WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

4:53 AM CDT JUL 24, 2026
Overcast
66°F
Feels Like: 66°F
Dewpoint: 64°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: SSW at 13 mph
Pressure: 29.99 inches
Last 72 hours

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WATERTOWN, SD 57201
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Mostly cloudy this morning, then clearing. Warmer with highs in the mid 80s. Southwest winds around 15 mph with gusts up to 25 mph.
TONIGHT
Partly cloudy. Humid with lows in the upper 60s. South winds 10 to 15 mph with gusts up to 30 mph.
SATURDAY
Partly sunny. Warmer with highs in the upper 90s. Southwest winds 5 to 10 mph with gusts up to 25 mph.
SATURDAY NIGHT
Mostly cloudy. A slight chance of thunderstorms in the evening. Humid with lows in the mid 70s. South winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20 percent. Heat index values up to 102 early in the evening.
SUNDAY
Partly sunny with a 20 percent chance of thunderstorms. Hot with highs in the upper 90s. South winds 10 to 15 mph with gusts up to 25 mph. Heat index values up to 103 in the afternoon.
SUNDAY NIGHT
Mostly clear. A slight chance of thunderstorms in the evening. Lows in the lower 70s. Chance of rain 20 percent. Heat index values up to 100 early in the evening.
MONDAY AND MONDAY NIGHT
Mostly clear. Hot. Highs in the mid 90s. Lows in the upper 60s.
TUESDAY
Partly sunny. Hot with highs around 90.
TUESDAY NIGHT AND WEDNESDAY
Mostly clear. Hot. Lows in the upper 60s. Highs in the lower 90s.
WEDNESDAY NIGHT AND THURSDAY
Mostly clear. A 20 percent chance of thunderstorms. Hot. Lows in the upper 60s. Highs in the lower 90s.

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  7/23/2026
Friday
24 JUL 2026
WATERTOWN, SD 57201 weather forecast Day 1, 0 hours 1 AM 66° 66° Mostly Cloudy 2%

0% Thunder
( 4% severe)
SSW   9 87% 62°
Low 64° WATERTOWN, SD 57201 weather forecast Day 1, 3 hours 4 AM 65° 65° Mostly Cloudy S   12 90% 62°
High 85° WATERTOWN, SD 57201 weather forecast Day 1, 6 hours 7 AM 65° 65° Mostly Cloudy 0%

0% Thunder
( 3% severe)
S   12 93% 63°

Mostly Cloudy



WATERTOWN, SD 57201 weather forecast Day 1, 9 hours 10 AM 72° 72° Mostly Cloudy SSW   14 79% 65°
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 79° 81° Partly Cloudy 0%

0% Thunder
( 8% severe)
SSW   14 64% 66°
WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 83° 86° Partly Cloudy SSW   14 59% 67°
WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 84° 86° Partly Cloudy 0%

0% Thunder
( 10% severe)
SSW   13 55% 66°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 77° 79° Partly Cloudy S   14 71% 67°
Saturday
25 JUL 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 73° 73° Partly Cloudy 4%

0% Thunder
( 11% severe)
S   13 84% 68°
Low 69° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 71° 71° Partly Cloudy S   10 87% 67°
High 96° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 71° 71° Partly Cloudy 0%

0% Thunder
( 7% severe)
S   8 87% 67°

Partly Cloudy



WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 83° 87° Partly Cloudy SW   7 63% 69°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 93° 97° Partly Cloudy 1%

0% Thunder
( 16% severe)
WSW   6 43% 67°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 96° 98° Partly Cloudy W   8 35% 64°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 94° 97° Mostly Cloudy 2%

0% Thunder
( 17% severe)
S   7 39% 65°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 82° 85° Partly Cloudy S   10 61% 67°

WATERTOWN, SD extended weather forecast

Sunday
26 JUL 2026
Monday
27 JUL 2026
Tuesday
28 JUL 2026
Wednesday
29 JUL 2026
Thursday
30 JUL 2026
Low 71° Low 67° Low 68° Low 66° Low 66°
High 99° High 95° High 95° High 93° High 90°
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
28% Rain
Partly Cloudy
23% Rain
Partly Cloudy
3% Rain
Partly Cloudy
32% Rain
Partly Cloudy
43% Rain
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