WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

6:53 PM CDT AUG 16, 2026
Clear
75°F
Feels Like: 75°F
Dewpoint: 54°F
Rel. Hum.: 48%
Visibility: 10 miles
Wind: NNW at 12 mph
Pressure: 30.12 inches
Last 72 hours

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WATERTOWN, SD 57201
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph, becoming southwest after midnight.
MONDAY
Mostly sunny. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.
MONDAY NIGHT
Partly cloudy with a slight chance of thunderstorms in the evening, then mostly cloudy after midnight. Patchy fog after midnight. Lows in the upper 50s. West winds 5 to 10 mph. Chance of rain 20 percent.
TUESDAY
Mostly cloudy in the morning, then becoming partly sunny. Patchy fog in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 70s. North winds around 5 mph. Chance of rain 50 percent.
TUESDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s. Northeast winds around 5 mph, becoming southeast after midnight.
WEDNESDAY AND WEDNESDAY NIGHT
Partly cloudy. A 20 percent chance of thunderstorms. Highs in the mid 70s. Lows in the upper 50s.
THURSDAY
Partly sunny. A slight chance of showers in the morning. Highs in the upper 70s. Chance of rain 20 percent.
THURSDAY NIGHT
Mostly clear. A slight chance of thunderstorms in the evening. Lows around 60. Chance of rain 20 percent.
FRIDAY
Partly sunny. A slight chance of showers in the morning. Highs around 80. Chance of rain 20 percent.
FRIDAY NIGHT
Mostly clear. Lows in the upper 50s.
SATURDAY
Partly sunny. Highs in the upper 70s.
SATURDAY NIGHT AND SUNDAY
Partly cloudy. A 20 percent chance of showers. Lows around 60. 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 AM CDT  8/16/2026
Sunday
16 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 74° 74° Clear 0%

0% Thunder
( 1% severe)
NNW   12 55% 57°
High 78° WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 77° 79° Clear NW   12 47% 55°
Clear



WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 75° 75° Clear 0%

0% Thunder
( 2% severe)
NW   7 50% 55°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 65° 65° Clear N   2 70% 55°
Monday
17 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 61° 62° Partly Cloudy 2%

0% Thunder
( 3% severe)
  CALM 78% 54°
Low 55° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 58° 59° Partly Cloudy   CALM 87% 54°
High 80° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 58° 57° Partly Cloudy 5%

0% Thunder
( 10% severe)
S   6 87% 54°

Partly Cloudy

Chance of Rain

WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 70° 70° Partly Cloudy SSW   10 68% 59°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 76° 78° Partly Cloudy 28%
RAIN
***
0% Thunder
( 32% severe)
SW   14 62% 62°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 79° 81° Partly Cloudy WSW   13 62% 65°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 76° 78° Partly Cloudy 12%
RAIN
<.01 in
0% Thunder
( 33% severe)
WNW   8 69% 65°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 68° 68° Partly Cloudy SW   6 90% 65°
Tuesday
18 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 3, 0 hours 1 AM 64° 65° Mostly Cloudy 9%

0% Thunder
( 17% severe)
W   3 97% 63°
Low 58° WATERTOWN, SD 57201 weather forecast Day 3, 3 hours 4 AM 61° 62° Mostly Cloudy NW   3 100% 61°
High 75° WATERTOWN, SD 57201 weather forecast Day 3, 6 hours 7 AM 59° 59° Mostly Cloudy 35%
RAIN
.25–.5 in
0% Thunder
( 17% severe)
N   5 100% 59°

Mostly Cloudy

Chance of Rain

WATERTOWN, SD 57201 weather forecast Day 3, 9 hours 10 AM 66° 66° Mostly Cloudy NE   7 84% 61°
WATERTOWN, SD 57201 weather forecast Day 3, 15 hours 1 PM 71° 71° Mostly Cloudy 31%
RAIN
***
0% Thunder
( 25% severe)
NE   7 68% 60°
WATERTOWN, SD 57201 weather forecast Day 3, 18 hours 4 PM 72° 72° Mostly Cloudy NNE   7 66% 60°
WATERTOWN, SD 57201 weather forecast Day 3, 21 hours 7 PM 70° 70° Mostly Cloudy     NNE   6 71% 60°

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 61° Low 59° Low 61°
High 76° High 76° High 79° High 81° High 84°
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
Overcast
63% Rain
Mostly Cloudy
47% Rain
Partly Cloudy
21% Rain
Partly Cloudy
21% Rain
Partly Cloudy
24% Rain
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