WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

7:53 AM CDT AUG 18, 2026
Clear
64°F
Feels Like: 64°F
Dewpoint: 61°F
Rel. Hum.: 90%
Visibility: 10 miles
Wind: Calm
Pressure: 29.97 inches
Last 72 hours

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WATERTOWN, SD 57201
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Partly sunny. Highs in the upper 70s. North winds 5 to 10 mph.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. North winds 5 to 10 mph, becoming southeast after midnight.
WEDNESDAY
Partly sunny. A slight chance of showers in the afternoon. Highs in the upper 70s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
WEDNESDAY NIGHT
Partly cloudy with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 50s. Southwest winds 5 to 10 mph. Chance of rain 20 percent.
THURSDAY
Mostly sunny. Highs in the lower 80s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
THURSDAY NIGHT THROUGH SATURDAY
Mostly clear. Lows around 60. Highs around 80.
SATURDAY NIGHT
Mostly clear in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the upper 50s. Chance of rain 20 percent.
SUNDAY
Mostly cloudy in the morning, then partly sunny with a chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.
SUNDAY NIGHT
Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 30 percent.
MONDAY
Partly sunny. Highs in the lower 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 PM CDT  8/17/2026
Tuesday
18 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 1, 0 hours 1 AM 66° 66° Partly Cloudy 49%
RAIN
.1–.25 in
0% Thunder
( 15% severe)
SW   5 87% 62°
Low 60° WATERTOWN, SD 57201 weather forecast Day 1, 3 hours 4 AM 63° 64° Mostly Cloudy W   5 93% 61°
High 77° WATERTOWN, SD 57201 weather forecast Day 1, 6 hours 7 AM 61° 61° Mostly Cloudy 7%

0% Thunder
( 8% severe)
N   5 97% 60°

Partly Cloudy



WATERTOWN, SD 57201 weather forecast Day 1, 9 hours 10 AM 67° 67° Partly Cloudy NNE   6 84% 62°
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 74° 74° Partly Cloudy 5%

0% Thunder
( 15% severe)
N   6 62% 60°
WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 77° 79° Partly Cloudy NNW   6 56% 60°
WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 73° 73° Partly Cloudy 3%

0% Thunder
( 8% severe)
NNW   6 59% 58°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 66° 66° Clear NE   3 78% 59°
Wednesday
19 AUG 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 61° 62° Partly Cloudy 1%

0% Thunder
( 5% severe)
ESE   3 87% 57°
Low 55° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 59° 60° Partly Cloudy SSE   2 90% 56°
High 78° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 58° 59° Mostly Cloudy 5%

0% Thunder
( 4% severe)
SE   2 93% 56°

Partly Cloudy

Chance of Rain

WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 69° 69° Clear S   6 73% 60°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 76° 78° Partly Cloudy 27%
RAIN
<.01 in
0% Thunder
( 29% severe)
SW   7 56% 59°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 76° 78° Mostly Cloudy SW   6 58% 60°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 73° 73° Partly Cloudy 8%

0% Thunder
( 21% severe)
SW   6 64% 60°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 66° 66° Partly Cloudy S   6 87% 62°

WATERTOWN, SD extended weather forecast

Thursday
20 AUG 2026
Friday
21 AUG 2026
Saturday
22 AUG 2026
Sunday
23 AUG 2026
Monday
24 AUG 2026
Low 57° Low 59° Low 57° Low 61° Low 61°
High 85° High 84° High 84° High 79° High 84°
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
25% Rain
Clear
17% Rain
Clear
1% Rain
Partly Cloudy
21% Rain
Partly Cloudy
19% Rain
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