WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

9:53 AM CDT AUG 20, 2026
Few Clouds
70°F
Feels Like: 70°F
Dewpoint: 64°F
Rel. Hum.: 81%
Visibility: 10 miles
Wind: S at 12 mph
Pressure: 29.96 inches
Last 72 hours

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WATERTOWN, SD 57201
Weather Forecast

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REST OF TODAY
Mostly cloudy late this morning, then becoming partly sunny. A chance of showers with a slight chance of thunderstorms late this morning. Highs in the lower 80s. Southwest winds 10 to 15 mph, becoming west this afternoon. Chance of rain 20 percent.
TONIGHT
Partly cloudy in the evening, then clearing. Lows in the upper 50s. North winds 5 to 10 mph.
FRIDAY
Mostly sunny. Highs around 80. North winds 5 to 10 mph.
FRIDAY NIGHT
Mostly clear. Lows in the upper 50s. North winds 5 to 10 mph.
SATURDAY
Mostly sunny. Highs in the upper 70s. North winds 5 to 10 mph with gusts up to 20 mph.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
SUNDAY
Partly sunny. Highs in the upper 70s.
SUNDAY NIGHT
Mostly cloudy with a slight chance of thunderstorms. A chance of showers after midnight. Lows in the lower 60s. Chance of rain 50 percent.
MONDAY
Mostly cloudy with a slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs in the lower 80s. Chance of rain 20 percent.
MONDAY NIGHT AND TUESDAY
Partly cloudy. Lows in the lower 60s. Highs in the lower 80s.
TUESDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows around 60.
WEDNESDAY
Partly sunny. Highs around 80.

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 PM CDT  8/19/2026
Thursday
20 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 1, 0 hours 1 AM 63° 62° Clear 6%

0% Thunder
( 8% severe)
S   9 93% 61°
Low 61° WATERTOWN, SD 57201 weather forecast Day 1, 3 hours 4 AM 62° 61° Clear S   10 97% 61°
High 83° WATERTOWN, SD 57201 weather forecast Day 1, 6 hours 7 AM 62° 60° Mostly Cloudy 8%

0% Thunder
( 7% severe)
S   13 100% 62°

Mostly Cloudy



WATERTOWN, SD 57201 weather forecast Day 1, 9 hours 10 AM 71° 71° Mostly Cloudy SSW   14 79% 64°
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 79° 81° Partly Cloudy 3%

0% Thunder
( 21% severe)
WSW   13 60% 64°
WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 83° 83° Partly Cloudy WNW   12 46% 60°
WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 79° 80° Partly Cloudy 0%

0% Thunder
( 8% severe)
NW   8 50% 59°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 69° 69° Clear NNE   6 66% 57°
Friday
21 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 64° 66° Partly Cloudy 1%

0% Thunder
( 4% severe)
NNE   1 78% 57°
Low 58° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 61° 62° Partly Cloudy   CALM 84% 56°
High 81° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 59° 60° Partly Cloudy 6%

0% Thunder
( 3% severe)
  CALM 87% 55°

Clear



WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 72° 72° Clear N   5 64% 59°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 79° 80° Clear 5%

0% Thunder
( 11% severe)
N   7 47% 57°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 81° 81° Clear N   7 46% 58°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 77° 79° Partly Cloudy 4%

0% Thunder
( 13% severe)
N   6 52% 58°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 68° 68° Partly Cloudy N   5 70% 58°

WATERTOWN, SD extended weather forecast

Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Tuesday
25 AUG 2026
Wednesday
26 AUG 2026
Low 56° Low 54° Low 59° Low 60° Low 58°
High 79° High 80° High 80° High 84° High 82°
WATERTOWN, SD 57201 weather forecast Day 3 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
Partly Cloudy
1% Rain
Partly Cloudy
12% Rain
Overcast
51% Rain
Clear
13% Rain
Clear
8% Rain
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