Mount Vernon, SD Weather Forecast & Current Conditions

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Mount Vernon, SD Weather Maps

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Mount Vernon Weather Map
UTC Time: 10/3/2026, 05:33
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Mount Vernon, SD Regional Weather

Expires:202610030600;;445421
ASUS43 KFSD 030510
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1200 AM CDT SAT OCT 03 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>070-030600-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    CLEAR     54  38  54 SE10      30.19F TC  12           
HURON          PTCLDY    56  36  47 SE14      30.09F TC  13           
CHAMBERLAIN    CLEAR     52  44  72 SE12      30.07F TC  11           
MADISON        CLEAR     52  39  62 SE8       30.17F TC  11           
MITCHELL       CLEAR     54  38  54 SE13      30.13F TC  12           
YANKTON        CLEAR     52  39  61 SE9       30.17F TC  11           
$$
 
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

Mount Vernon, SD

Overnight
Clear
52°11°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Friday
Sunny
75°24°
0%

Night: Mostly clear. Not as cool with lows in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Plankinton, SD

Overnight
Clear
55°13°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Sunny
75°24°
0%

Night: Mostly clear. Near steady temperature in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Woonsocket, SD

Overnight
Clear
52°11°
0%
Saturday
Sprinkles
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Sunny
75°24°
0%

Night: Mostly clear. Not as cool with lows in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Alexandria, SD

Overnight
Clear
52°11°
0%
Saturday
Sprinkles
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
70°/ 55° 21°/ 13°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Sunny
72°22°
0%

Night: Mostly clear. Not as cool with lows in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Armour, SD

Overnight
Clear
55°13°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Friday
Sunny
75°24°
0%

Night: Mostly clear. Near steady temperature in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Parkston, SD

Overnight
Clear
52°11°
0%
Saturday
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Sunny
65°/ 48° 18°/ 9°
0%
Monday
Sunny
68°/ 55° 20°/ 13°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Sunny
72°22°
0%

Night: Mostly clear. Lows in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Wessington Springs, SD

Overnight
Cloudy
55°13°
0%
Saturday
Rain Showers
72°/ 45° 22°/ 7°
20%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Sunny
72°22°
0%

Night: Mostly clear late this evening, then becoming partly cloudy. Near steady temperature in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Howard, SD

Overnight
Cloudy
52°11°
0%
Saturday
Sprinkles
72°/ 45° 22°/ 7°
0%
Sunday
Sunny
65°/ 48° 18°/ 9°
0%
Monday
Sunny
68°/ 55° 20°/ 13°
0%
Tuesday
Sunny
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
72°/ 55° 22°/ 13°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Sunny
72°22°
0%

Night: Mostly clear late this evening, then becoming partly cloudy. Not as cool. Near steady temperature in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Salem, SD

Overnight
Cloudy
52°11°
0%
Saturday
Sprinkles
72°/ 45° 22°/ 7°
0%
Sunday
Sunny
65°/ 48° 18°/ 9°
0%
Monday
Sunny
68°/ 55° 20°/ 13°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
72°/ 55° 22°/ 13°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Sunny
72°22°
0%

Night: Mostly clear late this evening, then becoming partly cloudy. Lows in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Chamberlain, SD

Overnight
Clear
52°11°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Friday
Sunny
75°24°
0%

Night: Mostly clear. Lows in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Wagner, SD

Overnight
Clear
52°11°
0%
Saturday
Sunny
75°/ 48° 24°/ 9°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Friday
Sunny
75°24°
0%

Night: Mostly clear. Lows in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Huron, SD

Overnight
Cloudy
52°11°
0%
Saturday
Rain Showers
72°/ 45° 22°/ 7°
20%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tuesday
Sunny
78°/ 52° 26°/ 11°
0%
Wednesday
Sunny
75°/ 52° 24°/ 11°
0%
Thursday
Sunny
72°/ 52° 22°/ 11°
0%
Friday
Sunny
72°22°
0%

Night: Mostly clear late this evening, then becoming partly cloudy. Not as cool with lows in the lower 50s. South winds 15 to 20 mph with gusts up to 30 mph.

Fort Thompson, SD

Tonight
Clear
55°13°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Partly Cloudy
68°/ 48° 20°/ 9°
0%
Monday
Sunny
75°/ 55° 24°/ 13°
0%
Tue Night
Clear
55°13°
0%
Wednesday
Cloudy
75°24°
0%
Thursday
Cloudy
75°/ 55° 24°/ 13°
0%

Night: Mostly clear. Near steady temperature in the mid 50s. South winds 15 to 20 mph with gusts up to 30 mph.

De Smet, SD

Overnight
Cloudy
52°11°
0%
Saturday
Rain Showers
68°/ 45° 20°/ 7°
20%
Sunday
Sunny
65°/ 45° 18°/ 7°
0%
Monday
Sunny
68°/ 52° 20°/ 11°
0%
Tuesday
Sunny
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
70°/ 52° 21°/ 11°
0%
Friday
Sunny
70°21°
0%

Night: Mostly clear late this evening, then becoming partly cloudy. Breezy. Near steady temperature in the lower 50s. South winds 15 to 25 mph.

Parker, SD

Overnight
Clear
52°11°
0%
Saturday
Sunny
72°/ 48° 22°/ 9°
0%
Sunday
Sunny
65°/ 48° 18°/ 9°
0%
Monday
Sunny
68°/ 55° 20°/ 13°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
72°/ 55° 22°/ 13°
0%
Thursday
Sunny
72°/ 55° 22°/ 13°
0%
Friday
Sunny
72°22°
0%

Night: Mostly clear. Lows in the lower 50s. Southeast winds around 10 mph with gusts up to 20 mph, becoming south 15 to 20 mph with gusts up to 30 mph.

Tyndall, SD

Overnight
Clear
52°11°
0%
Saturday
Sunny
72°/ 48° 22°/ 9°
0%
Sunday
Sunny
65°/ 48° 18°/ 9°
0%
Monday
Sunny
68°/ 55° 20°/ 13°
0%
Tuesday
Sunny
75°/ 55° 24°/ 13°
0%
Wednesday
Sunny
72°/ 58° 22°/ 14°
0%
Thursday
Sunny
72°/ 58° 22°/ 14°
0%
Friday
Sunny
72°22°
0%

Night: Mostly clear. Lows in the lower 50s. South winds 15 to 20 mph.

Miller, SD

Tonight
Clear
52°11°
0%
Saturday
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tue Night
Clear
55°13°
0%
Wednesday
Cloudy
72°22°
0%
Thursday
Cloudy
72°/ 52° 22°/ 11°
0%

Night: Mostly clear. Near steady temperature in the lower 50s. South winds 15 to 20 mph with gusts up to 35 mph.

Madison, SD

Overnight
Cloudy
52°11°
0%
Saturday
Sprinkles
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
65°/ 45° 18°/ 7°
0%
Monday
Sunny
65°/ 52° 18°/ 11°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
72°/ 55° 22°/ 13°
0%
Thursday
Sunny
70°/ 52° 21°/ 11°
0%
Friday
Sunny
70°21°
0%

Night: Mostly clear late this evening, then becoming partly cloudy. Breezy. Near steady temperature in the lower 50s. Southeast winds 10 to 15 mph, becoming south 15 to 25 mph.

Gregory, SD

Overnight
Clear
58°14°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Sunny
68°/ 48° 20°/ 9°
0%
Monday
Sunny
72°/ 55° 22°/ 13°
0%
Tuesday
Sunny
78°/ 55° 26°/ 13°
0%
Wednesday
Sunny
75°/ 55° 24°/ 13°
0%
Thursday
Sunny
75°/ 55° 24°/ 13°
0%
Friday
Sunny
75°24°
0%

Night: Mostly clear and breezy. Near steady temperature in the upper 50s. South winds 15 to 25 mph with gusts up to 40 mph.

Kennebec, SD

Tonight
Clear
55°13°
0%
Saturday
Sunny
75°/ 45° 24°/ 7°
0%
Sunday
Partly Cloudy
68°/ 50° 20°/ 10°
0%
Monday
Sunny
78°/ 55° 26°/ 13°
0%
Tuesday
Clear
55°13°
0%
Wednesday
Clear
55°/ 55° 13°/ 13°
0%
Thursday
Clear
75°24°
0%
Friday
Clear
75°24°
0%

Night: Mostly clear. Near steady temperature in the mid 50s. South winds 15 to 20 mph with gusts up to 35 mph.

Names listed above may include county names.

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