WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

7:53 AM CDT JUL 26, 2026
Clear
73°F
Feels Like: 73°F
Dewpoint: 66°F
Rel. Hum.: 79%
Visibility: 10 miles
Wind: Calm
Pressure: 29.85 inches
Last 72 hours

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WATERTOWN, SD 57201
Weather Forecast

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TODAY
Partly sunny. Hot with highs in the mid 90s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 103 this afternoon.
TONIGHT
Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph, becoming west with gusts up to 20 mph after midnight. Heat index values up to 102 early in the evening.
MONDAY
Partly sunny. Hot with highs in the lower 90s. North winds around 10 mph with gusts up to 20 mph.
MONDAY NIGHT
Partly cloudy. Lows around 70. Northeast winds 5 to 10 mph.
TUESDAY
Partly sunny. Hot with highs in the lower 90s. Southeast winds 5 to 10 mph.
TUESDAY NIGHT AND WEDNESDAY
Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.
WEDNESDAY NIGHT
Mostly clear in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the lower 70s. Chance of rain 30 percent.
THURSDAY
Mostly cloudy with a chance of showers in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent.
THURSDAY NIGHT
A slight chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 60s. Chance of rain 60 percent.
FRIDAY
Mostly sunny. A slight chance of thunderstorms in the morning. Highs in the mid 80s. Chance of rain 20 percent.
FRIDAY NIGHT AND SATURDAY
Mostly clear. Lows in the mid 60s. Highs in the mid 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  7/25/2026
Sunday
26 JUL 2026
WATERTOWN, SD 57201 weather forecast Day 1, 0 hours 1 AM 76° 77° Mostly Cloudy 21%
RAIN
<.01 in
0% Thunder
( 20% severe)
S   8 85% 71°
Low 74° WATERTOWN, SD 57201 weather forecast Day 1, 3 hours 4 AM 75° 75° Partly Cloudy S   8 79% 68°
High 95° WATERTOWN, SD 57201 weather forecast Day 1, 6 hours 7 AM 75° 75° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 17% severe)
S   9 74% 66°

Decreasing Clouds



WATERTOWN, SD 57201 weather forecast Day 1, 9 hours 10 AM 84° 88° Mostly Cloudy SW   12 61% 69°
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 92° 98° Partly Cloudy 1%

0% Thunder
( 12% severe)
SSW   12 49% 70°
WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 95° 103° Clear SSW   12 46% 71°
WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 94° 100° Clear 2%

0% Thunder
( 21% severe)
WSW   7 46% 70°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 83° 88° Partly Cloudy S   6 70% 72°
Monday
27 JUL 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 77° 79° Partly Cloudy 1%

0% Thunder
( 10% severe)
SSW   6 79% 70°
Low 73° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 75° 75° Partly Cloudy NNW   9 71% 65°
High 92° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 73° 73° Partly Cloudy 0%

0% Thunder
( 2% severe)
N   9 66% 61°

Partly Cloudy



WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 84° 84° Partly Cloudy NNE   10 46% 61°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 90° 89° Partly Cloudy 0%

0% Thunder
( 6% severe)
NNE   12 34% 58°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 91° 90° Mostly Cloudy N   12 32% 57°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 89° 89° Partly Cloudy 1%

0% Thunder
( 11% severe)
NNE   7 38% 60°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 79° 80° Partly Cloudy NE   6 54% 61°

WATERTOWN, SD extended weather forecast

Tuesday
28 JUL 2026
Wednesday
29 JUL 2026
Thursday
30 JUL 2026
Friday
31 JUL 2026
Saturday
1 AUG 2026
Low 68° Low 68° Low 68° Low 64° Low 60°
High 97° High 96° High 77° High 84° High 87°
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
15% Rain
Partly Cloudy
20% Rain
Mostly Cloudy
53% Rain
Partly Cloudy
20% Rain
Clear
11% Rain
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