Lacy, SD Weather Forecast & Current Conditions

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Lacy Weather Map
UTC Time: 10/24/2026, 17:28
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Lacy, SD Regional Weather

Expires:202610241800;;115752
ASUS43 KFSD 241710
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1200 PM CDT SAT OCT 24 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>074-241800-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT MOSUNNY   47  22  37 N20       30.38S TC   8           
PIERRE         PTSUNNY   49  33  54 NW20G29   30.34R TC   9           
CUSTER         MOSUNNY   42  17  36 VRB5      30.35R TC   6           
ELLSWORTH AFB  MOSUNNY   47  22  37 NW23      30.34F TC   8           
PHILIP         CLOUDY    47  28  47 NW16      30.39R TC   8           
PINE RIDGE     CLOUDY    43  28  55 NE10      30.40R TC   6           
SPEARFISH      SUNNY     43  19  39 W15       30.40R TC   6           
WINNER         PTSUNNY   48  33  56 NW25G33   30.34R 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

Lacy, SD

Today
Partly Cloudy
55°/ 35° 13°/ 2°
0%
Sunday
Rain
45°/ 35° 7°/ 2°
100%
Monday
Rain
38°/ 28° 3°/ -2°
100%
Tuesday
Mostly Cloudy
55°/ 35° 13°/ 2°
0%
Wed Night-Thu
Cloudy
38°3°
0%
Thu Night-Fri
Mostly Cloudy
42°6°
0%

Day: Partly sunny and breezy. Much cooler with highs in the mid 50s. Northwest winds 20 to 25 mph with gusts up to 40 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. Northeast winds 5 to 10 mph.

Pierre, SD

Today
Mostly Cloudy
55°/ 38° 13°/ 3°
0%
Sunday
Rain
45°/ 35° 7°/ 2°
100%
Monday
Rain
38°/ 32° 3°/ 0°
100%
Tuesday
Mostly Cloudy
55°/ 35° 13°/ 2°
0%
Wednesday
Sunny
60°/ 38° 16°/ 3°
0%
Thu Night
Mostly Cloudy
42°6°
0%
Friday
Mostly Cloudy
62°17°
0%

Day: Mostly cloudy and breezy. Much cooler with highs in the mid 50s. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 30s. Northeast winds 5 to 10 mph.

Onida, SD

Today
Mostly Cloudy
55°/ 35° 13°/ 2°
0%
Sunday
Rain
45°/ 35° 7°/ 2°
90%
Monday
Snow
38°/ 28° 3°/ -2°
100%
Tuesday
Mostly Cloudy
52°/ 35° 11°/ 2°
0%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thu Night-Fri
Mostly Cloudy
42°6°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. Windy and much cooler with highs in the mid 50s. Northwest winds 25 to 30 mph, diminishing to 15 to 20 mph this afternoon.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. Northeast winds 5 to 10 mph.

Murdo, SD

Today
Mostly Cloudy
52°/ 38° 11°/ 3°
40%
Sunday
Rain
42°/ 38° 6°/ 3°
100%
Monday
Rain
38°/ 30° 3°/ -1°
100%
Tuesday
Partly Cloudy
58°/ 35° 14°/ 2°
0%
Wed Night
Cloudy
40°4°
0%
Thu Night
Cloudy
40°4°
0%
Friday
Mostly Cloudy
62°17°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. Breezy and much cooler with highs in the lower 50s. Northwest winds 20 to 25 mph with gusts up to 40 mph.

Night: Partly cloudy in the evening, then mostly cloudy with a chance of rain after midnight. Lows in the upper 30s. Northeast winds 5 to 10 mph. Chance of rain 40 percent.

Kennebec, SD

Today
Mostly Cloudy
55°/ 38° 13°/ 3°
40%
Sunday
Rain
42°/ 40° 6°/ 4°
100%
Monday
Rain
42°/ 32° 6°/ 0°
100%
Tuesday
Mostly Cloudy
58°/ 38° 14°/ 3°
0%
Wednesday
Sunny
62°/ 38° 17°/ 3°
0%
Thu Night-Fri
Mostly Cloudy
45°7°
0%

Day: Mostly cloudy and breezy. Much cooler with highs in the mid 50s. Northwest winds 20 to 25 mph with gusts up to 35 mph.

Night: Mostly cloudy. A chance of rain after midnight. Lows in the upper 30s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 40 percent.

Gettysburg, SD

Today
Mostly Cloudy
52°/ 32° 11°/ 0°
0%
Sunday
Rain
45°/ 32° 7°/ 0°
90%
Monday
Snow
35°/ 28° 2°/ -2°
100%
Tuesday
Mostly Cloudy
48°/ 35° 9°/ 2°
20%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thu Night-Fri
Mostly Cloudy
40°4°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. Windy and much cooler with highs in the lower 50s. Northwest winds 25 to 30 mph, diminishing to 15 to 20 mph this afternoon.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. North winds 5 to 10 mph, becoming northeast after midnight.

Isabel, SD

Today
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Snow
35°/ 28° 2°/ -2°
100%
Tuesday
Mostly Cloudy
48°/ 32° 9°/ 0°
20%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thu Night-Fri
Mostly Cloudy
38°3°
0%

Day: Partly sunny and breezy. Much cooler with highs in the lower 50s. Northwest winds 20 to 25 mph with gusts up to 40 mph.

Night: Mostly clear in the evening, then becoming mostly cloudy. Lows in the mid 30s. North winds 5 to 10 mph, becoming northeast after midnight.

Highmore, SD

Today
Mostly Cloudy
52°/ 35° 11°/ 2°
0%
Sunday
Rain
45°/ 35° 7°/ 2°
100%
Monday
Rain
38°/ 30° 3°/ -1°
100%
Tuesday
Mostly Cloudy
52°/ 35° 11°/ 2°
0%
Wednesday
Sunny
58°/ 38° 14°/ 3°
0%
Thu Night-Fri
Mostly Cloudy
42°6°
0%

Day: Mostly cloudy and breezy. Much cooler with highs in the lower 50s. Northwest winds 20 to 25 mph with gusts up to 40 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s. North winds 5 to 10 mph.

Mobridge, SD

Today
Partly Cloudy
52°/ 32° 11°/ 0°
0%
Sunday
Rain
48°/ 32° 9°/ 0°
70%
Monday
Snow
38°/ 28° 3°/ -2°
90%
Tuesday
Mostly Cloudy
48°/ 32° 9°/ 0°
20%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°/ 38° 14°/ 3°
0%

Day: Partly sunny and breezy. Much cooler with highs in the lower 50s. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Night: Mostly clear in the evening, then becoming mostly cloudy. Lows in the lower 30s. North winds 5 to 10 mph, becoming northeast after midnight.

McIntosh, SD

Today
Sunny
52°/ 32° 11°/ 0°
0%
Sunday
Mostly Cloudy
48°/ 32° 9°/ 0°
70%
Monday
Snow
35°/ 28° 2°/ -2°
90%
Tuesday
Mostly Cloudy
45°/ 32° 7°/ 0°
20%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°/ 38° 14°/ 3°
0%

Day: Mostly sunny and breezy. Much cooler with highs in the lower 50s. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. North winds around 5 mph, becoming east after midnight.

Faulkton, SD

Today
Mostly Cloudy
52°/ 32° 11°/ 0°
0%
Sunday
Rain
48°/ 32° 9°/ 0°
90%
Monday
Rain
35°/ 28° 2°/ -2°
100%
Tue-Tue Night
Mostly Cloudy
48°9°
0%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thu Night-Fri
Mostly Cloudy
40°4°
0%

Day: Mostly cloudy and breezy. Much cooler with highs in the lower 50s. Northwest winds 15 to 25 mph with gusts up to 40 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Cooler with lows in the lower 30s. North winds 5 to 10 mph.

Fort Thompson, SD

Today
Mostly Cloudy
55°/ 38° 13°/ 3°
0%
Sunday
Rain
42°/ 40° 6°/ 4°
100%
Monday
Rain
45°/ 32° 7°/ 0°
100%
Tuesday
Rain
55°/ 38° 13°/ 3°
20%
Wednesday
Sunny
62°/ 38° 17°/ 3°
0%
Thu Night
Mostly Cloudy
45°7°
0%
Friday
Mostly Cloudy
65°18°
0%

Day: Mostly cloudy. Much cooler with highs in the mid 50s. Northwest winds 15 to 20 mph with gusts up to 30 mph.

Night: Mostly cloudy. Lows in the upper 30s. Northeast winds 5 to 10 mph.

Miller, SD

Today
Mostly Cloudy
55°/ 35° 13°/ 2°
0%
Sunday
Rain
45°/ 35° 7°/ 2°
100%
Monday
Rain
42°/ 32° 6°/ 0°
100%
Tuesday
Mostly Cloudy
52°/ 38° 11°/ 3°
0%
Wednesday
Sunny
60°/ 38° 16°/ 3°
0%
Thu Night-Fri
Mostly Cloudy
42°6°
0%

Day: Mostly cloudy and breezy. Much cooler with highs in the mid 50s. Northwest winds 15 to 25 mph with gusts up to 35 mph.

Night: Mostly cloudy. Lows in the mid 30s. North winds 5 to 10 mph.

Chamberlain, SD

Today
Rain Showers
58°/ 38° 14°/ 3°
20%
Sunday
Rain Showers
48°/ 35° 9°/ 2°
100%
Monday
Rain Showers
45°/ 32° 7°/ 0°
100%
Tuesday
Mostly Cloudy
55°/ 38° 13°/ 3°
40%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thursday
Sunny
60°/ 38° 16°/ 3°
0%
Friday
Partly Cloudy
60°16°
0%

Day: Mostly cloudy. Isolated showers early this morning. Breezy and much cooler with highs in the upper 50s. Northwest winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers after midnight. Cooler with lows in the upper 30s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 20 percent.

Ipswich, SD

Today
Mostly Cloudy
52°/ 32° 11°/ 0°
0%
Sunday
Rain
48°/ 32° 9°/ 0°
70%
Monday
Snow
38°/ 28° 3°/ -2°
100%
Tuesday
Mostly Cloudy
48°/ 35° 9°/ 2°
20%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°/ 38° 13°/ 3°
0%

Day: Mostly cloudy late this morning, then becoming partly sunny. Breezy and much cooler with highs in the lower 50s. Northwest winds 15 to 25 mph with gusts up to 40 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 30s. North winds 5 to 10 mph.

Herreid, SD

Today
Partly Cloudy
52°/ 30° 11°/ -1°
0%
Sunday
Rain
50°/ 32° 10°/ 0°
60%
Monday
Snow
38°/ 25° 3°/ -4°
90%
Tuesday
Mostly Cloudy
48°/ 32° 9°/ 0°
30%
Wednesday
Cloudy
58°14°
0%
Thursday
Cloudy
58°/ 35° 14°/ 2°
0%

Day: Partly sunny and breezy. Much cooler with highs in the lower 50s. Northwest winds 15 to 25 mph. Gusts up to 40 mph late this morning.

Night: Mostly clear in the evening, then becoming mostly cloudy. Lows around 30. Northwest winds 5 to 10 mph, becoming northeast after midnight.

Eureka, SD

Today
Partly Cloudy
52°/ 32° 11°/ 0°
0%
Sunday
Rain
48°/ 32° 9°/ 0°
60%
Monday
Snow
38°/ 28° 3°/ -2°
100%
Tuesday
Mostly Cloudy
45°/ 35° 7°/ 2°
20%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°/ 38° 13°/ 3°
0%

Day: Partly sunny and breezy. Much cooler with highs in the lower 50s. Northwest winds 20 to 25 mph with gusts up to 45 mph.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Cooler with lows in the lower 30s. North winds 5 to 10 mph.

Gregory, SD

Today
Rain Showers
55°/ 38° 13°/ 3°
50%
Sunday
Rain Showers
48°/ 35° 9°/ 2°
100%
Monday
Rain Showers
45°/ 35° 7°/ 2°
100%
Tuesday
Mostly Cloudy
55°/ 42° 13°/ 6°
40%
Wednesday
Sunny
60°/ 38° 16°/ 3°
0%
Thursday
Sunny
60°/ 42° 16°/ 6°
0%
Friday
Partly Cloudy
60°16°
0%

Day: Mostly cloudy with isolated showers. Windy and much cooler with highs in the mid 50s. Northwest winds 20 to 30 mph with gusts up to 45 mph. Chance of rain 20 percent.

Night: Mostly cloudy. Isolated showers in the evening, then a chance of showers after midnight. Cooler with lows in the upper 30s. North winds 5 to 10 mph with gusts up to 20 mph, becoming northeast after midnight. Chance of rain 50 percent.

Huron, SD

Today
Rain Showers
58°/ 38° 14°/ 3°
40%
Sunday
Rain Showers
50°/ 35° 10°/ 2°
90%
Monday
Rain Showers
45°/ 35° 7°/ 2°
90%
Tuesday
Mostly Cloudy
52°/ 38° 11°/ 3°
50%
Wednesday
Partly Cloudy
58°/ 35° 14°/ 2°
0%
Thursday
Sunny
58°/ 38° 14°/ 3°
0%
Friday
Partly Cloudy
58°14°
0%

Day: Mostly cloudy. Scattered showers early this morning. Much cooler with highs in the upper 50s. Northwest winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 40 percent.

Night: Mostly cloudy. Cooler with lows in the upper 30s. North winds 5 to 10 mph.

Redfield, SD

Today
Rain
58°/ 35° 14°/ 2°
20%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
45°/ 32° 7°/ 0°
100%
Tue-Tue Night
Rain
52°11°
20%
Wednesday
Sunny
60°/ 35° 16°/ 2°
0%
Thu Night-Fri
Mostly Cloudy
42°6°
0%

Day: Mostly cloudy. A slight chance of rain late this morning. Breezy and much cooler with highs in the upper 50s. Northwest winds 20 to 25 mph with gusts up to 40 mph. Chance of rain 20 percent.

Night: Mostly cloudy. Cooler with lows in the mid 30s. North winds 5 to 10 mph.

Names listed above may include county names.

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