WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

6:53 AM CDT AUG 17, 2026
Clear
55°F
Feels Like: 54°F
Dewpoint: 54°F
Rel. Hum.: 96%
Visibility: 10 miles
Wind: SSE at 5 mph
Pressure: 30.11 inches
Last 72 hours

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WATERTOWN, SD 57201
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly sunny. A slight chance of thunderstorms this afternoon. Highs around 80. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
TONIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms. A chance of showers after midnight. Patchy fog after midnight. Lows around 60. West winds 5 to 10 mph. Chance of rain 30 percent.
TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. A chance of showers with a slight chance of thunderstorms. Highs in the mid 70s. North winds around 5 mph. Chance of rain 50 percent.
TUESDAY NIGHT
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 50s. Northeast winds 5 to 10 mph, becoming southeast after midnight. Chance of rain 50 percent.
WEDNESDAY
Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. South winds around 5 mph. Chance of rain 20 percent.
WEDNESDAY NIGHT
Partly cloudy. Lows in the upper 50s.
THURSDAY
Mostly sunny. Highs around 80.
THURSDAY NIGHT AND FRIDAY
Mostly clear. A 20 percent chance of thunderstorms. Lows in the lower 60s. Highs in the lower 80s.
FRIDAY NIGHT AND SATURDAY
Mostly clear. Lows in the upper 50s. Highs in the upper 70s.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s.
SUNDAY
Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20 percent.

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  8/16/2026
Monday
17 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 1, 0 hours 1 AM 61° 62° Clear 1%

0% Thunder
( 3% severe)
  CALM 78% 54°
Low 58° WATERTOWN, SD 57201 weather forecast Day 1, 3 hours 4 AM 59° 60° Partly Cloudy   CALM 83% 54°
High 80° WATERTOWN, SD 57201 weather forecast Day 1, 6 hours 7 AM 59° 58° Partly Cloudy 8%

0% Thunder
( 11% severe)
S   6 83% 54°

Partly Cloudy

Chance of Rain

WATERTOWN, SD 57201 weather forecast Day 1, 9 hours 10 AM 70° 70° Partly Cloudy SSW   9 71% 60°
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 76° 78° Partly Cloudy 27%
RAIN
.5–1 in
0% Thunder
( 29% severe)
SW   13 64% 63°
WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 79° 81° Partly Cloudy WSW   13 60% 64°
WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 77° 79° Partly Cloudy 9%

0% Thunder
( 25% severe)
WNW   9 64% 64°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 69° 69° Partly Cloudy SW   6 84% 64°
Tuesday
18 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 64° 65° Mostly Cloudy 21%
RAIN
.01–.1 in
0% Thunder
( 12% severe)
W   3 97% 63°
Low 59° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 62° 63° Mostly Cloudy WNW   3 100% 62°
High 75° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 60° 61° Mostly Cloudy 27%
RAIN
<.01 in
0% Thunder
( 19% severe)
N   3 100% 60°

Mostly Cloudy

Chance of Rain

WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 66° 66° Mostly Cloudy NNE   6 87% 62°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 72° 72° Mostly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 30% severe)
N   7 68% 61°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 73° 73° Mostly Cloudy NNE   6 66% 61°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 72° 72° Partly Cloudy 1%

0% Thunder
( 12% severe)
N   6 66% 60°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 64° 65° Partly Cloudy ENE   5 90% 61°

WATERTOWN, SD extended weather forecast

Wednesday
19 AUG 2026
Thursday
20 AUG 2026
Friday
21 AUG 2026
Saturday
22 AUG 2026
Sunday
23 AUG 2026
Low 57° Low 57° Low 63° Low 59° Low 57°
High 82° High 85° High 82° High 81° High 77°
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
26% Rain
Partly Cloudy
21% Rain
Partly Cloudy
37% Rain
Clear
9% Rain
Partly Cloudy
23% Rain
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