F Hi 66 °F Lo 50 °F Hi 78 °F Lo 50 °F Hi 62 °F Lo 36 °F

 

Overnight
 
A 40 percent chance of showers. Areas of fog. Otherwise, cloudy, with a low around 35. Calm wind.
Friday
 
A chance of showers before noon, then a chance of showers after 2pm. Areas of fog before 9am. Otherwise, cloudy, with a high near 47. Light and variable wind becoming southeast 5 to 10 mph in the morning. Winds could gust as high as 22 mph. Chance of precipitation is 40%.
Friday Night
 
A 40 percent chance of showers. Cloudy, with a low around 41. South wind 10 to 15 mph, with gusts as high as 29 mph.
Saturday
 
A chance of showers, with thunderstorms also possible after noon. Cloudy, then gradually becoming mostly sunny, with a high near 66. Breezy, with a south wind 16 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 30%.
Saturday Night
 
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 50. South wind 10 to 18 mph, with gusts as high as 34 mph.
Sunday
 
A chance of showers between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 78. Southwest wind around 9 mph becoming southeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
 
Showers and possibly a thunderstorm. Low around 50. East wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%.
Monday
 
Showers. Mostly cloudy, with a high near 62. Breezy, with a northwest wind 14 to 23 mph, with gusts as high as 43 mph.
Monday Night
 
Showers likely before midnight. Mostly cloudy, with a low around 36. Breezy.
Tuesday
 
Sunny, with a high near 64.
Tuesday Night
 
A slight chance of showers. Partly cloudy, with a low around 45.
Wednesday
 
A chance of showers. Partly sunny, with a high near 63.
Wednesday Night
 
A chance of showers. Partly cloudy, with a low around 42.
Thursday
 
A slight chance of showers. Mostly sunny, with a high near 62.

 

Forecast from NOAA-NWS for 3 Miles NNW Blackhawk SD.

Weather Forecast Discussion
282
FXUS63 KUNR 250733
AFDUNR

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
133 AM MDT Fri Apr 25 2025

.KEY MESSAGES...

- Warming temperatures through the weekend

- Progressive and unsettled flow over the forecast period


&&

.DISCUSSION...(Today Through Thursday)
Issued at 102 AM MDT Fri Apr 25 2025


Upper air models show troughing over the west coast, with weak
ridging over the northern Rockies, southwest flow over the FA.
Surface charts depict high pressure over eastern MT and a low over
southeastern WY this morning. Radar shows lingering light showers
around the Black Hills into southwestern and south central SD.
Temperatures sit in the 30s with light and variable winds.

Multiple impulses will keep active weather through the weekend.
Showers will continue today, mainly over the Black hills into
southwestern SD where models show the better forcing and weak
instability. Low level WAA continues through the weekend, with
more isolated to scattered showers possible on Saturday. Better
chance for widespread moisture returns Sunday and Monday. Upper
trough digs into the western CONUS and shifts eastward over the
weekend. Strong WAA ahead of the trough will bring temperatures
will bring temperatures into the 70s and possibly low 80s for
Sunday. Meanwhile models show mid-level gulf moisture injecting
into the central and northern plains. Convective models support
modest CAPE and shear that could bring severe storms Sunday
afternoon ahead of the main system, with precipitation
overspreading the FA later Sunday as the upper trough slides east
over the Rockies. NAEFS percentiles put the FA in the 99th
percentile for QPF on Sunday into Monday, while LREF probabilities
for 0.25" of 24hr/QPF show widespread 50-70 percent. Long range
models show a bit of a dry period towards mid-week, but another
impulse may impact the FA towards the end of the work-week. As far
as temperatures are concerned, after our warm Sunday, associated
cold front with that early week system will drop temperatures back
to seasonable the remainder of the forecast period.



&&

.AVIATION...(For the 06Z TAFS Through 06Z Friday Night)
Issued At 1058 PM MDT Thu Apr 24 2025

Widespread IFR conditions and transient LIFR conditions will
continue tonight and into Friday morning in rain/fog/low clouds.
Conditions will improve somewhat Friday afternoon, especially on
the western SD plains; however, IFR conditions could linger across
the BH/SW SD/NE WY through Friday night.

&&

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

$$

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






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