Watertown, SD Weather Forecast & Current Conditions

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Watertown Weather Map
UTC Time: 10/2/2026, 17:06
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Watertown, SD Regional Weather

Expires:202610021800;;417894
ASUS43 KFSD 021702
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1200 PM CDT FRI OCT 02 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.



SDZ017-020-022-023-036>040-048>070-021800-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    MOSUNNY   60  33  36 SE7       30.37S TC  16           
HURON          LGT RAIN  53  44  71 SE7       30.35F TC  12           
CHAMBERLAIN    MOSUNNY   58  43  57 SE13G23   30.34F TC  15           
MADISON        PTSUNNY   55  37  50 S8        30.36F TC  13           
MITCHELL       LGT RAIN  55  41  59 SE9       30.36F TC  13           
YANKTON        MOSUNNY   61  36  39 SE8       30.37F TC  16           
$$
 
ABBREVIATIONS USED IN REMARKS
   TC - TEMPERATURE IN CELSIUS
  WCI - WIND CHILL INDEX
   HX - HEAT INDEX
  VSB - VISIBILITY

  

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

Watertown, SD

Today
Sprinkles
58°/ 48° 14°/ 9°
0%
Saturday
Rain Showers
68°/ 48° 20°/ 9°
40%
Sunday
Sunny
65°18°
0%
Sun Night-Mon
Clear
45°7°
0%
Mon Night
Cloudy
55°13°
0%
Tuesday
Cloudy
72°22°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°22°
0%

Day: Partly sunny this morning, then mostly cloudy with a chance of sprinkles this afternoon. Highs in the upper 50s. Southeast winds 5 to 10 mph.

Night: Partly cloudy in the evening, then clearing. Not as cool with lows in the upper 40s. South winds 15 to 20 mph. Gusts up to 35 mph after midnight.

Hayti, SD

Today
Sprinkles
58°/ 48° 14°/ 9°
0%
Saturday
Rain Showers
68°/ 48° 20°/ 9°
30%
Sunday
Sunny
65°18°
0%
Sun Night-Mon
Clear
45°7°
0%
Mon Night
Cloudy
55°13°
0%
Tuesday
Cloudy
72°22°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°22°
0%

Day: Partly sunny. A chance of sprinkles this afternoon. Highs in the upper 50s. Southeast winds 5 to 10 mph.

Night: Partly cloudy in the evening, then clearing. Not as cool with lows in the upper 40s. South winds 15 to 20 mph with gusts up to 30 mph.

Clear Lake, SD

Today
Sprinkles
58°/ 48° 14°/ 9°
0%
Saturday
Rain Showers
68°/ 48° 20°/ 9°
30%
Sunday
Sunny
62°17°
0%
Sun Night-Mon
Clear
45°7°
0%
Mon Night
Cloudy
52°11°
0%
Tuesday
Cloudy
72°22°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°22°
0%

Day: Partly sunny. A chance of sprinkles this afternoon. Highs in the upper 50s. Northeast winds around 5 mph, becoming southeast this afternoon.

Night: Partly cloudy in the evening, then clearing. Breezy and not as cool with lows in the upper 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph, increasing to south 20 to 25 mph with gusts up to 35 mph after midnight.

Milbank, SD

Today
Sprinkles
60°/ 48° 16°/ 9°
0%
Saturday
Rain Showers
70°/ 48° 21°/ 9°
50%
Sunday
Sunny
65°18°
0%
Sun Night-Mon
Clear
42°6°
0%
Mon Night
Clear
52°11°
0%
Tue-Tue Night
Cloudy
75°24°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°22°
0%

Day: Partly sunny. A chance of sprinkles this afternoon. Highs around 60. Southwest winds around 5 mph, becoming southeast with gusts up to 20 mph this afternoon.

Night: Mostly cloudy with a chance of sprinkles in the evening, then partly cloudy after midnight. Not as cool with lows in the upper 40s. South winds 15 to 20 mph with gusts up to 30 mph.

Clark, SD

Today
Sprinkles
58°/ 48° 14°/ 9°
0%
Saturday
Rain Showers
68°/ 45° 20°/ 7°
40%
Sunday
Sunny
65°/ 45° 18°/ 7°
0%
Monday
Sunny
68°/ 55° 20°/ 13°
0%
Tuesday
Cloudy
72°22°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°22°
0%

Day: Partly sunny this morning, then mostly cloudy with a chance of sprinkles this afternoon. Highs in the upper 50s. Southeast winds 10 to 15 mph.

Night: Partly cloudy in the evening, then clearing. Breezy with lows in the upper 40s. South winds 15 to 25 mph with gusts up to 35 mph.

Sisseton, SD

Today
Sprinkles
62°/ 45° 17°/ 7°
0%
Saturday
Rain Showers
72°/ 45° 22°/ 7°
50%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Mon-Mon Night
Clear
68°20°
0%
Tuesday
Cloudy
75°24°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Partly sunny. A chance of sprinkles this afternoon. Highs in the lower 60s. Southwest winds around 5 mph, becoming south with gusts up to 20 mph this afternoon.

Night: Mostly cloudy with a chance of sprinkles in the evening, then partly cloudy after midnight. Not as cool with lows in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 30 mph.

De Smet, SD

Today
Sprinkles
62°/ 48° 17°/ 9°
0%
Saturday
Sprinkles
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
65°/ 45° 18°/ 7°
0%
Monday
Sunny
65°/ 55° 18°/ 13°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
68°20°
0%

Day: Cloudy. A chance of sprinkles this afternoon. Highs in the lower 60s. Southeast winds 10 to 15 mph.

Night: Mostly clear and breezy. Lows in the upper 40s. Southeast winds 10 to 15 mph, becoming south 15 to 25 mph after midnight.

Webster, SD

Today
Sprinkles
58°/ 48° 14°/ 9°
0%
Saturday
Rain Showers
68°/ 45° 20°/ 7°
50%
Sunday
Sunny
62°17°
0%
Sun Night-Mon
Clear
45°7°
0%
Mon Night
Clear
55°13°
0%
Tuesday
Cloudy
72°22°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°22°
0%

Day: Partly sunny this morning, then mostly cloudy with a chance of sprinkles this afternoon. Highs in the upper 50s. Southeast winds 5 to 10 mph. Gusts up to 25 mph this afternoon.

Night: Partly cloudy with a chance of sprinkles in the evening, then mostly clear after midnight. Not as cool with lows in the upper 40s. South winds 15 to 20 mph with gusts up to 35 mph.

Brookings, SD

Today
Rain Showers
60°/ 48° 16°/ 9°
20%
Saturday
Sprinkles
68°/ 48° 20°/ 9°
0%
Sunday
Sunny
62°/ 45° 17°/ 7°
0%
Monday
Sunny
65°/ 52° 18°/ 11°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
70°/ 52° 21°/ 11°
0%
Thursday
Sunny
68°20°
0%

Day: Cloudy. A chance of showers this afternoon. Highs around 60. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then clearing. Lows in the upper 40s. South winds 15 to 20 mph. Gusts up to 35 mph after midnight.

Madison, MN

Today
Sprinkles
62°/ 48° 17°/ 9°
0%
Saturday
Partly Cloudy
70°/ 48° 21°/ 9°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 52° 20°/ 11°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
72°22°
0%

Day: Increasing clouds. Chance of sprinkles late in the afternoon. Highs in the lower 60s. West winds up to 5 mph shifting to the southeast in the afternoon.

Night: Not as cool. Decreasing clouds. Chance of sprinkles in the evening. Lows in the upper 40s. Southeast winds 5 to 15 mph.

Redfield, SD

Today
Sprinkles
62°/ 50° 17°/ 10°
0%
Saturday
Rain Showers
72°/ 45° 22°/ 7°
40%
Sunday
Sunny
65°18°
0%
Sun Night-Mon
Clear
45°7°
0%
Mon Night
Cloudy
55°13°
0%
Tuesday
Cloudy
75°24°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Partly sunny with a chance of sprinkles. Highs in the lower 60s. Southeast winds 5 to 10 mph, increasing to 15 to 20 mph with gusts up to 30 mph this afternoon.

Night: Partly cloudy in the evening, then becoming mostly clear. Not as cool with lows around 50. Southeast winds 15 to 20 mph with gusts up to 35 mph.

Ortonville, MN

Today
Sprinkles
62°/ 45° 17°/ 7°
0%
Saturday
Rain Showers
72°/ 48° 22°/ 9°
50%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Mon-Mon Night
Clear
68°20°
0%
Tuesday
Cloudy
72°22°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°22°
0%

Day: Partly sunny. A chance of sprinkles this afternoon. Highs in the lower 60s. West winds around 5 mph, becoming south this afternoon.

Night: Mostly cloudy with a chance of sprinkles in the evening, then partly cloudy after midnight. Lows in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Tyler, MN

Today
Rain Showers
60°/ 48° 16°/ 9°
20%
Saturday
Sprinkles
68°/ 48° 20°/ 9°
0%
Sunday
Sunny
62°/ 45° 17°/ 7°
0%
Monday
Sunny
65°/ 52° 18°/ 11°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
70°/ 55° 21°/ 13°
0%
Thursday
Sunny
68°20°
0%

Day: Partly sunny early this morning, then becoming cloudy. A chance of showers this afternoon. Highs around 60. Northeast winds around 5 mph, becoming southeast this afternoon. Chance of rain 20 percent.

Night: Mostly cloudy with a chance of sprinkles in the evening, then mostly clear after midnight. Lows in the upper 40s. Southeast winds 5 to 10 mph with gusts up to 20 mph, increasing to south 15 to 20 mph with gusts up to 30 mph after midnight.

Granite Falls, MN

Today
Sprinkles
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
72°/ 48° 22°/ 9°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
65°/ 52° 18°/ 11°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
70°21°
0%

Day: Increasing clouds. Chance of sprinkles late in the afternoon. Highs in the lower 60s. Northwest winds up to 5 mph shifting to the southeast in the afternoon.

Night: Decreasing clouds. Chance of sprinkles in the evening. Lows in the upper 40s. Southeast winds 5 to 15 mph. Gusts up to 30 mph after midnight.

Wheaton, MN

Today
Sprinkles
62°/ 45° 17°/ 7°
0%
Saturday
Rain Showers
72°/ 45° 22°/ 7°
50%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Mon-Mon Night
Clear
68°20°
0%
Tue-Tue Night
Cloudy
78°26°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°22°
0%

Day: Partly sunny. Areas of frost this morning. A chance of sprinkles this afternoon. Highs in the lower 60s. West winds around 5 mph, becoming south this afternoon.

Night: Mostly cloudy with a chance of sprinkles in the evening, then partly cloudy after midnight. Not as cool with lows in the mid 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Britton, SD

Today
Sprinkles
60°/ 48° 16°/ 9°
0%
Saturday
Rain Showers
70°/ 45° 21°/ 7°
50%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Mon-Mon Night
Clear
68°20°
0%
Tue-Tue Night
Cloudy
78°26°
0%
Wednesday
Cloudy
70°21°
0%
Thursday
Cloudy
70°21°
0%

Day: Partly sunny this morning, then mostly cloudy with a chance of sprinkles this afternoon. Highs around 60. South winds 5 to 10 mph.

Night: Partly cloudy. A chance of sprinkles in the evening. Not as cool with lows in the upper 40s. Temperature rising into the lower 50s after midnight. South winds 15 to 20 mph with gusts up to 30 mph.

Aberdeen, SD

Today
Sprinkles
60°/ 48° 16°/ 9°
0%
Saturday
Rain Showers
72°/ 45° 22°/ 7°
40%
Sunday
Sunny
65°18°
0%
Sun Night-Mon
Clear
42°6°
0%
Mon Night
Cloudy
52°11°
0%
Tuesday
Cloudy
75°24°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°24°
0%

Day: Partly sunny this morning, then becoming mostly cloudy. A chance of sprinkles. Highs around 60. South winds 10 to 15 mph.

Night: Partly cloudy in the evening, then clearing. Not as cool with lows in the upper 40s. South winds 15 to 20 mph with gusts up to 30 mph.

Huron, SD

Today
Rain Showers
62°/ 52° 17°/ 11°
20%
Saturday
Sprinkles
72°/ 45° 22°/ 7°
0%
Sunday
Sunny
65°/ 48° 18°/ 9°
0%
Monday
Sunny
70°/ 55° 21°/ 13°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
72°22°
0%

Day: Cloudy. A chance of showers early this morning, then a chance of sprinkles this afternoon. Highs in the lower 60s. Southeast winds 5 to 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph this afternoon. Chance of rain 20 percent.

Night: Mostly clear. Lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Madison, SD

Today
Sprinkles
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
68°/ 48° 20°/ 9°
0%
Sunday
Sunny
65°/ 45° 18°/ 7°
0%
Monday
Sunny
65°/ 52° 18°/ 11°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
70°/ 55° 21°/ 13°
0%
Thursday
Sunny
68°20°
0%

Day: Cloudy. A chance of sprinkles this afternoon. Highs in the lower 60s. Southeast winds 5 to 10 mph.

Night: Mostly clear. Lows in the upper 40s. South winds 15 to 20 mph with gusts up to 30 mph.

Howard, SD

Today
Sprinkles
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Sunny
65°/ 45° 18°/ 7°
0%
Monday
Sunny
68°/ 55° 20°/ 13°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
72°/ 55° 22°/ 13°
0%
Thursday
Sunny
72°22°
0%

Day: Cloudy. A chance of sprinkles this afternoon. Highs in the lower 60s. Southeast winds around 5 mph, increasing to 10 to 15 mph with gusts up to 25 mph this afternoon.

Night: Mostly clear. Lows in the upper 40s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Names listed above may include county names.

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