Ethan Lake, SD Weather Forecast & Current Conditions

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Ethan Lake, SD Weather Maps

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Ethan Lake Weather Map
UTC Time: 10/30/2026, 19:43
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Ethan Lake, SD Regional Weather

Expires:202610302000;;983074
ASUS43 KFSD 301910
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
200 PM CDT FRI OCT 30 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>070-302000-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    CLOUDY    55  45  68 E12       30.20F TC  13           
HURON          SUNNY     60  44  55 SE10      30.19F TC  16           
CHAMBERLAIN    CLOUDY    58  46  65 SE9       30.18F TC  15           
MADISON        CLOUDY    55  50  82 SE12      30.20F TC  13           
MITCHELL       SUNNY     59  45  59 SE8       30.18F TC  15           
YANKTON        CLOUDY    56  48  74 SE8       30.19S TC  13           
$$
 
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

Ethan Lake, SD

Afternoon
Mostly Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
20%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
62°/ 45° 17°/ 7°
100%
Tuesday
Rain Showers
55°/ 42° 13°/ 6°
70%
Wednesday
Partly Cloudy
50°/ 38° 10°/ 3°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph.

Night: Cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Mitchell, SD

Afternoon
Mostly Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
60°/ 45° 16°/ 7°
100%
Tuesday
Rain Showers
52°/ 42° 11°/ 6°
60%
Wednesday
Partly Cloudy
50°/ 35° 10°/ 2°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph.

Night: Cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Parkston, SD

Afternoon
Mostly Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
30%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
62°/ 48° 17°/ 9°
100%
Tuesday
Rain Showers
55°/ 42° 13°/ 6°
60%
Wednesday
Partly Cloudy
50°/ 38° 10°/ 3°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Lows in the upper 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Salem, SD

Afternoon
Mostly Cloudy
55°/ 45° 13°/ 7°
70%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
62°/ 48° 17°/ 9°
100%
Tuesday
Rain Showers
55°/ 42° 13°/ 6°
70%
Wednesday
Partly Cloudy
50°/ 38° 10°/ 3°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph.

Night: Cloudy. A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Armour, SD

Afternoon
Mostly Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
60°/ 45° 16°/ 7°
100%
Tuesday
Rain Showers
52°/ 42° 11°/ 6°
70%
Wednesday
Partly Cloudy
50°/ 35° 10°/ 2°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph.

Night: Cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Plankinton, SD

Afternoon
Mostly Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
58°/ 45° 14°/ 7°
100%
Tuesday
Rain Showers
52°/ 40° 11°/ 4°
70%
Wednesday
Sunny
50°/ 35° 10°/ 2°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph.

Night: Cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Lows in the upper 40s. Southeast winds 10 to 15 mph. Chance of rain 50 percent.

Woonsocket, SD

Afternoon
Partly Cloudy
55°/ 45° 13°/ 7°
70%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
20%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
60°/ 45° 16°/ 7°
100%
Tuesday
Rain Showers
52°/ 40° 11°/ 4°
70%
Wednesday
Partly Cloudy
50°/ 35° 10°/ 2°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Partly sunny. Near steady temperature in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph.

Night: Showers likely. A slight chance of thunderstorms after midnight. Lows in the mid 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Parker, SD

Afternoon
Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
40%
Sunday
Rain Showers
62°/ 55° 17°/ 13°
80%
Monday
Rain Showers
62°/ 48° 17°/ 9°
100%
Tuesday
Rain Showers
55°/ 42° 13°/ 6°
60%
Wednesday
Rain Showers
52°/ 38° 11°/ 3°
30%
Thursday
Partly Cloudy
48°9°
0%

Day: Cloudy. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Lows in the upper 40s. Southeast winds around 10 mph. Chance of rain 50 percent.

Tyndall, SD

Afternoon
Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
30%
Sunday
Mostly Cloudy
62°/ 58° 17°/ 14°
90%
Monday
Rain Showers
62°/ 48° 17°/ 9°
100%
Tuesday
Rain Showers
55°/ 42° 13°/ 6°
70%
Wednesday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Cloudy. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph.

Night: Cloudy. A chance of showers, mainly in the evening. Patchy fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph. Chance of rain 50 percent.

Howard, SD

Afternoon
Mostly Cloudy
55°/ 45° 13°/ 7°
70%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
20%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
58°/ 45° 14°/ 7°
100%
Tuesday
Rain Showers
52°/ 42° 11°/ 6°
70%
Wednesday
Partly Cloudy
50°/ 35° 10°/ 2°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the mid 50s. Southeast winds 10 to 15 mph.

Night: Cloudy. A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Wagner, SD

Afternoon
Mostly Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Mostly Cloudy
62°/ 52° 17°/ 11°
0%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
90%
Monday
Rain Showers
60°/ 45° 16°/ 7°
100%
Tuesday
Rain Showers
52°/ 42° 11°/ 6°
70%
Wednesday
Sunny
52°/ 35° 11°/ 2°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Lows in the upper 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Yankton, SD

Afternoon
Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
40%
Sunday
Mostly Cloudy
62°/ 58° 17°/ 14°
80%
Monday
Rain Showers
62°/ 48° 17°/ 9°
100%
Tuesday
Rain Showers
55°/ 42° 13°/ 6°
60%
Wednesday
Rain Showers
52°/ 38° 11°/ 3°
30%
Thursday
Partly Cloudy
48°9°
0%

Day: Cloudy. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Patchy fog after midnight. Lows in the upper 40s. East winds around 10 mph. Chance of rain 50 percent.

Madison, SD

Afternoon
Mostly Cloudy
52°/ 45° 11°/ 7°
70%
Saturday
Rain Showers
58°/ 50° 14°/ 10°
40%
Sunday
Rain Showers
58°/ 52° 14°/ 11°
70%
Monday
Rain Showers
60°/ 48° 16°/ 9°
100%
Tuesday
Rain Showers
50°/ 42° 10°/ 6°
70%
Wednesday
Rain Showers
48°/ 38° 9°/ 3°
30%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the lower 50s. Southeast winds 10 to 15 mph.

Night: Cloudy. A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Wessington Springs, SD

Afternoon
Partly Cloudy
52°/ 45° 11°/ 7°
50%
Saturday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
58°/ 45° 14°/ 7°
100%
Tuesday
Rain Showers
50°/ 38° 10°/ 3°
70%
Wednesday
Sunny
48°/ 35° 9°/ 2°
0%
Thursday
Partly Cloudy
45°7°
0%

Day: Partly sunny. Near steady temperature in the lower 50s. Southeast winds around 10 mph with gusts up to 20 mph.

Night: Cloudy with a chance of showers. A slight chance of thunderstorms after midnight. Lows in the mid 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Sioux Falls, SD

Afternoon
Mostly Cloudy
55°/ 45° 13°/ 7°
70%
Saturday
Rain Showers
60°/ 52° 16°/ 11°
50%
Sunday
Rain Showers
60°/ 55° 16°/ 13°
80%
Monday
Rain Showers
62°/ 48° 17°/ 9°
100%
Tuesday
Rain Showers
52°/ 42° 11°/ 6°
70%
Wednesday
Rain Showers
52°/ 38° 11°/ 3°
40%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Near steady temperature in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph.

Night: Cloudy. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 40s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

De Smet, SD

Afternoon
Partly Cloudy
52°/ 45° 11°/ 7°
70%
Saturday
Rain Showers
60°/ 50° 16°/ 10°
20%
Sunday
Mostly Cloudy
60°/ 52° 16°/ 11°
70%
Monday
Rain Showers
55°/ 45° 13°/ 7°
100%
Tuesday
Rain Showers
48°/ 42° 9°/ 6°
70%
Wednesday
Partly Cloudy
48°/ 35° 9°/ 2°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Partly sunny. Near steady temperature in the lower 50s. Southeast winds 10 to 15 mph.

Night: Cloudy. A slight chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 40s. Southeast winds around 10 mph with gusts up to 20 mph. Chance of rain 70 percent.

Creighton, NE

Afternoon
Thunderstorms
55°/ 55° 13°/ 13°
50%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
50%
Sunday
Mostly Cloudy
62°/ 55° 17°/ 13°
90%
Monday
Thunderstorms
62°/ 48° 17°/ 9°
100%
Tuesday
Rain Showers
52°/ 42° 11°/ 6°
70%
Wednesday
Rain Showers
52°/ 38° 11°/ 3°
20%
Thursday
Partly Cloudy
50°10°
0%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Night: Cloudy with a slight chance of thunderstorms. A chance of showers, mainly in the evening. Patchy fog. Near steady temperature in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 50 percent.

Chamberlain, SD

Afternoon
Mostly Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Sunday
Mostly Cloudy
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
55°/ 45° 13°/ 7°
100%
Tuesday
Rain Showers
52°/ 38° 11°/ 3°
70%
Wednesday
Sunny
50°/ 35° 10°/ 2°
0%
Thursday
Partly Cloudy
48°9°
0%

Day: Mostly cloudy. Highs in the mid 50s. Southeast winds around 10 mph with gusts up to 20 mph.

Night: Cloudy with a chance of showers with a slight chance of thunderstorms. Lows in the upper 40s. Southeast winds 10 to 15 mph. Chance of rain 50 percent.

Canton, SD

Afternoon
Cloudy
55°/ 48° 13°/ 9°
50%
Saturday
Rain Showers
62°/ 52° 17°/ 11°
50%
Sunday
Rain Showers
62°/ 58° 17°/ 14°
80%
Monday
Rain Showers
62°/ 48° 17°/ 9°
100%
Tuesday
Rain Showers
55°/ 45° 13°/ 7°
60%
Wednesday
Rain Showers
52°/ 38° 11°/ 3°
40%
Thursday
Partly Cloudy
50°10°
0%

Day: Cloudy. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph.

Night: Cloudy with a 50 percent chance of showers. Lows in the upper 40s. Southeast winds 5 to 10 mph.

Hartington, NE

Afternoon
Thunderstorms
55°/ 52° 13°/ 11°
70%
Saturday
Thunderstorms
62°/ 52° 17°/ 11°
50%
Sunday
Rain Showers
62°/ 55° 17°/ 13°
80%
Monday
Thunderstorms
62°/ 48° 17°/ 9°
100%
Tuesday
Rain Showers
52°/ 42° 11°/ 6°
70%
Wednesday
Rain Showers
55°/ 38° 13°/ 3°
20%
Thursday
Rain Showers
50°10°
20%

Day: Cloudy with a chance of showers with a slight chance of thunderstorms. Cooler. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Night: Cloudy with a slight chance of thunderstorms. Showers likely, mainly in the evening. Patchy fog after midnight. Near steady temperature in the lower 50s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.

Names listed above may include county names.

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