Lacky Dam, SD Weather Forecast & Current Conditions

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Lacky Dam Weather Map
UTC Time: 10/15/2026, 15:42
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Lacky Dam, SD Regional Weather

Expires:202610151600;;142680
ASUS43 KFSD 151510
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1000 AM CDT THU OCT 15 2026

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



SDZ012>016-024>037-041>051-057-063-072>074-151600-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT PTSUNNY   52  34  50 NW35G44   30.32R TC  11           
PIERRE         PTSUNNY   49  47  93 NW15      30.20R TC   9           
CUSTER         PTSUNNY   43  27  53 N15G30    30.34R TC   6           
ELLSWORTH AFB  PTSUNNY   50  34  54 NW29G36   30.30R TC  10           
PHILIP         PTSUNNY   49  43  80 N12       30.29R TC   9           
PINE RIDGE     PTSUNNY   47  45  93 NW9       30.32R TC   8           
WINNER         LGT RAIN  48  47  96 NW10      30.20S TC   9           
$$
 

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

Lacky Dam, SD

Today
Cloudy
50°/ 30° 10°/ -1°
0%
Friday
Sunny
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
72°/ 42° 22°/ 6°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
70°/ 45° 21°/ 7°
0%
Wednesday
Sunny
65°18°
0%

Day: Partly cloudy and windy. Highs around 50. Northwest winds 15 to 25 mph, increasing to 30 to 40 mph this afternoon. Gusts up to 50 mph.

Night: Becoming partly cloudy. Widespread frost after midnight. Windy with lows around 30. Northwest winds 25 to 35 mph with gusts up to 50 mph, diminishing to 15 to 25 mph with gusts up to 35 mph after midnight.

Faith, SD

Today
Cloudy
48°/ 28° 9°/ -2°
0%
Friday
Sunny
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
70°/ 45° 21°/ 7°
0%
Wednesday
Cloudy
65°18°
0%

Day: Partly cloudy and very windy. Highs in the upper 40s. Northwest winds 20 to 30 mph, increasing to 30 to 45 mph this afternoon. Gusts up to 60 mph.

Night: Partly cloudy in the evening, then clearing. Widespread frost after midnight. Windy with lows in the upper 20s. Northwest winds 25 to 35 mph with gusts up to 50 mph, diminishing to 15 to 25 mph with gusts up to 35 mph after midnight.

Philip, SD

Today
Rain Showers
52°/ 32° 11°/ 0°
50%
Friday
Sunny
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
75°/ 42° 24°/ 6°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
68°20°
0%

Day: Mostly cloudy with a chance of showers this morning, then partly cloudy this afternoon. Windy with highs in the lower 50s. Northwest winds 15 to 25 mph, increasing to 30 to 40 mph this afternoon. Gusts up to 50 mph. Chance of rain 50 percent.

Night: Partly cloudy and windy. Lows in the lower 30s. Northwest winds 25 to 35 mph with gusts up to 45 mph.

Isabel, SD

Today
Partly Cloudy
52°/ 32° 11°/ 0°
0%
Friday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
68°20°
0%
Sat Night
Clear
42°6°
0%
Wednesday
Clear
42°6°
0%
Thursday
Clear
42°6°
0%
Tuesday
Clear
42°6°
0%
Tue Night
Cloudy
48°9°
0%
Wednesday
Partly Cloudy
65°18°
0%

Day: Partly sunny and very windy. Highs in the lower 50s. Northwest winds 30 to 40 mph with gusts up to 55 mph.

Night: Mostly cloudy and very windy. Cooler with lows in the lower 30s. Northwest winds 30 to 40 mph with gusts up to 55 mph.

Ellsworth AFB, SD

WIND ADVISORY IN EFFECT UNTIL 11 PM MDT THIS EVENING
FREEZE WARNING IN EFFECT FROM 9 PM THIS EVENING TO 9 AM MDT FRIDAY
Today
Cloudy
52°/ 30° 11°/ -1°
0%
Friday
Sunny
55°/ 35° 13°/ 2°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Cloudy
68°20°
0%

Day: Partly cloudy this morning, then clearing. Windy with highs in the lower 50s. Northwest winds 15 to 25 mph, increasing to 30 to 40 mph this afternoon. Gusts up to 55 mph.

Night: Partly cloudy in the evening, then clearing. Widespread frost after midnight. Windy with lows around 30. Northwest winds 25 to 35 mph with gusts up to 50 mph, diminishing to 15 to 25 mph with gusts up to 40 mph after midnight.

Usta, SD

Today
Cloudy
48°/ 28° 9°/ -2°
0%
Friday
Sunny
52°/ 32° 11°/ 0°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
65°/ 38° 18°/ 3°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Sunny
68°/ 45° 20°/ 7°
0%
Wednesday
Cloudy
65°18°
0%

Day: Partly cloudy and very windy. Highs in the upper 40s. Northwest winds 20 to 30 mph, increasing to 30 to 45 mph this afternoon. Gusts up to 60 mph.

Night: Partly cloudy. Widespread frost after midnight. Windy with lows in the upper 20s. Northwest winds 25 to 35 mph with gusts up to 50 mph, diminishing to 15 to 25 mph with gusts up to 35 mph after midnight.

Box Elder, SD

Today
Rain Showers
52°/ 30° 11°/ -1°
20%
Friday
Sunny
55°/ 38° 13°/ 3°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
68°20°
0%

Day: Mostly cloudy with a slight chance of showers this morning, then mostly sunny this afternoon. Windy with highs in the lower 50s. Northwest winds 15 to 25 mph, increasing to 30 to 40 mph this afternoon. Gusts up to 55 mph. Chance of rain 20 percent.

Night: Partly cloudy in the evening, then clearing. Widespread frost after midnight. Windy with lows around 30. Northwest winds 30 to 40 mph with gusts up to 55 mph, diminishing to 15 to 25 mph with gusts up to 45 mph after midnight.

Fort Pierre, SD

Today
Rain Showers
55°/ 35° 13°/ 2°
20%
Friday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
72°/ 45° 22°/ 7°
0%
Sun Night
Cloudy
40°4°
0%
Mon-Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
72°22°
0%
Wednesday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A slight chance of showers late this morning. Very windy with highs in the mid 50s. Northwest winds 20 to 30 mph with gusts up to 45 mph, increasing to 30 to 40 mph with gusts up to 55 mph this afternoon. Chance of rain 20 percent.

Night: Mostly cloudy and very windy. Cooler with lows in the mid 30s. Northwest winds 35 to 40 mph, diminishing to 25 to 35 mph after midnight. Gusts up to 55 mph.

McIntosh, SD

Today
Partly Cloudy
50°/ 30° 10°/ -1°
0%
Friday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Clear
65°/ 45° 18°/ 7°
0%
Monday
Clear
65°/ 45° 18°/ 7°
0%
Wednesday
Partly Cloudy
65°18°
0%

Day: Partly sunny and very windy. Highs around 50. Northwest winds 20 to 30 mph with gusts up to 45 mph, increasing to 30 to 40 mph with gusts up to 55 mph this afternoon.

Night: Mostly cloudy. A chance of sprinkles in the evening. Very windy and cooler with lows around 30. Northwest winds 30 to 40 mph, diminishing to 20 to 30 mph after midnight. Gusts up to 55 mph.

Lemmon, SD

Today
Cloudy
45°/ 28° 7°/ -2°
0%
Friday
Sunny
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
65°/ 35° 18°/ 2°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Cloudy
68°/ 42° 20°/ 6°
0%
Wednesday
Cloudy
62°17°
0%

Day: Mostly sunny this morning, then becoming partly cloudy. Windy with highs in the mid 40s. Northwest winds 20 to 30 mph, increasing to 30 to 40 mph this afternoon. Gusts up to 50 mph.

Night: Becoming partly cloudy. Widespread frost after midnight. Windy with lows in the upper 20s. Northwest winds 25 to 35 mph with gusts up to 50 mph, diminishing to 10 to 15 mph with gusts up to 35 mph after midnight.

Kadoka, SD

Today
Rain Showers
52°/ 32° 11°/ 0°
90%
Friday
Sunny
52°/ 38° 11°/ 3°
0%
Saturday
Sunny
75°/ 42° 24°/ 6°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
68°/ 42° 20°/ 6°
0%
Tuesday
Sunny
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
68°20°
0%

Day: Mostly cloudy with showers this morning, then mostly sunny this afternoon. Windy with highs in the lower 50s. Northwest winds 10 to 20 mph, increasing to 30 to 40 mph this afternoon. Gusts up to 50 mph. Chance of rain 90 percent.

Night: Partly cloudy and windy. Lows in the lower 30s. Northwest winds 25 to 35 mph with gusts up to 45 mph.

Murdo, SD

Today
Rain Showers
55°/ 35° 13°/ 2°
50%
Friday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sun Night
Cloudy
38°3°
0%
Mon-Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
72°22°
0%
Wednesday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A chance of showers late this morning. Strong winds with highs in the mid 50s. Northwest winds 15 to 25 mph with gusts up to 40 mph, increasing to 35 to 45 mph with gusts up to 55 mph this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy and very windy. Cooler with lows in the mid 30s. Northwest winds 35 to 40 mph, diminishing to 25 to 35 mph after midnight. Gusts up to 55 mph.

Pierre, SD

Today
Rain Showers
55°/ 35° 13°/ 2°
50%
Friday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
72°/ 45° 22°/ 7°
0%
Sun Night
Cloudy
40°4°
0%
Mon-Mon Night
Clear
65°18°
0%
Tue-Tue Night
Clear
72°22°
0%
Wednesday
Partly Cloudy
68°20°
0%

Day: Mostly cloudy with a chance of showers late this morning, then partly sunny this afternoon. Very windy with highs in the mid 50s. Northwest winds 20 to 25 mph with gusts up to 35 mph, increasing to 25 to 35 mph with gusts up to 55 mph this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy and very windy. Lows in the mid 30s. Northwest winds 25 to 35 mph with gusts up to 55 mph.

Onida, SD

Today
Rain Showers
55°/ 35° 13°/ 2°
20%
Friday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
68°/ 42° 20°/ 6°
0%
Sun Night
Cloudy
38°3°
0%
Mon-Mon Night
Clear
65°18°
0%
Tuesday
Sunny
70°/ 48° 21°/ 9°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. A slight chance of showers late this morning. Very windy with highs in the mid 50s. Northwest winds 20 to 25 mph with gusts up to 40 mph, increasing to 25 to 35 mph with gusts up to 55 mph this afternoon. Chance of rain 20 percent.

Night: Mostly cloudy and very windy. Lows in the mid 30s. Northwest winds 25 to 35 mph with gusts up to 55 mph.

Belle Fourche, SD

Today
Cloudy
48°/ 28° 9°/ -2°
0%
Friday
Sunny
52°/ 35° 11°/ 2°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
65°/ 38° 18°/ 3°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
72°/ 45° 22°/ 7°
0%
Wednesday
Cloudy
65°18°
0%

Day: Partly cloudy and windy. Highs in the upper 40s. Northwest winds 15 to 25 mph, increasing to 25 to 35 mph this afternoon. Gusts up to 60 mph.

Night: Partly cloudy in the evening, then clearing. Widespread frost after midnight. Breezy with lows in the upper 20s. Northwest winds 20 to 30 mph. Gusts up to 45 mph in the evening.

Gettysburg, SD

Today
Partly Cloudy
52°/ 32° 11°/ 0°
0%
Friday
Partly Cloudy
50°/ 35° 10°/ 2°
0%
Saturday
Sunny
68°/ 42° 20°/ 6°
0%
Sun Night
Cloudy
38°3°
0%
Monday
Clear
68°20°
0%
Tuesday
Clear
68°/ 48° 20°/ 9°
0%

Day: Partly sunny and very windy. Highs in the lower 50s. Northwest winds 15 to 25 mph with gusts up to 35 mph, increasing to 25 to 35 mph with gusts up to 50 mph this afternoon.

Night: Mostly cloudy. A chance of sprinkles in the evening. Very windy with lows in the lower 30s. Northwest winds 25 to 35 mph with gusts up to 55 mph.

Long Valley, SD

Today
Rain Showers
52°/ 32° 11°/ 0°
90%
Friday
Sunny
52°/ 38° 11°/ 3°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
75°/ 48° 24°/ 9°
0%
Wednesday
Sunny
68°20°
0%

Day: Mostly cloudy with showers this morning, then mostly sunny this afternoon. Windy with highs in the lower 50s. Northwest winds 15 to 25 mph, increasing to 30 to 40 mph this afternoon. Gusts up to 50 mph. Chance of rain 90 percent.

Night: Partly cloudy and windy. Lows in the lower 30s. Northwest winds 25 to 35 mph with gusts up to 45 mph.

Buffalo, SD

Today
Cloudy
45°/ 25° 7°/ -4°
0%
Friday
Sunny
52°/ 38° 11°/ 3°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
65°/ 38° 18°/ 3°
0%
Monday
Sunny
65°/ 42° 18°/ 6°
0%
Tuesday
Cloudy
68°/ 45° 20°/ 7°
0%
Wednesday
Cloudy
62°17°
0%

Day: Partly cloudy and very windy. Highs in the mid 40s. Northwest winds 20 to 30 mph, increasing to 30 to 45 mph this afternoon. Gusts up to 55 mph.

Night: Partly cloudy in the evening, then clearing. Widespread frost after midnight. Windy with lows in the mid 20s. Northwest winds 25 to 35 mph with gusts up to 50 mph, diminishing to 10 to 15 mph with gusts up to 30 mph after midnight.

Sturgis, SD

Today
Cloudy
48°/ 30° 9°/ -1°
0%
Friday
Sunny
55°/ 42° 13°/ 6°
0%
Saturday
Sunny
75°/ 50° 24°/ 10°
0%
Sunday
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
68°/ 48° 20°/ 9°
0%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Cloudy
65°18°
0%

Day: Partly cloudy this morning, then clearing. Windy with highs in the upper 40s. Northwest winds 25 to 35 mph with gusts up to 55 mph.

Night: Partly cloudy in the evening, then clearing. Widespread frost after midnight. Breezy with lows around 30. Northwest winds 20 to 30 mph with gusts up to 50 mph.

Folsom, SD

Today
Rain Showers
55°/ 28° 13°/ -2°
20%
Friday
Sunny
55°/ 38° 13°/ 3°
0%
Saturday
Sunny
78°/ 45° 26°/ 7°
0%
Sunday
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
68°/ 42° 20°/ 6°
0%
Tuesday
Sunny
75°/ 45° 24°/ 7°
0%
Wednesday
Sunny
68°20°
0%

Day: Mostly cloudy with a slight chance of showers this morning, then mostly sunny this afternoon. Windy with highs in the mid 50s. North winds 10 to 20 mph, increasing to northwest 25 to 35 mph this afternoon. Gusts up to 50 mph. Chance of rain 20 percent.

Night: Clear. Widespread frost after midnight. Breezy with lows in the upper 20s. Northwest winds 20 to 30 mph with gusts up to 50 mph.

Names listed above may include county names.

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