WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

11:53 AM CDT AUG 12, 2026
Clear
81°F
Feels Like: 83°F
Dewpoint: 66°F
Rel. Hum.: 60%
Visibility: 10 miles
Wind: SSE at 7 mph
Pressure: 29.91 inches
Last 72 hours

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WATERTOWN, SD 57201
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
THIS AFTERNOON
Partly sunny. Near steady temperature in the lower 80s. East winds 5 to 10 mph.
TONIGHT
Cloudy. A chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Patchy smoke. Humid with lows in the lower 60s. East winds 5 to 10 mph. Chance of rain 50 percent.
THURSDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny in the afternoon. Humid with highs in the mid 70s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
THURSDAY NIGHT
Mostly cloudy. Lows in the upper 50s. East winds 10 to 15 mph.
FRIDAY
Partly sunny. A slight chance of showers in the morning, then a slight chance of thunderstorms in the afternoon. Highs in the mid 70s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.
FRIDAY NIGHT
Mostly cloudy with a 40 percent chance of thunderstorms. Lows in the lower 60s.
SATURDAY
Mostly cloudy. A slight chance of thunderstorms in the morning. Highs in the mid 70s. Chance of rain 20 percent.
SATURDAY NIGHT
Mostly cloudy. Lows in the upper 50s.
SUNDAY
Partly sunny. Highs in the lower 70s.
SUNDAY NIGHT
Mostly clear. Lows in the mid 50s.
MONDAY
Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 20 percent.
MONDAY NIGHT
Partly cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 50s. Chance of rain 40 percent.
TUESDAY
Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 30 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 AM CDT  8/12/2026
Wednesday
12 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 79° 81° Partly Cloudy 23%
RAIN
.5–1 in
0% Thunder
( 14% severe)
E   9 67% 67°
High 82° WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 81° 84° Partly Cloudy E   9 63% 67°
Mostly Cloudy

Chance of Rain

WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 77° 79° Mostly Cloudy 49%
RAIN
***
0% Thunder
( 32% severe)
E   8 71% 67°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 71° 71° Mostly Cloudy E   8 90% 68°
Thursday
13 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 68° 68° Overcast 32%
RAIN
***
0% Thunder
( 19% severe)
E   7 93% 66°
Low 63° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 66° 66° Mostly Cloudy NE   8 97% 65°
High 77° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 64° 64° NA 10%
RAIN
<.01 in
0% Thunder
( 8% severe)
ENE   9 97% 63°

Increasing Clouds



WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 68° 68° Mostly Cloudy ENE   12 87% 64°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 74° 74° Mostly Cloudy 15%
RAIN
1–2 in
0% Thunder
( 15% severe)
E   13 71% 64°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 76° 78° Mostly Cloudy E   13 66% 64°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 75° 75° Partly Cloudy 4%

0% Thunder
( 10% severe)
E   12 69% 64°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 68° 68° Mostly Cloudy ENE   10 84% 63°
Friday
14 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 3, 0 hours 1 AM 65° 65° Mostly Cloudy 4%

0% Thunder
( 5% severe)
ENE   9 87% 61°
Low 60° WATERTOWN, SD 57201 weather forecast Day 3, 3 hours 4 AM 63° 62° Mostly Cloudy E   10 90% 60°
High 77° WATERTOWN, SD 57201 weather forecast Day 3, 6 hours 7 AM 62° 61° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 4% severe)
E   12 93% 60°

Mostly Cloudy



WATERTOWN, SD 57201 weather forecast Day 3, 9 hours 10 AM 67° 67° Partly Cloudy E   14 87% 63°
WATERTOWN, SD 57201 weather forecast Day 3, 15 hours 1 PM 72° 72° Mostly Cloudy 9%

0% Thunder
( 9% severe)
ESE   15 79% 65°
WATERTOWN, SD 57201 weather forecast Day 3, 18 hours 4 PM 74° 74° Mostly Cloudy ESE   15 79% 67°
WATERTOWN, SD 57201 weather forecast Day 3, 21 hours 7 PM 74° 74° Mostly Cloudy     SE   12 82% 68°

WATERTOWN, SD extended weather forecast

Saturday
15 AUG 2026
Sunday
16 AUG 2026
Monday
17 AUG 2026
Tuesday
18 AUG 2026
Wednesday
19 AUG 2026
Low 65° Low 59° Low 59° Low 62° Low 60°
High 76° High 77° High 83° High 83° High 81°
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
49% Rain
Partly Cloudy
14% Rain
Partly Cloudy
16% Rain
Partly Cloudy
30% Rain
Partly Cloudy
24% Rain
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