Winner, SD Weather Forecast

Local 7-day forecast

47°
F

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.

Friday, April 17, 2026
Wind: 26 to 30 mph N
Friday

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 7-day forecast

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
Next High
47°F
Friday
Next Low
25°F
Friday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
26 to 30 mph
Friday

Daily Outlook

Today
Apr 17
Slight Chance Rain Showers then Slight Chance Snow Showers
47 °F
/ 25°F
Wind 26 to 30 mph
Sat
Apr 18
Slight Chance Snow Showers then Mostly Sunny
50 °F
/ 27°F
Wind 18 to 24 mph
Sun
Apr 19
Sunny
65 °F
/ 38°F
Wind 12 mph
Mon
Apr 20
Sunny
79 °F
/ 46°F
Wind 13 to 18 mph
Tue
Apr 21
Sunny
77 °F
/ 48°F
Wind 16 mph

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 source

Extended Forecast

Friday Night
Apr 17
25°F
Slight Chance Snow Showers
17 to 26 mph NW

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%.

Saturday
Apr 18
50°F
Slight Chance Snow Showers then Mostly Sunny
18 to 24 mph NW

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.

Saturday Night
Apr 18
27°F
Partly Cloudy
8 to 22 mph W

Partly cloudy, with a low around 27. West wind 8 to 22 mph, with gusts as high as 35 mph.

Sunday
Apr 19
65°F
Sunny
12 mph S

Sunny, with a high near 65.

Sunday Night
Apr 19
38°F
Mostly Clear
10 to 14 mph SE

Mostly clear, with a low around 38.

Monday
Apr 20
79°F
Sunny
13 to 18 mph S

Sunny, with a high near 79.

Monday Night
Apr 20
46°F
Mostly Clear
17 mph SW

Mostly clear, with a low around 46.

Tuesday
Apr 21
77°F
Sunny
16 mph NW

Sunny, with a high near 77.

Tuesday Night
Apr 21
48°F
Mostly Clear
15 mph E

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

Nearby Forecasts

Explore weather pages for nearby cities and major places around Winner.

Nearby forecast pages are not available for this location yet.

Tripp County  SD courthouse from S 1
Tripp County SD courthouse from S 1 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.