Lake Marsh, SD Weather Forecast & Current Conditions

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Lake Marsh Weather Map
UTC Time: 9/29/2026, 00:22
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Lake Marsh, SD Regional Weather

Expires:202609290100;;219089
ASUS43 KFSD 290010
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
700 PM CDT MON SEP 28 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>070-290100-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    MOCLDY    67  60  78 S12       29.94F TC  19           
HURON          CLOUDY    70  63  78 S14G23    29.87S TC  21           
CHAMBERLAIN    CLOUDY    69  64  84 SE15      29.86F TC  21           
MADISON        CLOUDY    64  64 100 S13G20    29.93F TC  18           
MITCHELL       MOCLDY    70  62  76 SE14G22   29.89F TC  21           
YANKTON        MOCLDY    69  62  78 SE8       29.93S TC  21           
$$
 
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 Marsh, SD

Tonight
Thunderstorms
60°16°
50%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Wednesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Cloudy
62°17°
0%
Saturday
Cloudy
62°17°
0%
Sat Night
Clear
45°7°
0%
Tuesday
Clear
45°7°
0%
Monday
Clear
45°7°
0%

Night: Cloudy. A chance of thunderstorms after midnight. Lows around 60. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Watertown, SD

Tonight
Thunderstorms
62°17°
50%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Fri-Fri Night
Cloudy
62°17°
0%
Saturday
Rain Showers
62°/ 45° 17°/ 7°
20%
Sun Night
Clear
45°7°
0%
Monday
Partly Cloudy
58°14°
0%

Night: Cloudy. A slight chance of showers this evening, then a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

De Smet, SD

Tonight
Thunderstorms
60°16°
50%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
100%
Wednesday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
62°/ 45° 17°/ 7°
0%
Sunday
Sunny
58°/ 42° 14°/ 6°
0%
Monday
Sunny
58°14°
0%

Night: Cloudy. A chance of sprinkles this evening, then a chance of showers and thunderstorms after midnight. Lows around 60. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Clark, SD

Tonight
Thunderstorms
62°17°
90%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
90%
Wednesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Fri-Fri Night
Cloudy
62°17°
0%
Saturday
Rain Showers
62°/ 45° 17°/ 7°
20%
Sun Night
Clear
45°7°
0%
Monday
Partly Cloudy
58°14°
0%

Night: Cloudy. A slight chance of thunderstorms this evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Brookings, SD

Tonight
Thunderstorms
58°14°
40%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
100%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
20%
Thursday
Partly Cloudy
60°/ 45° 16°/ 7°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
62°/ 45° 17°/ 7°
0%
Sunday
Sunny
55°/ 42° 13°/ 6°
0%
Monday
Sunny
58°14°
0%

Night: Cloudy. A chance of sprinkles this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Clear Lake, SD

Tonight
Thunderstorms
60°16°
20%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Wednesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Partly Cloudy
60°/ 45° 16°/ 7°
0%
Fri Night-Sat
Cloudy
48°9°
0%
Sat Night-Sun
Clear
45°7°
0%
Sun Night-Mon
Clear
42°6°
0%

Night: Cloudy. A slight chance of thunderstorms after midnight. Lows around 60. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.

Milbank, SD

Tonight
Thunderstorms
62°17°
50%
Tuesday
Thunderstorms
70°/ 55° 21°/ 13°
90%
Wednesday
Mostly Cloudy
75°/ 52° 24°/ 11°
0%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Fri-Fri Night
Cloudy
62°17°
0%
Saturday
Rain Showers
62°/ 45° 17°/ 7°
20%
Sunday
Partly Cloudy
58°/ 42° 14°/ 6°
0%
Monday
Partly Cloudy
58°14°
0%

Night: Cloudy. A chance of thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Madison, SD

Tonight
Thunderstorms
58°14°
40%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
100%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
20%
Thursday
Sunny
62°/ 45° 17°/ 7°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
62°/ 48° 17°/ 9°
0%
Sunday
Sunny
58°/ 42° 14°/ 6°
0%
Monday
Sunny
58°14°
0%

Night: Cloudy. A chance of sprinkles this evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Redfield, SD

Tonight
Thunderstorms
62°17°
90%
Tuesday
Thunderstorms
72°/ 55° 22°/ 13°
50%
Wednesday
Mostly Cloudy
75°/ 48° 24°/ 9°
0%
Thu-Thu Night
Clear
65°18°
0%
Fri-Fri Night
Cloudy
65°18°
0%
Saturday
Rain Showers
65°18°
20%
Sat Night
Clear
45°7°
0%
Tuesday
Clear
45°7°
0%
Monday
Clear
45°7°
0%

Night: Cloudy. A chance of showers with a slight chance of thunderstorms this evening, then showers with a chance of thunderstorms after midnight. Breezy with lows in the lower 60s. South winds 15 to 25 mph. Chance of rain 90 percent.

Huron, SD

Tonight
Thunderstorms
62°17°
70%
Tuesday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Wednesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
62°/ 45° 17°/ 7°
0%
Friday
Sunny
65°/ 48° 18°/ 9°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
58°/ 45° 14°/ 7°
0%
Monday
Sunny
62°17°
0%

Night: Cloudy. A chance of sprinkles this evening, then showers likely with a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Howard, SD

Tonight
Thunderstorms
62°17°
50%
Tuesday
Thunderstorms
70°/ 58° 21°/ 14°
100%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
20%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
58°/ 42° 14°/ 6°
0%
Monday
Sunny
60°16°
0%

Night: Cloudy. A chance of sprinkles this evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Tyler, MN

Tonight
Sprinkles
58°14°
0%
Tuesday
Thunderstorms
65°/ 58° 18°/ 14°
100%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
20%
Thursday
Sunny
58°/ 45° 14°/ 7°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
62°/ 48° 17°/ 9°
0%
Sunday
Sunny
55°/ 42° 13°/ 6°
0%
Monday
Sunny
58°14°
0%

Night: Mostly cloudy. A chance of sprinkles this evening. Lows in the upper 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Webster, SD

Tonight
Thunderstorms
62°17°
90%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Mostly Cloudy
72°/ 50° 22°/ 10°
0%
Thu-Thu Night
Clear
62°17°
0%
Fri-Fri Night
Cloudy
62°17°
0%
Saturday
Rain Showers
62°/ 45° 17°/ 7°
20%
Sun Night
Clear
45°7°
0%
Monday
Partly Cloudy
58°14°
0%

Night: Cloudy. A slight chance of thunderstorms this evening, then showers with a chance of thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Sisseton, SD

Tonight
Thunderstorms
60°16°
90%
Tuesday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Wednesday
Partly Cloudy
75°/ 50° 24°/ 10°
0%
Thu-Thu Night
Clear
65°18°
0%
Fri-Fri Night
Cloudy
65°18°
0%
Saturday
Rain Showers
65°/ 45° 18°/ 7°
30%
Sunday
Partly Cloudy
58°/ 40° 14°/ 4°
0%
Monday
Partly Cloudy
62°17°
0%

Night: Cloudy. A slight chance of showers this evening, then showers with a chance of thunderstorms after midnight. Lows around 60. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Madison, MN

Tonight
Thunderstorms
62°17°
50%
Tuesday
Thunderstorms
70°/ 58° 21°/ 14°
90%
Wednesday
Mostly Cloudy
75°/ 52° 24°/ 11°
0%
Thursday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Friday
Sunny
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
58°/ 42° 14°/ 6°
0%
Monday
Sunny
60°16°
0%

Night: Cloudy. Chance of showers and slight chance of thunderstorms late in the night. Lows in the lower 60s. South winds 5 to 15 mph. Chance of precipitation 50 percent.

Granite Falls, MN

Tonight
Thunderstorms
62°17°
20%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Wednesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
62°/ 45° 17°/ 7°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
58°/ 42° 14°/ 6°
0%
Monday
Sunny
60°16°
0%

Night: Mostly cloudy. A 20 percent chance of thunderstorms late in the night. Lows in the lower 60s. South winds 5 to 15 mph with gusts to around 30 mph.

Flandreau, SD

Tonight
Thunderstorms
58°14°
20%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
100%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
40%
Thursday
Partly Cloudy
62°/ 42° 17°/ 6°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
62°/ 48° 17°/ 9°
0%
Sunday
Sunny
58°/ 42° 14°/ 6°
0%
Monday
Sunny
58°14°
0%

Night: Mostly cloudy. A chance of sprinkles this evening, then a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.

Woonsocket, SD

Tonight
Thunderstorms
62°17°
50%
Tuesday
Thunderstorms
72°/ 58° 22°/ 14°
90%
Wednesday
Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
65°/ 48° 18°/ 9°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
58°/ 45° 14°/ 7°
0%
Monday
Sunny
62°17°
0%

Night: Cloudy. A chance of sprinkles this evening, then a chance of showers and thunderstorms after midnight. Lows in the lower 60s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Marshall, MN

Tonight
Sprinkles
60°16°
0%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
100%
Wednesday
Rain Showers
72°/ 55° 22°/ 13°
20%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
62°/ 48° 17°/ 9°
0%
Sunday
Sunny
58°/ 42° 14°/ 6°
0%
Monday
Sunny
58°14°
0%

Night: Mostly cloudy. A chance of sprinkles this evening. Lows around 60. South winds 10 to 15 mph with gusts up to 25 mph.

Sioux Falls, SD

Tonight
Sprinkles
60°16°
0%
Tuesday
Thunderstorms
68°/ 60° 20°/ 16°
100%
Wednesday
Rain Showers
70°/ 55° 21°/ 13°
50%
Thursday
Mostly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
62°/ 48° 17°/ 9°
0%
Sunday
Sunny
58°/ 42° 14°/ 6°
0%
Monday
Sunny
58°14°
0%

Night: Mostly cloudy. A chance of sprinkles this evening. Lows around 60. South winds 10 to 15 mph with gusts up to 25 mph.

Names listed above may include county names.

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