Letcher, SD Weather Forecast & Current Conditions

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Letcher Weather Map
UTC Time: 9/26/2026, 23:35
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Letcher, SD Regional Weather

Expires:202609270000;;109247
ASUS43 KFSD 262310
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
600 PM CDT SAT SEP 26 2026

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



SDZ038>040-050-052>070-270000-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      CLOUDY    64  63  96 S12       29.95R TC  18           
CHAMBERLAIN    MOSUNNY   73  66  80 SE9       29.91R TC  23           
HURON          PTSUNNY   70  65  84 SE8       29.89R TC  21           
MITCHELL       CLOUDY    69  64  84 SE12      29.90S TC  21           
SIOUX FALLS    CLOUDY    65  63  93 SE8       29.94R TC  18           
WINNER         SUNNY     76  63  64 SE10      29.87S TC  24           
YANKTON        CLOUDY    66  66 100 E7        29.92S FOG     TC  19   
$$


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

Letcher, SD

Tonight
Rain Showers
58°14°
20%
Sunday
Mostly Cloudy
75°/ 58° 24°/ 14°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
90%
Tuesday
Rain Showers
70°/ 55° 21°/ 13°
60%
Wednesday
Sunny
72°/ 55° 22°/ 13°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Partly Cloudy
62°17°
0%

Night: Mostly cloudy. A slight 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.

Mitchell, SD

Tonight
Mostly Cloudy
60°16°
0%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
80%
Tuesday
Rain Showers
70°/ 55° 21°/ 13°
70%
Wednesday
Sunny
72°/ 55° 22°/ 13°
0%
Thursday
Sunny
68°/ 50° 20°/ 10°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Sunny
62°17°
0%

Night: Mostly cloudy. Patchy fog after midnight. Lows around 60. Southeast winds 5 to 10 mph.

Alexandria, SD

Tonight
Rain Showers
60°16°
20%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
80%
Tuesday
Thunderstorms
70°/ 55° 21°/ 13°
70%
Wednesday
Partly Cloudy
72°/ 55° 22°/ 13°
0%
Thursday
Partly Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Sunny
62°17°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Patchy fog after midnight. Lows around 60. Southeast winds 5 to 10 mph.

Wessington Springs, SD

Tonight
Mostly Cloudy
58°14°
0%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
20%
Monday
Mostly Cloudy
70°/ 58° 21°/ 14°
90%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Wednesday
Sunny
70°/ 52° 21°/ 11°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Sunny
62°17°
0%

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

Howard, SD

Tonight
Rain Showers
60°16°
20%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
90%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Sunny
70°/ 52° 21°/ 11°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
65°/ 48° 18°/ 9°
0%
Saturday
Partly Cloudy
62°17°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Patchy fog after midnight. Lows around 60. Southeast winds 5 to 10 mph.

Plankinton, SD

Tonight
Mostly Cloudy
58°14°
0%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
90%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
60%
Wednesday
Sunny
70°/ 55° 21°/ 13°
0%
Thursday
Sunny
65°/ 50° 18°/ 10°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Sunny
62°17°
0%

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

Salem, SD

Tonight
Rain Showers
60°16°
20%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
80%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Thursday
Partly Cloudy
68°/ 50° 20°/ 10°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Partly Cloudy
62°17°
0%

Night: Cloudy with a 20 percent chance of showers. Patchy fog this evening. Areas of fog after midnight. Lows around 60. Southeast winds 5 to 10 mph.

Parkston, SD

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

Night: Mostly cloudy with a 20 percent chance of showers. Areas of fog after midnight. Lows in the lower 60s. Southeast winds 5 to 10 mph, becoming east after midnight.

Huron, SD

Tonight
Mostly Cloudy
58°14°
0%
Sunday
Cloudy
75°/ 58° 24°/ 14°
20%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
90%
Tuesday
Rain Showers
70°/ 52° 21°/ 11°
50%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
65°/ 48° 18°/ 9°
0%
Saturday
Partly Cloudy
62°17°
0%

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

De Smet, SD

Tonight
Rain Showers
58°14°
20%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
68°/ 58° 20°/ 14°
90%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Sunny
68°/ 52° 20°/ 11°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 48° 18°/ 9°
0%
Saturday
Partly Cloudy
62°17°
0%

Night: Cloudy with a 20 percent chance of showers. Patchy fog. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Armour, SD

Tonight
Mostly Cloudy
60°16°
0%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
90%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
70%
Wednesday
Partly Cloudy
70°/ 55° 21°/ 13°
0%
Thursday
Sunny
65°/ 50° 18°/ 10°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Sunny
62°17°
0%

Night: Mostly cloudy. Patchy fog after midnight. Lows around 60. Southeast winds 5 to 10 mph.

Madison, SD

Tonight
Rain Showers
62°17°
20%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
68°/ 58° 20°/ 14°
70%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Partly Cloudy
68°/ 52° 20°/ 11°
0%
Thursday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 48° 18°/ 9°
0%
Saturday
Partly Cloudy
62°17°
0%

Night: Cloudy with a 20 percent chance of showers. Patchy fog this evening. Areas of fog after midnight. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph.

Chamberlain, SD

Tonight
Mostly Cloudy
58°14°
0%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 58° 22°/ 14°
90%
Tuesday
Rain Showers
70°/ 52° 21°/ 11°
50%
Wednesday
Sunny
72°/ 52° 22°/ 11°
0%
Thursday
Sunny
65°/ 48° 18°/ 9°
0%
Friday
Sunny
65°/ 48° 18°/ 9°
0%
Saturday
Sunny
62°17°
0%

Night: Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 50s. Southeast winds 5 to 10 mph.

Fort Thompson, SD

Tonight
Mostly Cloudy
58°14°
0%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
20%
Monday
Mostly Cloudy
72°/ 58° 22°/ 14°
90%
Tuesday
Rain Showers
70°/ 52° 21°/ 11°
40%
Wednesday
Cloudy
52°11°
0%
Thursday
Cloudy
52°/ 48° 11°/ 9°
0%
Friday
Rain Showers
65°/ 48° 18°/ 9°
20%

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

Miller, SD

Tonight
Mostly Cloudy
58°14°
0%
Sunday
Mostly Cloudy
68°/ 55° 20°/ 13°
20%
Monday
Rain Showers
72°/ 58° 22°/ 14°
90%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Wed Night
Cloudy
52°11°
0%
Thursday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Rain Showers
65°/ 48° 18°/ 9°
20%
Saturday
Partly Cloudy
62°17°
0%

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

Parker, SD

Tonight
Rain Showers
62°17°
30%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 62° 22°/ 17°
70%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
80%
Wednesday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Thursday
Sunny
68°/ 52° 20°/ 11°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Sunny
62°17°
0%

Night: Cloudy. A slight chance of showers this evening, then a chance of showers after midnight. Patchy fog. Lows in the lower 60s. Southeast winds 5 to 10 mph, becoming east after midnight. Chance of rain 30 percent.

Wagner, SD

Tonight
Mostly Cloudy
60°16°
0%
Sunday
Mostly Cloudy
72°/ 58° 22°/ 14°
0%
Monday
Mostly Cloudy
72°/ 60° 22°/ 16°
90%
Tuesday
Thunderstorms
70°/ 55° 21°/ 13°
70%
Wednesday
Partly Cloudy
70°/ 55° 21°/ 13°
0%
Thursday
Sunny
68°/ 52° 20°/ 11°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Sunny
62°17°
0%

Night: Mostly cloudy. Patchy fog after midnight. Lows around 60. Southeast winds 5 to 10 mph, becoming east after midnight.

Clark, SD

Tonight
Rain Showers
58°14°
20%
Sunday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Monday
Mostly Cloudy
68°/ 58° 20°/ 14°
90%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
70%
Wed-Wed Night
Cloudy
70°21°
0%
Thursday
Partly Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Rain Showers
65°/ 48° 18°/ 9°
20%
Saturday
Partly Cloudy
62°17°
0%

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

Tyndall, SD

Tonight
Rain Showers
62°17°
20%
Sunday
Mostly Cloudy
72°/ 60° 22°/ 16°
0%
Monday
Mostly Cloudy
72°/ 62° 22°/ 17°
70%
Tuesday
Thunderstorms
68°/ 58° 20°/ 14°
70%
Wednesday
Partly Cloudy
68°/ 55° 20°/ 13°
0%
Thursday
Partly Cloudy
65°/ 52° 18°/ 11°
0%
Friday
Sunny
65°/ 52° 18°/ 11°
0%
Saturday
Sunny
62°17°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Patchy fog after midnight. Lows in the lower 60s. East winds around 5 mph.

Sioux Falls, SD

Tonight
Rain Showers
62°17°
30%
Sunday
Mostly Cloudy
70°/ 58° 21°/ 14°
0%
Monday
Cloudy
70°/ 60° 21°/ 16°
70%
Tuesday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Wednesday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Thursday
Partly Cloudy
65°/ 50° 18°/ 10°
0%
Friday
Sunny
65°/ 50° 18°/ 10°
0%
Saturday
Partly Cloudy
62°17°
0%

Night: Cloudy with a 30 percent chance of showers. Patchy fog. Near steady temperature in the lower 60s. Southeast winds 5 to 10 mph.

Names listed above may include county names.

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