WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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WATERTOWN, SD
Current Weather

8:53 PM CDT MAY 21, 2026
Clear
61°F
Feels Like: 59°F
Dewpoint: 41°F
Rel. Hum.: 48%
Visibility: 10 miles
Wind: SE at 12 mph, gusts to 22
Pressure: 30.04 inches
Last 72 hours

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WATERTOWN, SD 57201
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly cloudy this evening, then becoming partly cloudy. Lows in the lower 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph.
FRIDAY
Showers. A slight chance of thunderstorms in the afternoon. Cooler with highs in the mid 50s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain near 100 percent.
FRIDAY NIGHT
Mostly cloudy. Showers likely, mainly in the evening. Lows in the lower 40s. South winds 10 to 15 mph, becoming west after midnight. Gusts up to 30 mph. Chance of rain 70 percent.
SATURDAY
Mostly cloudy in the morning, then becoming partly sunny. Warmer with highs in the upper 60s. West winds around 10 mph with gusts up to 25 mph.
SATURDAY NIGHT
Partly cloudy. Lows in the mid 40s. South winds 5 to 10 mph.
SUNDAY AND SUNDAY NIGHT
Mostly clear. Highs in the upper 70s. Lows in the lower 50s.
MEMORIAL DAY THROUGH TUESDAY NIGHT
Mostly clear. Highs in the mid 80s. Lows in the upper 50s.
WEDNESDAY AND WEDNESDAY NIGHT
Partly cloudy. A 20 percent chance of thunderstorms. Highs in the lower 80s. Lows in the upper 50s.
THURSDAY
Partly sunny. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs around 80. 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  5/21/2026
Thursday
21 MAY 2026
WATERTOWN, SD 57201 weather forecast Day 1, 12 hours 1 PM 63° 61° Mostly Cloudy 1%

0% Thunder
( 2% severe)
SSE   15 41% 39°
High 66° WATERTOWN, SD 57201 weather forecast Day 1, 15 hours 4 PM 65° 65° Mostly Cloudy SSE   15 40% 40°
Mostly Cloudy



WATERTOWN, SD 57201 weather forecast Day 1, 18 hours 7 PM 64° 63° Mostly Cloudy 1%

0% Thunder
( 2% severe)
SE   15 43% 41°
WATERTOWN, SD 57201 weather forecast Day 1, 21 hours 10 PM 56° 53° Mostly Cloudy SE   13 57% 41°
Friday
22 MAY 2026
WATERTOWN, SD 57201 weather forecast Day 2, 0 hours 1 AM 50° 45° Partly Cloudy 19%
RAIN
<.01 in
0% Thunder
( 3% severe)
SE   13 68% 40°
Low 43° WATERTOWN, SD 57201 weather forecast Day 2, 3 hours 4 AM 47° 41° Mostly Cloudy SE   13 76% 40°
High 56° WATERTOWN, SD 57201 weather forecast Day 2, 6 hours 7 AM 47° 41° Overcast 91%
RAIN
***
0% Thunder
( 9% severe)
ESE   14 83% 42°

Mostly Cloudy

Rain


Breezy
WATERTOWN, SD 57201 weather forecast Day 2, 9 hours 10 AM 50° 44° Mostly Cloudy ESE   16 80% 44°
WATERTOWN, SD 57201 weather forecast Day 2, 12 hours 1 PM 49° 43° Mostly Cloudy 97%
RAIN
***
0% Thunder
( 17% severe)
SE   18 86% 45°
WATERTOWN, SD 57201 weather forecast Day 2, 15 hours 4 PM 51° 45° Mostly Cloudy SE   17 86% 47°
WATERTOWN, SD 57201 weather forecast Day 2, 18 hours 7 PM 53° 49° Mostly Cloudy 57%
RAIN
1–2 in
0% Thunder
( 11% severe)
SSE   14 83% 48°
WATERTOWN, SD 57201 weather forecast Day 2, 21 hours 10 PM 51° 48° Mostly Cloudy S   9 86% 47°
Saturday
23 MAY 2026
WATERTOWN, SD 57201 weather forecast Day 3, 0 hours 1 AM 48° 44° Mostly Cloudy 8%

0% Thunder
( 2% severe)
W   8 93% 46°
Low 43° WATERTOWN, SD 57201 weather forecast Day 3, 3 hours 4 AM 46° 41° Mostly Cloudy W   9 93% 44°
High 68° WATERTOWN, SD 57201 weather forecast Day 3, 6 hours 7 AM 46° 41° Mostly Cloudy 1%

0% Thunder
( 1% severe)
W   10 89% 43°

Mostly Cloudy



WATERTOWN, SD 57201 weather forecast Day 3, 9 hours 10 AM 54° 51° Mostly Cloudy W   10 71% 45°
WATERTOWN, SD 57201 weather forecast Day 3, 15 hours 1 PM 62° 61° Partly Cloudy 0%

0% Thunder
( 9% severe)
WSW   12 54% 45°
WATERTOWN, SD 57201 weather forecast Day 3, 18 hours 4 PM 66° 66° Partly Cloudy WSW   10 47% 45°
WATERTOWN, SD 57201 weather forecast Day 3, 21 hours 7 PM 65° 65° Partly Cloudy     SW   7 52% 47°

WATERTOWN, SD extended weather forecast

Sunday
24 MAY 2026
Monday
25 MAY 2026
Tuesday
26 MAY 2026
Wednesday
27 MAY 2026
Thursday
28 MAY 2026
Low 53° Low 59° Low 61° Low 58° Low 56°
High 82° High 88° High 86° High 76° High 77°
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
21% Rain
Partly Cloudy
33% Rain
Partly Cloudy
18% Rain
Overcast
47% Rain
Overcast
49% Rain
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