Brant Lake, SD Weather Forecast & Current Conditions

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Brant Lake, SD Weather Maps

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Brant Lake Weather Map
UTC Time: 9/20/2026, 06:06
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Brant Lake, SD Regional Weather

Expires:202609200700;;747595
ASUS43 KFSD 200602
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
100 AM CDT SUN SEP 20 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>070-200700-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    NOT AVBL                                               
HURON          NOT AVBL                                               
$$
 
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

Brant Lake, SD

Tonight
Sprinkles
55°13°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/
90%
Monday
Rain Showers
58°/ 42° 14°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
60%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
40%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening. Lows in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph.

Sioux Falls, SD

Tonight
Drizzle
55°13°
0%
Sunday
Mostly Cloudy
65°/ 52° 18°/ 11°
100%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
50%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
50%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening, then a slight chance of drizzle after midnight. Patchy fog after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph.

Flandreau, SD

Tonight
Sprinkles
55°13°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/
70%
Monday
Rain Showers
58°/ 42° 14°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
60%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening. Patchy fog this evening. Lows in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph.

Salem, SD

Tonight
Drizzle
55°13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
100%
Monday
Rain Showers
60°/ 45° 16°/
70%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
60%
Thursday
Rain Showers
70°/ 55° 21°/ 13°
50%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A slight chance of drizzle after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Brookings, SD

Tonight
Sprinkles
52°11°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/
50%
Monday
Rain Showers
58°/ 42° 14°/
50%
Tuesday
Sunny
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
50%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening. Patchy fog this evening. Lows in the lower 50s. Northeast winds around 10 mph with gusts up to 20 mph.

Howard, SD

Tonight
Sprinkles
55°13°
0%
Sunday
Mostly Cloudy
65°/ 50° 18°/ 10°
90%
Monday
Rain Showers
60°/ 45° 16°/
50%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
60%
Thursday
Rain Showers
70°/ 55° 21°/ 13°
30%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening. Lows in the mid 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Pipestone, MN

Tonight
Sprinkles
52°11°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/
70%
Monday
Rain Showers
58°/ 42° 14°/
50%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
50%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening. Patchy fog. Lows in the lower 50s. Northeast winds around 10 mph with gusts up to 20 mph.

De Smet, SD

Tonight
Sprinkles
52°11°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/
70%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Sunny
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
60%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
40%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Mostly cloudy. A chance of sprinkles this evening. Lows in the lower 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Parker, SD

Tonight
Drizzle
58°14°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
100%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
50%
Thursday
Rain Showers
70°/ 55° 21°/ 13°
50%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening, then a slight chance of drizzle after midnight. Lows in the upper 50s. Northeast winds around 10 mph with gusts up to 20 mph.

Canton, SD

Tonight
Drizzle
58°14°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
100%
Monday
Rain Showers
58°/ 45° 14°/
100%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
50%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
50%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening, then a slight chance of drizzle after midnight. Lows in the upper 50s. Northeast winds around 10 mph with gusts up to 20 mph.

Luverne, MN

Tonight
Sprinkles
55°13°
0%
Sunday
Mostly Cloudy
65°/ 50° 18°/ 10°
90%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Sunny
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
50%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
50%
Friday
Cloudy
72°/ 55° 22°/ 13°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening. Patchy fog. Lows in the mid 50s. Northeast winds 5 to 10 mph.

Rock Rapids, IA

Tonight
Drizzle
55°13°
0%
Sunday
Cloudy
65°/ 52° 18°/ 11°
100%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
50%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
50%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening, then a slight chance of drizzle after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph.

Alexandria, SD

Tonight
Drizzle
58°14°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
100%
Monday
Rain Showers
60°/ 45° 16°/
70%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
68°/ 52° 20°/ 11°
50%
Thursday
Rain Showers
72°/ 55° 22°/ 13°
50%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A slight chance of sprinkles this evening, then a slight chance of drizzle after midnight. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Tyler, MN

Tonight
Sprinkles
52°11°
0%
Sunday
Mostly Cloudy
65°/ 48° 18°/
50%
Monday
Rain Showers
58°/ 42° 14°/
20%
Tuesday
Sunny
62°/ 45° 17°/
0%
Wednesday
Sunny
65°/ 52° 18°/ 11°
50%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
50%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy with a chance of sprinkles. Patchy fog. Lows in the lower 50s. Northeast winds 10 to 15 mph.

Clear Lake, SD

Tonight
Rain Showers
55°13°
20%
Sunday
Rain Showers
62°/ 48° 17°/
50%
Monday
Rain Showers
58°/ 42° 14°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
50%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
50%
Fri Night
Rain Showers
58°14°
20%
Saturday
Rain Showers
72°22°
40%

Night: Patchy fog late this evening. Cloudy with a 20 percent chance of showers. Near steady temperature in the mid 50s. Northeast winds 10 to 15 mph.

Hayti, SD

Tonight
Mostly Cloudy
55°13°
0%
Sunday
Rain Showers
62°/ 48° 17°/
50%
Monday
Rain Showers
60°/ 42° 16°/
50%
Tuesday
Cloudy
65°18°
0%
Wednesday
Cloudy
65°/ 52° 18°/ 11°
60%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
50%
Fri Night
Rain Showers
58°14°
20%
Saturday
Rain Showers
72°22°
40%

Night: Mostly cloudy. Near steady temperature in the mid 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.

Parkston, SD

Tonight
Drizzle
58°14°
0%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
100%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
50%
Thursday
Rain Showers
72°/ 55° 22°/ 13°
50%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A slight chance of drizzle after midnight. Lows in the upper 50s. Northeast winds 5 to 10 mph.

Worthington, MN

Tonight
Sprinkles
55°13°
0%
Sunday
Mostly Cloudy
65°/ 50° 18°/ 10°
70%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Sunny
62°/ 42° 17°/
0%
Wednesday
Sunny
65°/ 50° 18°/ 10°
50%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
50%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening. Patchy fog. Lows in the mid 50s. Northeast winds around 10 mph with gusts up to 20 mph.

Woonsocket, SD

Tonight
Sprinkles
55°13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
90%
Monday
Rain Showers
60°/ 45° 16°/
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
30%
Saturday
Rain Showers
72°22°
40%

Night: Cloudy. A chance of sprinkles this evening. Lows in the mid 50s. Northeast winds 5 to 10 mph.

Marshall, MN

Tonight
Sprinkles
55°13°
0%
Sunday
Mostly Cloudy
68°/ 50° 20°/ 10°
50%
Monday
Rain Showers
60°/ 45° 16°/
20%
Tuesday
Sunny
65°/ 45° 18°/
0%
Wednesday
Sunny
68°/ 52° 20°/ 11°
50%
Thursday
Rain Showers
70°/ 55° 21°/ 13°
50%
Friday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Saturday
Rain Showers
72°22°
30%

Night: Cloudy with a slight chance of sprinkles. Patchy fog. Lows in the mid 50s. North winds 5 to 10 mph.

Names listed above may include county names.

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