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Winner, South Dakota 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Winner Regional Airport SD
National Weather Service Forecast for: Winner Regional Airport SD
Issued by: National Weather Service Rapid City, SD
Updated: 2:51 am CDT Apr 25, 2025
 
Overnight

Overnight: A 30 percent chance of showers.  Cloudy, with a low around 39. North wind around 11 mph, with gusts as high as 18 mph.
Chance
Showers
Friday

Friday: A 30 percent chance of showers, mainly before 7am.  Cloudy, with a high near 57. North wind 11 to 13 mph, with gusts as high as 21 mph.
Chance
Showers then
Mostly Cloudy
Friday
Night
Friday Night: Mostly cloudy, with a low around 40. East wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.
Mostly Cloudy

Saturday

Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 58. Breezy, with a southeast wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 40%.
Chance
Showers and
Breezy
Saturday
Night
Saturday Night: A chance of showers, with thunderstorms also possible after 1am.  Mostly cloudy, with a low around 49. Breezy, with a south wind 20 to 23 mph, with gusts as high as 33 mph.  Chance of precipitation is 30%.
Chance
Showers and
Breezy
Sunday

Sunday: A chance of showers, with thunderstorms also possible after 4pm.  Partly sunny, with a high near 76. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 30%.
Chance
Showers and
Breezy
Sunday
Night
Sunday Night: Showers and possibly a thunderstorm.  Low around 53. Breezy, with a southeast wind 14 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%.
Showers and
Breezy
Monday

Monday: A chance of showers, mainly after 1pm.  Mostly sunny, with a high near 75. Breezy, with a west wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.
Chance
Showers and
Breezy
Monday
Night
Monday Night: Showers likely, mainly before 1am.  Mostly cloudy, with a low around 38. Breezy.
Showers
Likely and
Breezy
Lo 39 °F Hi 57 °F Lo 40 °F Hi 58 °F Lo 49 °F Hi 76 °F Lo 53 °F Hi 75 °F Lo 38 °F

 

Overnight
 
A 30 percent chance of showers. Cloudy, with a low around 39. North wind around 11 mph, with gusts as high as 18 mph.
Friday
 
A 30 percent chance of showers, mainly before 7am. Cloudy, with a high near 57. North wind 11 to 13 mph, with gusts as high as 21 mph.
Friday Night
 
Mostly cloudy, with a low around 40. East wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.
Saturday
 
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 58. Breezy, with a southeast wind 13 to 18 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 40%.
Saturday Night
 
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 49. Breezy, with a south wind 20 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Sunday
 
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 76. Breezy, with a south wind 18 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Sunday Night
 
Showers and possibly a thunderstorm. Low around 53. Breezy, with a southeast wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%.
Monday
 
A chance of showers, mainly after 1pm. Mostly sunny, with a high near 75. Breezy, with a west wind 14 to 19 mph increasing to 21 to 26 mph in the afternoon. Winds could gust as high as 38 mph.
Monday Night
 
Showers likely, mainly before 1am. Mostly cloudy, with a low around 38. Breezy.
Tuesday
 
Mostly sunny, with a high near 62.
Tuesday Night
 
Mostly clear, with a low around 45.
Wednesday
 
A chance of showers. Mostly sunny, with a high near 74.
Wednesday Night
 
A chance of showers. Partly cloudy, with a low around 45.
Thursday
 
A slight chance of showers. Mostly sunny, with a high near 67.

 

Forecast from NOAA-NWS for Winner Regional Airport 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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