Gertson Slough, SD Weather Forecast & Current Conditions

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Gertson Slough, SD Weather Maps

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Gertson Slough Weather Map
UTC Time: 9/28/2026, 06:04
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Gertson Slough, SD Regional Weather

Expires:202609280700;;175473
ASUS43 KFSD 280602
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
100 AM 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>070-280700-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    CLOUDY    65  63  93 SE6       30.13S TC  18           
HURON          CLEAR     63  61  93 SE9       30.10F TC  17           
CHAMBERLAIN    CLOUDY    62  62 100 CALM      30.13R FOG     TC  17   
MADISON        CLOUDY    64  64 100 SE6       30.13S TC  18           
MITCHELL       CLOUDY    66  64  93 SE9       30.11F TC  19           
YANKTON        CLOUDY    66  66 100 E5        30.12F 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

Gertson Slough, SD

Tonight
Mostly Cloudy
58°14°
0%
Monday
Mostly Cloudy
70°/ 60° 21°/ 16°
50%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
80%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
30%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Fri Night
Clear
45°7°
0%
Saturday
Cloudy
58°14°
0%
Sunday
Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the upper 50s. East winds 5 to 10 mph.

De Smet, SD

Overnight
Mostly Cloudy
62°17°
0%
Monday
Drizzle
70°/ 60° 21°/ 16°
50%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thursday
Sunny
62°/ 45° 17°/ 7°
0%
Friday
Sunny
60°/ 48° 16°/ 9°
0%
Saturday
Sunny
62°/ 48° 17°/ 9°
0%
Sunday
Sunny
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. East winds 5 to 10 mph.

Clark, SD

Tonight
Mostly Cloudy
58°14°
0%
Monday
Mostly Cloudy
70°/ 60° 21°/ 16°
50%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
20%
Thursday
Clear
62°17°
0%
Fri Night
Clear
62°17°
0%
Sat-Sat Night
Cloudy
62°17°
0%
Sunday
Partly Cloudy
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the upper 50s. East winds 5 to 10 mph.

Brookings, SD

Overnight
Mostly Cloudy
62°17°
0%
Monday
Drizzle
68°/ 58° 20°/ 14°
50%
Tuesday
Thunderstorms
65°/ 58° 18°/ 14°
90%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Partly Cloudy
60°/ 45° 16°/ 7°
0%
Friday
Sunny
58°/ 45° 14°/ 7°
0%
Saturday
Sunny
60°/ 48° 16°/ 9°
0%
Sunday
Sunny
55°13°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph.

Watertown, SD

Tonight
Mostly Cloudy
55°13°
0%
Monday
Mostly Cloudy
70°/ 60° 21°/ 16°
50%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
20%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Fri Night
Clear
45°7°
0%
Saturday
Cloudy
58°14°
0%
Sunday
Cloudy
58°14°
0%

Night: Mostly cloudy. Patchy fog. Lows in the mid 50s. East winds 5 to 10 mph.

Clear Lake, SD

Tonight
Mostly Cloudy
55°13°
0%
Monday
Mostly Cloudy
70°/ 60° 21°/ 16°
20%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
80%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
40%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Fri Night
Clear
45°7°
0%
Saturday
Cloudy
58°14°
0%
Sunday
Cloudy
58°14°
0%

Night: Mostly cloudy. Lows in the mid 50s. Southeast winds around 5 mph.

Madison, SD

Overnight
Mostly Cloudy
62°17°
0%
Monday
Drizzle
70°/ 58° 21°/ 14°
50%
Tuesday
Thunderstorms
65°/ 58° 18°/ 14°
90%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
60°/ 48° 16°/ 9°
0%
Saturday
Sunny
60°/ 48° 16°/ 9°
0%
Sunday
Sunny
58°14°
0%

Night: Mostly cloudy. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph.

Howard, SD

Overnight
Sprinkles
62°17°
0%
Monday
Drizzle
72°/ 62° 22°/ 17°
70%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
80%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
50%
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°14°
0%

Night: Mostly cloudy. A slight chance of sprinkles late this evening. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph.

Huron, SD

Overnight
Rain Showers
60°16°
20%
Monday
Sprinkles
72°/ 62° 22°/ 17°
70%
Tuesday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
20%
Thursday
Sunny
65°/ 45° 18°/ 7°
0%
Friday
Sunny
65°/ 48° 18°/ 9°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
60°16°
0%

Night: Mostly cloudy. A slight chance of showers late this evening, then a slight chance of sprinkles. Lows around 60. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Milbank, SD

Tonight
Mostly Cloudy
55°13°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
50%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
20%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Fri Night
Clear
45°7°
0%
Saturday
Partly Cloudy
62°/ 45° 17°/ 7°
0%

Night: Mostly cloudy. Patchy fog. Lows in the mid 50s. North winds around 5 mph, becoming southeast.

Redfield, SD

Tonight
Rain Showers
58°14°
20%
Monday
Mostly Cloudy
72°/ 58° 22°/ 14°
70%
Tuesday
Rain Showers
70°/ 52° 21°/ 11°
70%
Wednesday
Rain Showers
72°/ 50° 22°/ 10°
20%
Thursday
Clear
65°18°
0%
Fri Night
Clear
65°18°
0%
Sat-Sat Night
Cloudy
65°18°
0%
Sunday
Partly Cloudy
58°14°
0%

Night: Mostly cloudy. A slight chance of showers late this evening. Lows in the upper 50s. East winds 5 to 10 mph. Chance of rain 20 percent.

Tyler, MN

Overnight
Mostly Cloudy
62°17°
0%
Monday
Drizzle
70°/ 58° 21°/ 14°
20%
Tuesday
Thunderstorms
65°/ 58° 18°/ 14°
80%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Partly Cloudy
60°/ 45° 16°/ 7°
0%
Friday
Sunny
58°/ 45° 14°/ 7°
0%
Saturday
Sunny
60°/ 48° 16°/ 9°
0%
Sunday
Sunny
55°13°
0%

Night: Mostly cloudy. Patchy fog. Near steady temperature in the lower 60s. Southeast winds around 5 mph.

Flandreau, SD

Overnight
Mostly Cloudy
58°14°
0%
Monday
Drizzle
68°/ 58° 20°/ 14°
40%
Tuesday
Thunderstorms
65°/ 58° 18°/ 14°
90%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
60°/ 45° 16°/ 7°
0%
Saturday
Sunny
60°/ 48° 16°/ 9°
0%
Sunday
Sunny
58°14°
0%

Night: Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.

Webster, SD

Tonight
Mostly Cloudy
55°13°
0%
Monday
Mostly Cloudy
70°/ 60° 21°/ 16°
90%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
20%
Thursday
Clear
62°17°
0%
Fri Night
Clear
62°17°
0%
Saturday
Cloudy
58°14°
0%
Sunday
Cloudy
58°14°
0%

Night: Mostly cloudy. Lows in the mid 50s. East winds 5 to 10 mph.

Granite Falls, MN

Tonight
Partly Cloudy
58°14°
0%
Monday
Cloudy
72°/ 62° 22°/ 17°
50%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
100%
Wednesday
Rain Showers
70°/ 55° 21°/ 13°
40%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
62°/ 45° 17°/ 7°
0%
Saturday
Sunny
62°/ 48° 17°/ 9°
0%
Sunday
Sunny
58°14°
0%

Night: Increasing clouds. Patchy dense fog after midnight. Lows in the upper 50s. Southeast winds up to 5 mph.

Woonsocket, SD

Overnight
Sprinkles
62°17°
0%
Monday
Sprinkles
72°/ 62° 22°/ 17°
70%
Tuesday
Thunderstorms
72°/ 58° 22°/ 14°
70%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Thursday
Sunny
65°/ 45° 18°/ 7°
0%
Friday
Sunny
62°/ 48° 17°/ 9°
0%
Saturday
Sunny
65°/ 48° 18°/ 9°
0%
Sunday
Sunny
60°16°
0%

Night: Mostly cloudy with a slight chance of sprinkles. Lows in the lower 60s. Southeast winds 5 to 10 mph.

Madison, MN

Tonight
Partly Cloudy
58°14°
0%
Monday
Cloudy
72°/ 62° 22°/ 17°
50%
Tuesday
Rain Showers
70°/ 55° 21°/ 13°
90%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Thursday
Partly Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
62°/ 45° 17°/ 7°
0%
Saturday
Sunny
62°/ 45° 17°/ 7°
0%
Sunday
Sunny
58°14°
0%

Night: Increasing clouds. Patchy dense fog after midnight. Near steady temperature in the upper 50s. Light winds becoming southeast up to 5 mph after midnight.

Sioux Falls, SD

Overnight
Mostly Cloudy
60°16°
0%
Monday
Drizzle
70°/ 60° 21°/ 16°
20%
Tuesday
Thunderstorms
65°/ 62° 18°/ 17°
90%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
70%
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°14°
0%

Night: Mostly cloudy. Patchy fog. Lows around 60. East winds 5 to 10 mph.

Salem, SD

Overnight
Sprinkles
62°17°
0%
Monday
Drizzle
72°/ 62° 22°/ 17°
50%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
90%
Wednesday
Rain Showers
70°/ 55° 21°/ 13°
50%
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°14°
0%

Night: Mostly cloudy. A slight chance of sprinkles late this evening. Lows in the lower 60s. East winds 5 to 10 mph.

Sisseton, SD

Tonight
Mostly Cloudy
52°11°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
70%
Tuesday
Thunderstorms
70°/ 52° 21°/ 11°
70%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
20%
Thursday
Clear
65°18°
0%
Fri Night
Clear
65°18°
0%
Saturday
Partly Cloudy
65°/ 45° 18°/ 7°
0%

Night: Mostly cloudy. Patchy fog. Lows in the lower 50s. North winds around 5 mph, becoming southeast.

Names listed above may include county names.

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