WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

10:53 PM CDT AUG 28, 2026
Clear
73°F
Feels Like: 73°F
Dewpoint: 64°F
Rel. Hum.: 73%
Visibility: 10 miles
Wind: SSE at 12 mph
Pressure: 29.90 inches
Last 72 hours

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WATERTOWN, SD 57201
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy with a chance of thunderstorms. Showers likely after midnight. Warmer with lows in the mid 60s. South winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 70 percent.
SATURDAY
Partly sunny. A slight chance of showers in the morning. Humid with highs in the mid 80s. Southeast winds 10 to 15 mph. Chance of rain 20 percent.
SATURDAY NIGHT
Partly cloudy in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Humid with lows in the mid 60s. East winds 5 to 10 mph. Chance of rain 40 percent.
SUNDAY
Partly sunny. Humid with highs in the upper 80s. East winds 5 to 10 mph, becoming southeast in the afternoon.
SUNDAY NIGHT
Mostly clear in the evening, then becoming mostly cloudy. Humid with lows in the upper 60s. Southeast winds 5 to 10 mph, becoming southwest after midnight.
MONDAY AND MONDAY NIGHT
Partly cloudy. Highs in the lower 80s. Lows in the lower 60s.
TUESDAY
Partly sunny. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.
TUESDAY NIGHT
Mostly cloudy. A chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 40 percent.
WEDNESDAY
Partly sunny. A slight chance of showers in the morning. Highs in the mid 80s. Chance of rain 20 percent.
WEDNESDAY NIGHT AND THURSDAY
Partly cloudy. A 20 percent chance of thunderstorms. Lows in the mid 60s. Highs in the mid 80s.
THURSDAY NIGHT
Mostly clear with a 20 percent chance of thunderstorms. Lows in the mid 60s.
FRIDAY
Mostly sunny. Highs in the mid 80s.

Visible Weather Satellite
WATERTOWN, SD 57201
Infrared Weather Satellite
WATERTOWN, SD 57201
NEXRAD Weather Radar
WATERTOWN, SD 57201

WATERTOWN, SD 3 hourly weather forecast

weather forecast created  7:00 AM CDT  8/28/2026
Friday
28 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 79° 80° Mostly Cloudy 9%

0% Thunder
( 15% severe)
S   15 54% 61°
High 84° WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 83° 84° Mostly Cloudy S   14 51% 63°
Mostly Cloudy

Chance of Rain

WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 80° 82° Mostly Cloudy 26%
RAIN
.25–.5 in
0% Thunder
( 37% severe)
SSE   13 58% 64°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 73° 73° Mostly Cloudy SSE   14 76% 65°
Saturday
29 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 70° 70° Overcast 82%
RAIN
***
0% Thunder
( 36% severe)
SSE   14 87% 66°
Low 64° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 67° 67° Mostly Cloudy SSE   14 93% 65°
High 84° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 66° 66° Mostly Cloudy 4%

0% Thunder
( 7% severe)
SSE   12 93% 64°

Mostly Cloudy



WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 72° 72° Partly Cloudy SSE   9 81% 66°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 80° 82° Partly Cloudy 2%

0% Thunder
( 9% severe)
SSE   7 65% 67°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 84° 87° Mostly Cloudy E   7 59% 68°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 81° 84° Partly Cloudy 2%

0% Thunder
( 15% severe)
E   8 67% 69°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 73° 73° Partly Cloudy E   9 84% 68°
Sunday
30 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 3, 0 hours 1 AM 70° 70° Mostly Cloudy 20%
RAIN
<.01 in
0% Thunder
( 15% severe)
E   8 93% 68°
Low 65° WATERTOWN, SD 57201 weather forecast Day 3, 3 hours 4 AM 68° 68° Mostly Cloudy E   8 97% 67°
High 86° WATERTOWN, SD 57201 weather forecast Day 3, 6 hours 7 AM 67° 67° Mostly Cloudy 6%

0% Thunder
( 11% severe)
E   8 97% 66°

Partly Cloudy



WATERTOWN, SD 57201 weather forecast Day 3, 9 hours 10 AM 73° 73° Partly Cloudy E   10 84% 68°
WATERTOWN, SD 57201 weather forecast Day 3, 15 hours 1 PM 82° 85° Partly Cloudy 1%

0% Thunder
( 12% severe)
SE   12 63% 68°
WATERTOWN, SD 57201 weather forecast Day 3, 18 hours 4 PM 86° 90° Partly Cloudy S   10 57% 69°
WATERTOWN, SD 57201 weather forecast Day 3, 21 hours 7 PM 83° 87° Partly Cloudy     SE   8 63% 69°

WATERTOWN, SD extended weather forecast

Monday
31 AUG 2026
Tuesday
1 SEP 2026
Wednesday
2 SEP 2026
Thursday
3 SEP 2026
Friday
4 SEP 2026
Low 61° Low 59° Low 56° Low 61° Low 63°
High 83° High 83° High 83° High 77° High 82°
WATERTOWN, SD 57201 weather forecast Day 4 WATERTOWN, SD 57201 weather forecast Day 5 WATERTOWN, SD 57201 weather forecast Day 6 WATERTOWN, SD 57201 weather forecast Day 7 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Mostly Cloudy
15% Rain
Partly Cloudy
23% Rain
Partly Cloudy
35% Rain
Partly Cloudy
38% Rain
Partly Cloudy
27% Rain
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