Winner, SD Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Slight Chance Snow Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Winner, SD in one place.
A slight chance of rain showers before 7am, then a slight chance of snow showers. Mostly cloudy. High near 47, with temperatures falling to around 45 in the afternoon. North wind 26 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Winner, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 15, 2026 11:36 AM CDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for Winner, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 11:36 AM CDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Winner
Monday looks like the warmest upcoming period in Winner at 79 degrees F.
Friday Night is the coolest period ahead with temperatures near 25 degrees F.
The strongest winds are forecast for Friday at about 26 to 30 mph N.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 11:36 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- UNR
- Radar station
- KLNX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of snow showers before 7pm, then a slight chance of rain and snow showers. Mostly cloudy. Low around 25, with temperatures rising to around 27 overnight. Northwest wind 17 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
A slight chance of snow showers before 7am. Mostly sunny, with a high near 50. Northwest wind 18 to 24 mph, with gusts as high as 36 mph.
Partly cloudy, with a low around 27. West wind 8 to 22 mph, with gusts as high as 35 mph.
Sunny, with a high near 65.
Mostly clear, with a low around 38.
Sunny, with a high near 79.
Mostly clear, with a low around 46.
Sunny, with a high near 77.
Mostly clear, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Slight Chance Rain Showers then Slight Chance Snow Showers
|
47°F |
26 to 30 mph
N
|
|
Friday Night
Apr 17
|
Slight Chance Snow Showers
|
25°F |
17 to 26 mph
NW
|
|
Saturday
Apr 18
|
Slight Chance Snow Showers then Mostly Sunny
|
50°F |
18 to 24 mph
NW
|
|
Saturday Night
Apr 18
|
Partly Cloudy
|
27°F |
8 to 22 mph
W
|
|
Sunday
Apr 19
|
Sunny
|
65°F |
12 mph
S
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
38°F |
10 to 14 mph
SE
|
|
Monday
Apr 20
|
Sunny
|
79°F |
13 to 18 mph
S
|
|
Monday Night
Apr 20
|
Mostly Clear
|
46°F |
17 mph
SW
|
|
Tuesday
Apr 21
|
Sunny
|
77°F |
16 mph
NW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
48°F |
15 mph
E
|
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