Loomis, SD Weather Forecast & Current Conditions

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Loomis Weather Map
UTC Time: 9/17/2026, 00:15
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Loomis, SD Regional Weather

Expires:202609170100;;573079
ASUS43 KFSD 170010
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
700 PM CDT WED SEP 16 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>070-170100-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
SIOUX FALLS    CLOUDY    64  60  87 S10       30.18S TC  18           
HURON          CLOUDY    64  58  80 E5        30.15S TC  18           
CHAMBERLAIN    CLOUDY    64  57  80 SE6       30.18R TC  18           
MADISON        CLOUDY    66  57  72 S7        30.18R TC  19           
MITCHELL       CLOUDY    67  57  70 S8        30.15F TC  19           
YANKTON        CLOUDY    63  62  97 SE8       30.18S TC  17           
$$
 
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

Loomis, SD

Tonight
Mostly Cloudy
58°14°
0%
Thursday
Mostly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
82°/ 58° 28°/ 14°
50%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
40%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
72°22°
0%

Night: Mostly cloudy. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Woonsocket, SD

Tonight
Mostly Cloudy
55°13°
0%
Thursday
Mostly Cloudy
78°/ 62° 26°/ 17°
100%
Friday
Thunderstorms
78°/ 58° 26°/ 14°
50%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
30%
Wednesday
Partly Cloudy
72°22°
0%

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

Alexandria, SD

Tonight
Mostly Cloudy
58°14°
0%
Thursday
Mostly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
82°/ 60° 28°/ 16°
50%
Saturday
Cloudy
68°/ 58° 20°/ 14°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
68°/ 52° 20°/ 11°
40%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Wednesday
Partly Cloudy
72°22°
0%

Night: Mostly cloudy. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Plankinton, SD

Tonight
Mostly Cloudy
55°13°
0%
Thursday
Rain Showers
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
78°/ 58° 26°/ 14°
50%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Tuesday
Partly Cloudy
70°/ 55° 21°/ 13°
30%
Wednesday
Sunny
72°22°
0%

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

Howard, SD

Tonight
Sprinkles
58°14°
0%
Thursday
Mostly Cloudy
78°/ 62° 26°/ 17°
100%
Friday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Cloudy
65°/ 52° 18°/ 11°
0%
Tuesday
Sunny
70°/ 55° 21°/ 13°
0%
Wednesday
Partly Cloudy
72°22°
0%

Night: Mostly cloudy. A chance of sprinkles this evening. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Parkston, SD

Tonight
Mostly Cloudy
58°14°
0%
Thursday
Mostly Cloudy
75°/ 65° 24°/ 18°
90%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Cloudy
68°/ 58° 20°/ 14°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
40%
Monday
Rain Showers
65°/ 55° 18°/ 13°
40%
Tuesday
Partly Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Rain Showers
72°22°
30%

Night: Mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Wessington Springs, SD

Tonight
Mostly Cloudy
55°13°
0%
Thursday
Mostly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
50%
Saturday
Cloudy
65°/ 55° 18°/ 13°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
65°/ 52° 18°/ 11°
40%
Tuesday
Partly Cloudy
70°/ 55° 21°/ 13°
30%
Wednesday
Partly Cloudy
72°22°
0%

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

Salem, SD

Tonight
Sprinkles
58°14°
0%
Thursday
Mostly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
82°/ 60° 28°/ 16°
70%
Saturday
Cloudy
68°/ 58° 20°/ 14°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Partly Cloudy
72°22°
0%

Night: Mostly cloudy. A chance of sprinkles this evening. Patchy fog after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Armour, SD

Tonight
Mostly Cloudy
58°14°
0%
Thursday
Rain Showers
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
82°/ 58° 28°/ 14°
40%
Saturday
Cloudy
68°/ 58° 20°/ 14°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
40%
Monday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
0%
Wednesday
Sunny
75°24°
0%

Night: Mostly cloudy. Lows in the upper 50s. Southeast winds 5 to 10 mph.

De Smet, SD

Tonight
Sprinkles
55°13°
0%
Thursday
Partly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
90%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
50%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Sunny
70°/ 52° 21°/ 11°
0%
Wednesday
Partly Cloudy
72°22°
0%

Night: Mostly cloudy. A chance of sprinkles this evening. Lows in the mid 50s. Southeast winds around 5 mph.

Huron, SD

Tonight
Mostly Cloudy
55°13°
0%
Thursday
Partly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Cloudy
65°/ 52° 18°/ 11°
0%
Tuesday
Sunny
72°/ 52° 22°/ 11°
30%
Wednesday
Sunny
72°22°
0%

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

Madison, SD

Tonight
Rain Showers
58°14°
20%
Thursday
Mostly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
78°/ 58° 26°/ 14°
70%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Partly Cloudy
72°22°
0%

Night: Mostly cloudy. A chance of showers this evening. Patchy fog after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph. Chance of rain 20 percent.

Parker, SD

Tonight
Sprinkles
60°16°
0%
Thursday
Mostly Cloudy
75°/ 65° 24°/ 18°
90%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Saturday
Cloudy
70°/ 58° 21°/ 14°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
40%
Monday
Rain Showers
65°/ 55° 18°/ 13°
40%
Tuesday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Sunny
72°22°
0%

Night: Mostly cloudy. A chance of sprinkles this evening. Patchy fog after midnight. Lows around 60. Southeast winds 5 to 10 mph, becoming east after midnight.

Chamberlain, SD

Tonight
Mostly Cloudy
55°13°
0%
Thursday
Rain Showers
72°/ 62° 22°/ 17°
100%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
40%
Saturday
Cloudy
65°/ 55° 18°/ 13°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Tuesday
Sunny
70°/ 55° 21°/ 13°
30%
Wednesday
Sunny
72°22°
0%

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

Wagner, SD

Tonight
Mostly Cloudy
58°14°
0%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
100%
Friday
Thunderstorms
82°/ 60° 28°/ 16°
40%
Saturday
Cloudy
68°/ 58° 20°/ 14°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Tuesday
Sunny
72°/ 55° 22°/ 13°
30%
Wednesday
Sunny
75°24°
0%

Night: Mostly cloudy. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Fort Thompson, SD

Tonight
Mostly Cloudy
55°13°
0%
Thursday
Mostly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
75°/ 55° 24°/ 13°
50%
Saturday
Cloudy
65°/ 55° 18°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
68°/ 52° 20°/ 11°
30%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
30%
Wednesday
Rain Showers
72°22°
20%

Night: Mostly cloudy. Lows in the mid 50s. Southeast winds 10 to 15 mph, becoming east around 5 mph after midnight.

Tyndall, SD

Tonight
Mostly Cloudy
62°17°
0%
Thursday
Thunderstorms
75°/ 65° 24°/ 18°
70%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
40%
Saturday
Cloudy
70°/ 58° 21°/ 14°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
40%
Monday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Tuesday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Wednesday
Rain Showers
72°22°
30%

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

Miller, SD

Tonight
Mostly Cloudy
52°11°
0%
Thursday
Partly Cloudy
75°/ 58° 24°/ 14°
100%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Saturday
Cloudy
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Mon-Mon Night
Rain Showers
65°18°
20%
Tuesday
Partly Cloudy
72°/ 52° 22°/ 11°
30%
Wednesday
Rain Showers
72°22°
20%

Night: Mostly cloudy. Lows in the lower 50s. Southeast winds 5 to 10 mph.

Sioux Falls, SD

Tonight
Rain Showers
58°14°
20%
Thursday
Mostly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Thunderstorms
82°/ 62° 28°/ 17°
70%
Saturday
Cloudy
68°/ 58° 20°/ 14°
0%
Sunday
Rain Showers
65°/ 55° 18°/ 13°
50%
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Sunny
72°22°
0%

Night: Mostly cloudy. A slight chance of showers this evening. Patchy fog after midnight. Not as cool with lows in the upper 50s. Southeast winds 5 to 10 mph, becoming southwest after midnight. Chance of rain 20 percent.

Yankton, SD

Tonight
Mostly Cloudy
62°17°
0%
Thursday
Rain Showers
75°/ 65° 24°/ 18°
90%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
50%
Saturday
Cloudy
70°/ 58° 21°/ 14°
0%
Sunday
Rain Showers
65°/ 58° 18°/ 14°
40%
Monday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Tuesday
Partly Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Rain Showers
72°22°
30%

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

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