Deans Lake, SD Weather Forecast & Current Conditions

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Deans Lake, SD Weather Maps

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Deans Lake Weather Map
UTC Time: 10/21/2026, 04:57
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Deans Lake, SD Regional Weather

Expires:202610210500;;918383
ASUS43 KFSD 210410
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1100 PM CDT TUE OCT 20 2026

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



SDZ038>040-050-052>070-210500-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      CLEAR     54  45  71 SE12      30.13F TC  12           
CHAMBERLAIN    CLEAR     51  47  87 SE8       30.08S TC  11           
HURON          CLEAR     55  47  74 SE9       30.08R TC  13           
MADISON        CLEAR     54  48  82 SE8       30.12S TC  12           
MITCHELL       CLEAR     54  47  77 S10       30.09S TC  12           
SIOUX FALLS    CLEAR     58  45  62 S10       30.13F TC  14           
WINNER         CLEAR     61  48  62 S16       30.05S TC  16           
YANKTON        CLEAR     55  47  74 SE3       30.13S TC  13           
$$


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

Deans Lake, SD

Tonight
Clear
45°7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Sunny
75°/ 55° 24°/ 13°
0%
Saturday
Sunny
62°/ 40° 17°/ 4°
0%
Sunday
Partly Cloudy
55°/ 38° 13°/ 3°
0%
Monday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Tuesday
Sunny
52°11°
0%

Night: Clear. Lows in the mid 40s. South winds 5 to 10 mph.

Woonsocket, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Rain Showers
75°/ 58° 24°/ 14°
30%
Saturday
Sunny
65°/ 42° 18°/ 6°
0%
Sunday
Mostly Cloudy
58°/ 38° 14°/ 3°
0%
Monday
Partly Cloudy
55°/ 38° 13°/ 3°
0%
Tuesday
Sunny
55°13°
0%

Night: Mostly clear. Lows in the upper 40s. Southeast winds 10 to 15 mph.

Huron, SD

Tonight
Clear
45°7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Rain Showers
75°/ 55° 24°/ 13°
20%
Saturday
Sunny
62°/ 40° 17°/ 4°
0%
Sunday
Partly Cloudy
55°/ 38° 13°/ 3°
0%
Monday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Tuesday
Sunny
55°13°
0%

Night: Mostly clear. Lows in the mid 40s. Southeast winds 5 to 10 mph.

Plankinton, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
30%
Saturday
Sunny
62°/ 42° 17°/ 6°
0%
Sunday
Mostly Cloudy
55°/ 38° 13°/ 3°
30%
Monday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Tuesday
Sunny
52°11°
0%

Night: Clear. Lows in the upper 40s. South winds 10 to 15 mph.

Miller, SD

Tonight
Clear
45°7°
0%
Wednesday
Partly Cloudy
70°/ 48° 21°/ 9°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Friday
Partly Cloudy
78°/ 52° 26°/ 11°
20%
Sat Night
Mostly Cloudy
38°3°
0%
Sunday
Rain
55°/ 35° 13°/ 2°
20%
Monday
Partly Cloudy
52°/ 35° 11°/ 2°
0%

Night: Clear. Lows in the mid 40s. Southeast winds 10 to 15 mph.

Fort Thompson, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Partly Cloudy
78°/ 52° 26°/ 11°
30%
Saturday
Partly Cloudy
60°/ 40° 16°/ 4°
0%
Sun-Sun Night
Rain
55°13°
20%
Monday
Partly Cloudy
52°/ 35° 11°/ 2°
0%

Night: Clear. Lows in the upper 40s. Southeast winds 10 to 15 mph.

Chamberlain, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Sunny
78°/ 52° 26°/ 11°
30%
Saturday
Sunny
62°/ 42° 17°/ 6°
0%
Sunday
Mostly Cloudy
55°/ 38° 13°/ 3°
0%
Monday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Tuesday
Sunny
55°13°
0%

Night: Clear. Lows in the upper 40s. South winds 5 to 10 mph.

Mitchell, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 50° 24°/ 10°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Sunny
78°/ 58° 26°/ 14°
30%
Saturday
Rain Showers
65°/ 42° 18°/ 6°
30%
Sunday
Mostly Cloudy
58°/ 40° 14°/ 4°
30%
Monday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Tuesday
Sunny
55°13°
0%

Night: Clear. Lows in the upper 40s. South winds 10 to 15 mph.

Alexandria, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 50° 24°/ 10°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Rain Showers
75°/ 58° 24°/ 14°
30%
Saturday
Rain Showers
62°/ 42° 17°/ 6°
30%
Sunday
Mostly Cloudy
58°/ 40° 14°/ 4°
30%
Monday
Partly Cloudy
55°/ 38° 13°/ 3°
0%
Tuesday
Sunny
55°13°
0%

Night: Clear. Lows in the upper 40s. South winds 5 to 10 mph.

Howard, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 50° 24°/ 10°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Rain Showers
75°/ 58° 24°/ 14°
30%
Saturday
Rain Showers
60°/ 42° 16°/ 6°
30%
Sunday
Mostly Cloudy
55°/ 38° 13°/ 3°
0%
Monday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Tuesday
Sunny
55°13°
0%

Night: Clear. Lows in the upper 40s. Southeast winds 5 to 10 mph.

Kennebec, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Partly Cloudy
78°/ 58° 26°/ 14°
0%
Friday
Partly Cloudy
82°/ 52° 28°/ 11°
30%
Sat-Sat Night
Cloudy
58°14°
0%
Sun-Sun Night
Rain
55°13°
20%
Mon-Mon Night
Mostly Cloudy
52°11°
0%
Tuesday
Partly Cloudy
55°13°
0%

Night: Clear. Lows in the upper 40s. Southeast winds 10 to 15 mph, becoming south 5 to 10 mph after midnight.

De Smet, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Rain Showers
72°/ 58° 22°/ 14°
30%
Saturday
Partly Cloudy
60°/ 42° 16°/ 6°
0%
Sunday
Mostly Cloudy
55°/ 38° 13°/ 3°
0%
Monday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Tuesday
Sunny
52°11°
0%

Night: Clear. Lows in the upper 40s. South winds 5 to 10 mph.

Highmore, SD

Tonight
Clear
45°7°
0%
Wednesday
Sunny
70°/ 48° 21°/ 9°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Partly Cloudy
78°/ 52° 26°/ 11°
20%
Sat Night
Cloudy
38°3°
0%
Sunday
Rain
52°/ 35° 11°/ 2°
20%
Mon-Mon Night
Mostly Cloudy
52°11°
0%
Tuesday
Partly Cloudy
52°11°
0%

Night: Clear. Lows in the mid 40s. Southeast winds 10 to 15 mph, becoming east 5 to 10 mph after midnight.

Armour, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 50° 24°/ 10°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Sunny
75°/ 58° 24°/ 14°
30%
Saturday
Rain Showers
58°/ 42° 14°/ 6°
30%
Sunday
Mostly Cloudy
55°/ 40° 13°/ 4°
30%
Monday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Tuesday
Sunny
52°11°
0%

Night: Clear. Lows in the upper 40s. South winds 5 to 10 mph.

Redfield, SD

Tonight
Clear
45°7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Fri-Fri Night
Rain
75°24°
20%
Saturday
Rain
62°/ 38° 17°/ 3°
20%
Sunday
Rain
55°/ 35° 13°/ 2°
20%
Monday
Partly Cloudy
52°/ 35° 11°/ 2°
0%

Night: Mostly clear. Lows in the mid 40s. Southeast winds 10 to 15 mph.

Wagner, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Sunny
78°/ 55° 26°/ 13°
30%
Saturday
Rain Showers
62°/ 45° 17°/ 7°
30%
Sunday
Rain Showers
55°/ 42° 13°/ 6°
40%
Monday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Tuesday
Sunny
52°11°
0%

Night: Clear. Lows in the upper 40s. South winds 5 to 10 mph.

Parkston, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
78°/ 58° 26°/ 14°
0%
Friday
Rain Showers
75°/ 58° 24°/ 14°
30%
Saturday
Rain Showers
62°/ 45° 17°/ 7°
40%
Sunday
Rain Showers
55°/ 42° 13°/ 6°
30%
Monday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Tuesday
Sunny
55°13°
0%

Night: Mostly clear. Lows in the upper 40s. South winds 5 to 10 mph.

Clark, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Fri-Fri Night
Rain
72°22°
20%
Saturday
Rain
58°/ 42° 14°/ 6°
20%
Sun-Sun Night
Rain
52°11°
20%
Monday
Partly Cloudy
52°/ 35° 11°/ 2°
0%

Night: Clear. Lows in the upper 40s. Southeast winds 10 to 15 mph.

Salem, SD

Tonight
Clear
48°9°
0%
Wednesday
Sunny
75°/ 50° 24°/ 10°
0%
Thursday
Sunny
78°/ 55° 26°/ 13°
0%
Friday
Rain Showers
75°/ 58° 24°/ 14°
30%
Saturday
Rain Showers
65°/ 42° 18°/ 6°
30%
Sunday
Mostly Cloudy
55°/ 40° 13°/ 4°
30%
Monday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Tuesday
Sunny
55°13°
0%

Night: Mostly clear. Lows in the upper 40s. Southeast winds 5 to 10 mph.

Faulkton, SD

Tonight
Clear
45°7°
0%
Wednesday
Sunny
70°/ 45° 21°/ 7°
0%
Thursday
Partly Cloudy
75°/ 58° 24°/ 14°
0%
Friday
Partly Cloudy
75°/ 52° 24°/ 11°
20%
Sat-Sat Night
Cloudy
58°14°
0%
Sunday
Rain
52°/ 35° 11°/ 2°
20%
Monday
Partly Cloudy
50°/ 32° 10°/ 0°
0%

Night: Clear. Lows in the mid 40s. Southeast winds 10 to 15 mph, becoming northeast around 5 mph after midnight.

Names listed above may include county names.

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