Smith Lake, SD Weather Forecast & Current Conditions

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Smith Lake Weather Map
UTC Time: 9/15/2026, 05:48
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Smith Lake, SD Regional Weather

Expires:202609150600;;472677
ASUS43 KFSD 150510
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1200 AM CDT TUE SEP 15 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>070-150600-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    PTCLDY    60  60 100 CALM      29.85R TC  16           
HURON          CLEAR     60  57  89 SW7       29.85R TC  16           
CHAMBERLAIN    CLEAR     55  50  85 NW6       29.90S TC  13           
MITCHELL       CLEAR     60  60 100 W5        29.85S TC  16           
YANKTON        PTCLDY    66  65  96 NW7       29.85R TC  19           
$$
 
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

Smith Lake, SD

Tonight
Clear
50°10°
0%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Thunderstorms
68°/ 52° 20°/ 11°
20%
Thursday
Rain Showers
75°/ 58° 24°/ 14°
70%
Fri Night
Thunderstorms
58°14°
50%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Rain Showers
70°/ 52° 21°/ 11°
20%

Night: Patchy fog late this evening. Mostly clear. Lows around 50. Southwest winds around 10 mph with gusts up to 20 mph, becoming west 15 to 20 mph with gusts up to 35 mph.

Hayti, SD

Tonight
Clear
50°10°
0%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
20%
Thursday
Rain Showers
75°/ 58° 24°/ 14°
70%
Fri Night
Thunderstorms
58°14°
50%
Saturday
Rain Showers
70°21°
20%
Sunday
Rain Showers
70°/ 50° 21°/ 10°
20%

Night: Patchy fog late this evening. Mostly clear. Lows around 50. Southwest winds around 10 mph, becoming west 15 to 20 mph with gusts up to 30 mph.

Clark, SD

Tonight
Clear
48°
0%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Thursday
Rain Showers
75°/ 58° 24°/ 14°
70%
Fri Night
Thunderstorms
58°14°
50%
Saturday
Rain Showers
70°21°
20%
Sunday
Rain Showers
70°/ 52° 21°/ 11°
20%

Night: Patchy fog late this evening. Mostly clear. Lows in the upper 40s. Southwest winds around 10 mph with gusts up to 20 mph, becoming west 15 to 20 mph with gusts up to 30 mph.

Milbank, SD

Tonight
Clear
52°11°
0%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Thunderstorms
68°/ 52° 20°/ 11°
20%
Thursday
Rain Showers
75°/ 58° 24°/ 14°
70%
Friday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Rain Showers
70°/ 52° 21°/ 11°
20%

Night: Patchy fog late this evening. Mostly clear. Breezy with lows in the lower 50s. Southwest winds around 10 mph with gusts up to 20 mph, increasing to west 20 to 25 mph with gusts up to 40 mph.

Clear Lake, SD

Tonight
Clear
52°11°
0%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Thursday
Rain Showers
72°/ 58° 22°/ 14°
70%
Fri Night
Thunderstorms
58°14°
60%
Saturday
Rain Showers
70°/ 55° 21°/ 13°
30%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
20%

Night: Patchy fog late this evening. Mostly clear. Lows in the lower 50s. Southwest winds around 10 mph with gusts up to 20 mph, becoming west 15 to 20 mph with gusts up to 30 mph.

Sisseton, SD

Tonight
Clear
52°11°
0%
Tuesday
Sunny
70°/ 45° 21°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Rain Showers
72°/ 55° 22°/ 13°
50%
Friday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Saturday
Rain Showers
70°21°
20%
Sunday
Rain Showers
70°/ 52° 21°/ 11°
20%

Night: Mostly clear and breezy. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph, increasing to west 20 to 25 mph with gusts up to 45 mph.

Webster, SD

Tonight
Clear
48°
0%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Thursday
Rain Showers
72°/ 58° 22°/ 14°
60%
Friday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Saturday
Rain Showers
68°20°
20%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
20%

Night: Patchy fog late this evening. Mostly clear. Lows in the upper 40s. Southwest winds around 10 mph with gusts up to 25 mph, becoming west 15 to 20 mph with gusts up to 35 mph.

De Smet, SD

Tonight
Clear
50°10°
0%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Thursday
Rain Showers
75°/ 58° 24°/ 14°
80%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Partly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly clear. Patchy dense fog. Lows around 50. West winds 10 to 15 mph with gusts up to 25 mph.

Brookings, SD

Tonight
Cloudy
50°10°
0%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Thursday
Rain Showers
75°/ 58° 24°/ 14°
80%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Saturday
Mostly Cloudy
72°/ 52° 22°/ 11°
30%
Sunday
Partly Cloudy
68°/ 50° 20°/ 10°
0%

Night: Partly cloudy. Patchy dense fog. Lows around 50. West winds 10 to 15 mph with gusts up to 30 mph.

Redfield, SD

Tonight
Clear
48°
0%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Thursday
Rain Showers
75°/ 58° 24°/ 14°
70%
Fri Night
Rain Showers
58°14°
50%
Saturday
Mostly Cloudy
72°/ 52° 22°/ 11°
20%

Night: Mostly clear. Lows in the upper 40s. Southwest winds 10 to 15 mph.

Madison, MN

Tonight
Clear
58°14°
0%
Tuesday
Sunny
72°/ 45° 22°/
0%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Thursday
Partly Cloudy
75°/ 58° 24°/ 14°
70%
Friday
Thunderstorms
72°/ 58° 22°/ 14°
80%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Partly Cloudy
72°/ 52° 22°/ 11°
0%

Night: Mostly clear. Patchy fog after midnight. Near steady temperature in the upper 50s. West winds 10 to 15 mph with gusts to around 30 mph.

Ortonville, MN

Tonight
Clear
52°11°
0%
Tuesday
Sunny
70°/ 45° 21°/
0%
Wednesday
Thunderstorms
68°/ 52° 20°/ 11°
20%
Thursday
Rain Showers
75°/ 55° 24°/ 13°
60%
Friday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Saturday
Rain Showers
72°22°
20%
Sunday
Rain Showers
72°/ 50° 22°/ 10°
20%

Night: Patchy fog late this evening. Mostly clear. Lows in the lower 50s. Southwest winds around 10 mph, becoming west 15 to 20 mph with gusts up to 30 mph.

Britton, SD

Tonight
Clear
48°
0%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Thursday
Rain Showers
72°/ 58° 22°/ 14°
50%
Friday
Thunderstorms
70°/ 55° 21°/ 13°
60%
Saturday
Rain Showers
68°20°
20%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
20%

Night: Mostly clear and breezy. Lows in the upper 40s. Southwest winds 10 to 15 mph with gusts up to 30 mph, becoming west 15 to 25 mph with gusts up to 40 mph.

Aberdeen, SD

Tonight
Clear
48°
0%
Tuesday
Sunny
70°/ 45° 21°/
0%
Wednesday
Rain Showers
68°/ 48° 20°/
40%
Thursday
Rain Showers
75°/ 55° 24°/ 13°
50%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
60%
Saturday
Rain Showers
72°22°
20%
Sunday
Rain Showers
72°/ 48° 22°/
20%

Night: Mostly clear. Lows in the upper 40s. Southwest winds 15 to 20 mph. Gusts up to 35 mph.

Wheaton, MN

Tonight
Clear
50°10°
0%
Tuesday
Sunny
70°/ 45° 21°/
0%
Wednesday
Thunderstorms
68°/ 50° 20°/ 10°
20%
Thursday
Rain Showers
75°/ 55° 24°/ 13°
50%
Friday
Thunderstorms
72°/ 58° 22°/ 14°
60%
Saturday
Rain Showers
72°22°
20%
Sunday
Rain Showers
72°/ 50° 22°/ 10°
20%

Night: Mostly clear. Lows around 50. Southwest winds around 10 mph, becoming west 15 to 20 mph with gusts up to 35 mph.

Granite Falls, MN

Tonight
Clear
52°11°
0%
Tuesday
Sunny
72°/ 48° 22°/
0%
Wednesday
Sunny
72°/ 55° 22°/ 13°
0%
Thursday
Partly Cloudy
75°/ 58° 24°/ 14°
70%
Friday
Thunderstorms
75°/ 60° 24°/ 16°
80%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
30%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
30%

Night: Mostly clear. Patchy fog after midnight. Lows in the lower 50s. West winds 5 to 15 mph with gusts to around 30 mph.

Tyler, MN

Tonight
Cloudy
52°11°
0%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Thursday
Rain Showers
72°/ 58° 22°/ 14°
70%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
80%
Saturday
Mostly Cloudy
70°/ 55° 21°/ 13°
30%
Sunday
Partly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Partly cloudy. Patchy dense fog. Lows in the lower 50s. West winds 10 to 15 mph with gusts up to 30 mph.

Huron, SD

Tonight
Clear
50°10°
0%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Thursday
Rain Showers
75°/ 60° 24°/ 16°
80%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Partly Cloudy
70°/ 52° 21°/ 11°
0%

Night: Mostly clear. Lows around 50. West winds 10 to 15 mph with gusts up to 25 mph.

Madison, SD

Tonight
Cloudy
50°10°
0%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Thursday
Rain Showers
75°/ 60° 24°/ 16°
80%
Friday
Thunderstorms
78°/ 60° 26°/ 16°
70%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
30%
Sunday
Partly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Partly cloudy. Patchy dense fog. Lows around 50. West winds 10 to 15 mph with gusts up to 25 mph.

Howard, SD

Tonight
Cloudy
50°10°
0%
Tuesday
Sunny
70°/ 50° 21°/ 10°
0%
Wednesday
Rain Showers
70°/ 55° 21°/ 13°
30%
Thursday
Rain Showers
75°/ 60° 24°/ 16°
80%
Friday
Thunderstorms
78°/ 60° 26°/ 16°
70%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
30%
Sunday
Partly Cloudy
70°/ 52° 21°/ 11°
0%

Night: Partly cloudy. Patchy dense fog. Lows around 50. West winds 10 to 15 mph with gusts up to 25 mph.

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