Lake County, SD Weather Forecast & Current Conditions

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Lake County, SD Weather Maps

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Lake County Weather Map
UTC Time: 10/19/2026, 14:54
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Lake County, SD Regional Weather

Expires:202610191500;;366666
ASUS43 KFSD 191410
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
900 AM CDT MON OCT 19 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>070-191500-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    PTSUNNY   39  37  92 N5        30.27R TC   4           
HURON          SUNNY     36  33  89 NW5       30.26R TC   2           
CHAMBERLAIN    CLEAR     41  36  81 E3        30.25R TC   5           
MITCHELL       SUNNY     39  36  89 SE3       30.25R TC   4           
YANKTON        MOSUNNY   41  40  96 E3        30.25R TC   5           
$$
 
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

Lake County, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
40%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
60°16°
0%

Day: Sunny. Highs in the mid 60s. Northeast winds 5 to 10 mph, becoming southeast this afternoon.

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

Flandreau, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
40%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
62°17°
0%

Day: Mostly sunny. Highs in the mid 60s. East winds 5 to 10 mph, becoming southeast this afternoon.

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

Sioux Falls, SD

Today
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
72°/ 58° 22°/ 14°
0%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
40%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
62°17°
0%

Day: Partly sunny this morning, then clearing. Highs in the mid 60s. East winds 5 to 10 mph, becoming southeast with gusts up to 20 mph this afternoon.

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

Brookings, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
40%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
58°14°
0%

Day: Sunny. Highs in the mid 60s. Northeast winds 5 to 10 mph, becoming east this afternoon.

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

De Smet, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thursday
Sunny
72°/ 58° 22°/ 14°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
40%
Saturday
Rain Showers
62°/ 45° 17°/ 7°
50%
Sunday
Sunny
60°16°
0%

Day: Sunny. Highs in the mid 60s. East winds 10 to 15 mph.

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

Howard, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
62°17°
0%

Day: Sunny. Highs in the mid 60s. East winds 10 to 15 mph.

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

Salem, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
72°/ 58° 22°/ 14°
0%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
62°17°
0%

Day: Mostly sunny. Highs in the mid 60s. East winds 5 to 10 mph.

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

Alexandria, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
70°/ 48° 21°/ 9°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
62°17°
0%

Day: Mostly sunny. Highs in the mid 60s. East winds 5 to 10 mph.

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

Parker, SD

Today
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Mostly Cloudy
75°/ 58° 24°/ 14°
40%
Saturday
Rain Showers
68°/ 48° 20°/ 9°
50%
Sunday
Sunny
62°17°
0%

Day: Partly sunny this morning, then clearing. Highs in the mid 60s. East winds 5 to 10 mph.

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

Pipestone, MN

Today
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
60°16°
0%

Day: Partly sunny this morning, then clearing. Highs in the mid 60s. Northeast winds around 5 mph, becoming southeast this afternoon.

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

Woonsocket, SD

Today
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
70°/ 48° 21°/ 9°
0%
Wednesday
Sunny
75°/ 50° 24°/ 10°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Rain Showers
65°/ 42° 18°/ 6°
40%
Sunday
Sunny
62°17°
0%

Day: Sunny. Highs in the upper 60s. East winds 5 to 10 mph, becoming southeast with gusts up to 20 mph this afternoon.

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

Hayti, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thu Night
Mostly Cloudy
55°13°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sat-Sat Night
Rain Showers
65°18°
40%
Sunday
Rain Showers
58°14°
20%

Day: Mostly sunny. Highs in the mid 60s. East winds 5 to 10 mph with gusts up to 25 mph.

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

Clear Lake, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thu Night
Mostly Cloudy
55°13°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
30%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Rain Showers
58°14°
20%

Day: Mostly sunny. Highs in the mid 60s. Northeast winds 5 to 10 mph, becoming east this afternoon. Gusts up to 25 mph.

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

Canton, SD

Today
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 50° 20°/ 10°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Partly Cloudy
75°/ 58° 24°/ 14°
40%
Saturday
Rain Showers
68°/ 48° 20°/ 9°
50%
Sunday
Sunny
62°17°
0%

Day: Partly sunny this morning, then clearing. Highs in the mid 60s. Southeast winds 5 to 10 mph.

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

Tyler, MN

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
58°14°
0%

Day: Sunny. Highs in the mid 60s. North winds 5 to 10 mph, becoming east this afternoon.

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

Rock Rapids, IA

Today
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Partly Cloudy
75°/ 58° 24°/ 14°
40%
Saturday
Rain Showers
68°/ 48° 20°/ 9°
50%
Sunday
Sunny
62°17°
0%

Day: Partly sunny this morning, then clearing. Highs in the mid 60s. Southeast winds 5 to 10 mph.

Night: Clear. Lows in the mid 40s. Southeast winds around 5 mph.

Luverne, MN

Today
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Friday
Mostly Cloudy
72°/ 58° 22°/ 14°
40%
Saturday
Rain Showers
68°/ 48° 20°/ 9°
50%
Sunday
Sunny
62°17°
0%

Day: Partly sunny this morning, then clearing. Highs in the mid 60s. East winds 5 to 10 mph.

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

Parkston, SD

Today
Partly Cloudy
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 50° 20°/ 10°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
50%
Sunday
Sunny
62°17°
0%

Day: Partly sunny this morning, then clearing. Highs in the mid 60s. East winds 5 to 10 mph.

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

Mitchell, SD

Today
Sunny
68°/ 45° 20°/ 7°
0%
Tuesday
Sunny
72°/ 48° 22°/ 9°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
75°/ 58° 24°/ 14°
0%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
40%
Sunday
Sunny
62°17°
0%

Day: Sunny. Highs in the upper 60s. East winds 5 to 10 mph.

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

Clark, SD

Today
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
68°/ 48° 20°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thu Night
Mostly Cloudy
58°14°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
30%
Saturday
Rain Showers
62°/ 42° 17°/ 6°
40%
Sunday
Partly Cloudy
58°14°
0%

Day: Sunny. Highs in the mid 60s. East winds 10 to 15 mph with gusts up to 30 mph.

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

Names listed above may include county names.

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