Mellette County, SD Weather Forecast & Current Conditions

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Mellette County, SD Weather Maps

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Mellette County Weather Map
UTC Time: 10/23/2026, 04:10
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Mellette County, SD Regional Weather

Expires:202610230500;;028641
ASUS43 KFSD 230410
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1100 PM CDT THU OCT 22 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTIONS TO VISIBILITY.



SDZ012>016-024>037-041>051-057-063-072>074-230500-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLEAR     63  45  51 SW6       29.90F TC  17           
PIERRE         CLEAR     64  56  75 SE10      29.91F TC  18           
CUSTER         PTCLDY    49  42  77 CALM      30.04F TC   9           
ELLSWORTH AFB  CLEAR     66  46  47 S5        29.87F TC  19           
PHILIP         CLEAR     62  53  72 S10       29.88F TC  17           
PINE RIDGE     CLEAR     55  49  80 NW3       29.94F TC  13           
SPEARFISH      PTCLDY    66  45  45 SW5G12    29.91F TC  19           
WINNER         CLEAR     65  56  72 SE14      29.97S TC  18           
$$
 

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

Mellette County, SD

Tonight
Cloudy
60°16°
0%
Friday
Cloudy
85°/ 45° 29°/ 7°
20%
Saturday
Cloudy
52°/ 38° 11°/ 3°
40%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
45°/ 35° 7°/ 2°
80%
Tuesday
Rain
55°/ 38° 13°/ 3°
20%
Wednesday
Cloudy
55°/ 35° 13°/ 2°
0%
Thursday
Cloudy
55°13°
0%

Night: Partly cloudy. Lows around 60. South winds 10 to 15 mph. Gusts up to 35 mph, decreasing to 25 mph.

Murdo, SD

Tonight
Cloudy
58°14°
0%
Friday
Partly Cloudy
85°/ 45° 29°/ 7°
0%
Saturday
Partly Cloudy
52°/ 38° 11°/ 3°
0%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
45°/ 35° 7°/ 2°
90%
Tuesday
Mostly Cloudy
52°/ 38° 11°/ 3°
20%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

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

Mission, SD

Tonight
Cloudy
58°14°
0%
Friday
Cloudy
82°/ 45° 28°/ 7°
20%
Saturday
Cloudy
52°/ 35° 11°/ 2°
50%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
45°/ 35° 7°/ 2°
80%
Tuesday
Rain
52°/ 38° 11°/ 3°
20%
Wednesday
Cloudy
55°/ 35° 13°/ 2°
0%
Thursday
Cloudy
55°13°
0%

Night: Partly cloudy. Lows in the upper 50s. South winds 10 to 20 mph with gusts up to 35 mph.

Kadoka, SD

Tonight
Cloudy
58°14°
0%
Friday
Cloudy
85°/ 42° 29°/ 6°
20%
Saturday
Cloudy
52°/ 35° 11°/ 2°
20%
Sunday
Rain
48°/ 32° 9°/ 0°
90%
Monday
Rain
45°/ 32° 7°/ 0°
80%
Tuesday
Cloudy
55°/ 35° 13°/ 2°
20%
Wednesday
Cloudy
55°/ 32° 13°/ 0°
0%
Thursday
Cloudy
55°13°
0%

Night: Partly cloudy. Lows in the upper 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Kennebec, SD

Tonight
Cloudy
58°14°
0%
Friday
Sprinkles
85°/ 48° 29°/ 9°
0%
Saturday
Sprinkles
55°/ 38° 13°/ 3°
0%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
48°/ 35° 9°/ 2°
90%
Tuesday
Rain
52°/ 38° 11°/ 3°
20%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

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

Winner, SD

Tonight
Cloudy
60°16°
0%
Friday
Cloudy
82°/ 48° 28°/ 9°
0%
Saturday
Rain Showers
55°/ 38° 13°/ 3°
50%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
48°/ 35° 9°/ 2°
80%
Tuesday
Rain
52°/ 38° 11°/ 3°
20%
Wednesday
Cloudy
55°/ 35° 13°/ 2°
0%
Thursday
Cloudy
55°13°
0%

Night: Partly cloudy. Lows around 60. South winds 15 to 20 mph with gusts up to 30 mph.

Martin, SD

Tonight
Cloudy
58°14°
0%
Friday
Cloudy
82°/ 42° 28°/ 6°
30%
Saturday
Cloudy
50°/ 35° 10°/ 2°
50%
Sunday
Rain
45°/ 32° 7°/ 0°
90%
Monday
Rain
45°/ 32° 7°/ 0°
80%
Tuesday
Cloudy
55°/ 38° 13°/ 3°
20%
Wednesday
Cloudy
55°/ 35° 13°/ 2°
0%
Thursday
Cloudy
55°13°
0%

Night: Partly cloudy. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 30 mph.

Philip, SD

Tonight
Cloudy
55°13°
0%
Friday
Cloudy
85°/ 42° 29°/ 6°
20%
Saturday
Cloudy
52°/ 35° 11°/ 2°
0%
Sunday
Rain
48°/ 32° 9°/ 0°
80%
Monday
Rain
45°/ 32° 7°/ 0°
70%
Tuesday
Cloudy
52°/ 35° 11°/ 2°
30%
Wednesday
Cloudy
55°/ 32° 13°/ 0°
0%
Thursday
Cloudy
52°11°
0%

Night: Partly cloudy. Lows in the mid 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Long Valley, SD

Tonight
Cloudy
60°16°
0%
Friday
Cloudy
82°/ 42° 28°/ 6°
20%
Saturday
Cloudy
52°/ 35° 11°/ 2°
30%
Sunday
Rain
45°/ 35° 7°/ 2°
90%
Monday
Rain
45°/ 35° 7°/ 2°
70%
Tuesday
Cloudy
55°/ 38° 13°/ 3°
20%
Wednesday
Cloudy
55°/ 35° 13°/ 2°
0%
Thursday
Cloudy
55°13°
0%

Night: Partly cloudy. Lows around 60. South winds 10 to 20 mph with gusts up to 30 mph.

Valentine, NE

Tonight
Mostly Cloudy
58°14°
0%
Friday
Sunny
82°/ 48° 28°/ 9°
0%
Saturday
Rain Showers
55°/ 38° 13°/ 3°
70%
Sunday
Rain Showers
48°/ 35° 9°/ 2°
90%
Monday
Thunderstorms
48°/ 35° 9°/ 2°
80%
Tuesday
Rain Showers
55°/ 38° 13°/ 3°
20%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thursday
Sunny
58°14°
0%

Night: Breezy. Mostly cloudy. Lows in the upper 50s. South winds 15 to 25 mph.

Cody, NE

Tonight
Mostly Cloudy
58°14°
0%
Friday
Sunny
82°/ 42° 28°/ 6°
20%
Saturday
Rain Showers
52°/ 35° 11°/ 2°
70%
Sunday
Rain Showers
48°/ 35° 9°/ 2°
90%
Monday
Thunderstorms
48°/ 32° 9°/ 0°
80%
Tuesday
Mostly Cloudy
55°/ 38° 13°/ 3°
20%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thursday
Sunny
58°14°
0%

Night: Breezy. Mostly cloudy. Lows in the upper 50s. South winds 10 to 25 mph.

Fort Pierre, SD

Tonight
Cloudy
58°14°
0%
Friday
Partly Cloudy
85°/ 45° 29°/ 7°
0%
Saturday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
45°/ 35° 7°/ 2°
70%
Tuesday
Rain
52°/ 38° 11°/ 3°
20%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Night: Partly cloudy and breezy. Not as cool with lows in the upper 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph.

Pierre, SD

Tonight
Cloudy
58°14°
0%
Friday
Sprinkles
82°/ 48° 28°/ 9°
0%
Saturday
Partly Cloudy
55°/ 35° 13°/ 2°
0%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
45°/ 35° 7°/ 2°
90%
Tuesday
Rain
52°/ 38° 11°/ 3°
20%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

Night: Mostly clear this evening, then becoming partly cloudy. Not as cool with lows in the upper 50s. Southeast winds 15 to 20 mph with gusts up to 35 mph.

Fort Thompson, SD

Tonight
Cloudy
58°14°
0%
Friday
Sprinkles
80°/ 50° 27°/ 10°
0%
Saturday
Partly Cloudy
58°/ 38° 14°/ 3°
0%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
48°/ 35° 9°/ 2°
90%
Tuesday
Rain
52°/ 38° 11°/ 3°
20%
Wednesday
Cloudy
55°13°
0%
Thursday
Cloudy
55°13°
0%

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

Onida, SD

Tonight
Cloudy
58°14°
0%
Friday
Partly Cloudy
82°/ 45° 28°/ 7°
0%
Saturday
Partly Cloudy
52°/ 35° 11°/ 2°
0%
Sunday
Rain
48°/ 32° 9°/ 0°
80%
Monday
Rain
45°/ 32° 7°/ 0°
70%
Tuesday
Rain
52°/ 35° 11°/ 2°
30%
Wednesday
Cloudy
52°11°
0%
Thursday
Cloudy
52°11°
0%

Night: Partly cloudy. Not as cool with lows in the upper 50s. Southeast winds 15 to 20 mph with gusts up to 35 mph.

Springview, NE

Tonight
Cloudy
58°14°
0%
Friday
Sunny
82°/ 48° 28°/ 9°
20%
Saturday
Rain Showers
58°/ 38° 14°/ 3°
60%
Sunday
Rain Showers
48°/ 35° 9°/ 2°
90%
Monday
Rain Showers
48°/ 35° 9°/ 2°
80%
Tuesday
Rain Showers
52°/ 38° 11°/ 3°
20%
Wednesday
Sunny
58°/ 35° 14°/ 2°
0%
Thursday
Sunny
55°13°
0%

Night: Breezy. Partly cloudy. Lows in the upper 50s. South winds 10 to 25 mph.

Box Elder, SD

Tonight
Cloudy
55°13°
0%
Friday
Cloudy
85°/ 40° 29°/ 4°
20%
Saturday
Cloudy
52°/ 35° 11°/ 2°
20%
Sunday
Rain
48°/ 35° 9°/ 2°
70%
Monday
Rain
45°/ 35° 7°/ 2°
70%
Tuesday
Cloudy
55°/ 38° 13°/ 3°
20%
Wednesday
Cloudy
55°/ 32° 13°/ 0°
0%
Thursday
Cloudy
55°13°
0%

Night: Partly cloudy. Lows in the mid 50s. South winds 5 to 10 mph. Gusts up to 20 mph this evening.

Kyle, SD

Tonight
Cloudy
58°14°
0%
Friday
Cloudy
82°/ 42° 28°/ 6°
20%
Saturday
Cloudy
52°/ 35° 11°/ 2°
20%
Sunday
Rain
48°/ 35° 9°/ 2°
80%
Monday
Rain
45°/ 35° 7°/ 2°
70%
Tuesday
Cloudy
58°/ 38° 14°/ 3°
20%
Wednesday
Cloudy
58°/ 35° 14°/ 2°
0%
Thursday
Cloudy
58°14°
0%

Night: Partly cloudy. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph.

Highmore, SD

Tonight
Cloudy
58°14°
0%
Friday
Sprinkles
82°/ 48° 28°/ 9°
0%
Saturday
Partly Cloudy
55°/ 35° 13°/ 2°
0%
Sunday
Rain
48°/ 35° 9°/ 2°
90%
Monday
Rain
45°/ 32° 7°/ 0°
90%
Tuesday
Rain
50°/ 38° 10°/ 3°
20%
Wed Night-Thu
Cloudy
32°0°
0%

Night: Partly cloudy. Not as cool with lows in the upper 50s. Southeast winds 15 to 20 mph with gusts up to 35 mph.

Dupree, SD

Tonight
Cloudy
55°13°
0%
Friday
Cloudy
82°/ 40° 28°/ 4°
0%
Saturday
Cloudy
52°/ 32° 11°/ 0°
0%
Sunday
Rain
48°/ 32° 9°/ 0°
60%
Monday
Rain
45°/ 32° 7°/ 0°
60%
Tuesday
Rain
50°/ 35° 10°/ 2°
30%
Wednesday
Rain
52°/ 30° 11°/ -1°
20%
Thursday
Cloudy
52°11°
0%

Night: Partly cloudy. Lows in the mid 50s. Southeast winds 10 to 15 mph. Gusts up to 30 mph, decreasing to 20 mph.

Names listed above may include county names.

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