WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

8:53 PM CDT JUL 26, 2026
Clear
86°F
Feels Like: 95°F
Dewpoint: 75°F
Rel. Hum.: 70%
Visibility: 10 miles
Wind: SSE at 5 mph
Pressure: 29.77 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 lower 70s. South winds 5 to 10 mph, becoming northwest with gusts up to 20 mph after midnight. Heat index values up to 106 early this evening.
MONDAY
Partly sunny. Patchy smoke. Hot with highs in the lower 90s. North winds around 10 mph with gusts up to 25 mph.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Patchy smoke in the evening. Lows around 70. North winds 5 to 10 mph.
TUESDAY
Partly sunny. Hot with highs around 90. South winds 5 to 10 mph.
TUESDAY NIGHT
Mostly clear. Humid with lows in the upper 60s. South winds 5 to 10 mph.
WEDNESDAY
Mostly sunny. Hot with highs in the lower 90s.
WEDNESDAY NIGHT
Mostly clear in the evening, then mostly cloudy with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Chance of rain 20 percent.
THURSDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with showers likely with a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 70 percent.
THURSDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then partly cloudy with a slight chance of thunderstorms after midnight. Lows in the mid 60s. Chance of rain 70 percent.
FRIDAY
Partly sunny. Highs in the lower 80s.
FRIDAY NIGHT THROUGH SUNDAY
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 AM CDT  7/26/2026
Sunday
26 JUL 2026
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 92° 98° Mostly Cloudy 4%

0% Thunder
( 13% severe)
SSW   12 49% 70°
High 96° WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 95° 104° Partly Cloudy SSW   10 48% 72°
Decreasing Clouds



WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 93° 101° Clear 1%

0% Thunder
( 21% severe)
SW   7 51% 72°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 82° 88° Clear SSE   6 77% 74°
Monday
27 JUL 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 77° 78° Partly Cloudy 4%

0% Thunder
( 8% severe)
W   7 85% 72°
Low 72° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 75° 75° Partly Cloudy NNW   8 79% 68°
High 90° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 73° 73° Partly Cloudy 0%

0% Thunder
( 2% severe)
N   10 71% 63°

Partly Cloudy



WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 84° 85° Partly Cloudy NNE   12 49% 63°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 89° 88° Partly Cloudy 1%

0% Thunder
( 6% severe)
N   12 37% 59°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 90° 89° Mostly Cloudy N   10 35% 59°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 88° 88° Mostly Cloudy 1%

0% Thunder
( 9% severe)
N   6 40% 61°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 78° 80° Partly Cloudy NNE   6 60% 63°
Tuesday
28 JUL 2026
WATERTOWN, SD 57201 weather forecast Day 3, 0 hours 1 AM 73° 73° Mostly Cloudy 5%

0% Thunder
( 13% severe)
NNE   5 68% 62°
Low 69° WATERTOWN, SD 57201 weather forecast Day 3, 3 hours 4 AM 71° 71° Mostly Cloudy NNE   5 71% 61°
High 90° WATERTOWN, SD 57201 weather forecast Day 3, 6 hours 7 AM 70° 70° Mostly Cloudy 3%

0% Thunder
( 9% severe)
SSE   3 76% 62°

Partly Cloudy



WATERTOWN, SD 57201 weather forecast Day 3, 9 hours 10 AM 80° 82° Partly Cloudy SSE   6 58% 64°
WATERTOWN, SD 57201 weather forecast Day 3, 15 hours 1 PM 86° 87° Partly Cloudy 0%

0% Thunder
( 14% severe)
S   7 46% 63°
WATERTOWN, SD 57201 weather forecast Day 3, 18 hours 4 PM 89° 90° Partly Cloudy SSW   7 41% 62°
WATERTOWN, SD 57201 weather forecast Day 3, 21 hours 7 PM 87° 88° Partly Cloudy     S   6 45% 63°

WATERTOWN, SD extended weather forecast

Wednesday
29 JUL 2026
Thursday
30 JUL 2026
Friday
31 JUL 2026
Saturday
1 AUG 2026
Sunday
2 AUG 2026
Low 68° Low 68° Low 64° Low 60° Low 63°
High 96° High 77° High 84° High 87° High 83°
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
Partly Cloudy
20% Rain
Mostly Cloudy
53% Rain
Partly Cloudy
20% Rain
Clear
11% Rain
Clear
16% Rain
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