WATERTOWN, SD 57201 Weather Forecast & Current Conditions

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57201 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)

CURRENT WEATHER
WATERTOWN, SD Current Weather
7:53 PM CDT AUG 18, 2026
Scattered Clouds 72°F
Feels Like:	72°F
Dewpoint:	57°F
Rel. Hum.:	59%
Visibility:	10 miles
Wind:	NE at 10 mph
Pressure:	29.97 inches
Last 72 hours
Local Area Snow Depth
South Dakota Current Weather
South Dakota MOS Forecast Weather

Regional Weather Maps

(Automated weather data from NWS/FAA)

57201 WEATHER FORECAST
10-Day model forecast maps 2026 Hurricanes	WATERTOWN, SD 57201 Weather Forecast	Snowfall Forecast pages Snow Depth pages

TONIGHT
Mostly clear this evening, then becoming partly cloudy. Lows in the upper 50s. Northeast winds 5 to 10 mph, becoming southeast after midnight.

WEDNESDAY
Partly sunny. Highs in the upper 70s. South winds 5 to 10 mph, becoming west in the afternoon.

WEDNESDAY NIGHT
Partly cloudy. A slight chance of thunderstorms in the evening. Lows in the lower 60s. South winds 5 to 10 mph. Chance of rain 20 percent.

THURSDAY
Partly sunny. Humid with highs in the lower 80s. Southwest winds around 10 mph with gusts up to 20 mph.

THURSDAY NIGHT
Mostly clear. Lows in the lower 60s. West winds 5 to 10 mph.

FRIDAY
Mostly sunny. Highs in the lower 80s.

FRIDAY NIGHT
Mostly clear. A slight chance of thunderstorms in the evening. Lows in the upper 50s. Chance of rain 20 percent.

SATURDAY
Mostly sunny. Highs in the upper 70s.

SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s.

SUNDAY
Mostly cloudy in the morning, then becoming partly sunny. A 20 percent chance of showers. Highs in the upper 70s.

SUNDAY NIGHT
Partly cloudy with a 20 percent chance of thunderstorms. Lows in the lower 60s.

MONDAY
Partly sunny. Highs in the lower 80s.

MONDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.

57201 WEATHER SATELLITE LOOPS

Visible Weather Satellite
WATERTOWN, SD 57201

Infrared Weather Satellite
WATERTOWN, SD 57201

57201 WEATHER RADAR LOOP

NEXRAD Weather Radar
WATERTOWN, SD 57201

MOS COMPUTER WEATHER FORECAST

WATERTOWN, SD 3 hourly weather forecast

weather forecast created 7:00 AM CDT 8/18/2026

DAY/DATE &
WEATHER FORECAST SUMMARY

Tuesday
18 AUG 2026

1 PM

74°

74°

Partly Cloudy

3%

0% Thunder
( 23% severe)

N 6

62%

60°

High 78°

4 PM

77°

79°

Partly Cloudy

NNW 7

54%

59°

Partly Cloudy

7 PM

74°

74°

Partly Cloudy

1%

0% Thunder
( 12% severe)

N 7

57%

58°

10 PM

66°

66°

Partly Cloudy

ENE 5

78%

59°

Wednesday
19 AUG 2026

1 AM

61°

62°

Partly Cloudy

1%

0% Thunder
( 5% severe)

ESE 3

87%

57°

Low 56°

4 AM

59°

60°

Partly Cloudy

SE 2

87%

55°

High 79°

7 AM

58°

59°

Mostly Cloudy

3%

0% Thunder
( 8% severe)

CALM

87%

54°

Partly Cloudy

10 AM

69°

69°

Partly Cloudy

SSW 6

68%

58°

1 PM

76°

78°

Partly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 24% severe)

W 7

54%

58°

4 PM

77°

79°

Partly Cloudy

W 6

54%

59°

7 PM

74°

74°

Mostly Cloudy

12%
RAIN
<.01 in

0% Thunder
( 24% severe)

ENE 6

62%

60°

10 PM

67°

67°

Partly Cloudy

S 7

81%

61°

Thursday
20 AUG 2026

1 AM

64°

64°

Partly Cloudy

2%

0% Thunder
( 10% severe)

S 8

90%

61°

Low 59°

4 AM

63°

62°

Partly Cloudy

SSW 9

93%

61°

High 83°

7 AM

62°

61°

Mostly Cloudy

2%

0% Thunder
( 15% severe)

SSW 9

97%

61°

Partly Cloudy

10 AM

71°

71°

Clear

SSW 10

81%

65°

1 PM

79°

81°

Partly Cloudy

2%

0% Thunder
( 31% severe)

SW 12

60%

64°

4 PM

82°

83°

Partly Cloudy

W 12

51%

62°

7 PM

79°

80°

Partly Cloudy

W 7

56%

62°


WATERTOWN, SD extended weather forecast
Friday 21 AUG 2026	Saturday 22 AUG 2026	Sunday 23 AUG 2026	Monday 24 AUG 2026	Tuesday 25 AUG 2026
Low 59°	Low 57°	Low 61°	Low 61°	Low 59°
High 84°	High 84°	High 79°	High 84°	High 83°

Clear 17% Rain	Clear 1% Rain	Partly Cloudy 21% Rain	Partly Cloudy 19% Rain	Clear 9% Rain

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