Mosher, SD Weather Forecast & Current Conditions

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Mosher Weather Map
UTC Time: 9/17/2026, 15:58
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Mosher, SD Regional Weather

Expires:202609171600;;605860
ASUS43 KFSD 171510
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1000 AM CDT THU SEP 17 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>074-171600-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT MOSUNNY   63  46  54 CALM      30.29R TC  17           
PIERRE         MOSUNNY   57  56  96 S3        30.28R TC  14           
CUSTER         PTSUNNY   58  52  80 E8        30.37S TC  14           
ELLSWORTH AFB  MOSUNNY   66  47  50 SE7       30.26R TC  19           
PHILIP         CLOUDY    56  55  97 E9        30.28S FOG     TC  13   
SPEARFISH      MOSUNNY   72  48  43 SE17      30.26F TC  22           
WINNER         CLOUDY    58  58 100 E7        30.30R FOG     TC  14   
$$
 

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

Mosher, SD

Today
Thunderstorms
78°/ 58° 26°/ 14°
70%
Friday
Rain Showers
75°/ 55° 24°/ 13°
20%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
70%
Sunday
Thunderstorms
62°/ 52° 17°/ 11°
90%
Monday
Rain Showers
68°/ 50° 20°/ 10°
40%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
40%
Wednesday
Rain Showers
78°26°
30%

Day: Mostly cloudy. Areas of fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. East winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Night: Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Locally heavy rainfall possible in the evening. Breezy with lows in the upper 50s. East winds 20 to 30 mph, diminishing to 15 to 20 mph after midnight. Chance of rain 70 percent.

Winner, SD

Today
Cloudy
78°/ 60° 26°/ 16°
70%
Friday
Rain Showers
75°/ 55° 24°/ 13°
40%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
50%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
90%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Cloudy
70°/ 52° 21°/ 11°
40%
Wednesday
Rain Showers
75°24°
30%

Day: Becoming partly cloudy. Widespread fog this morning. Highs in the upper 70s. East winds 10 to 15 mph. Gusts up to 30 mph this afternoon.

Night: Showers likely. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Lows around 60. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Mission, SD

Today
Thunderstorms
78°/ 58° 26°/ 14°
70%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
70%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Wednesday
Rain Showers
75°24°
20%

Day: Mostly cloudy. Areas of fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. East winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent.

Night: Showers likely. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Breezy with lows in the upper 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent.

Murdo, SD

Today
Rain Showers
72°/ 58° 22°/ 14°
100%
Friday
Rain Showers
72°/ 55° 22°/ 13°
70%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
50%
Sunday
Thunderstorms
65°/ 50° 18°/ 10°
90%
Monday
Rain Showers
68°/ 48° 20°/
50%
Tue Night
Thunderstorms
52°11°
40%
Wednesday
Rain Showers
78°26°
40%

Day: Mostly cloudy. Patchy fog late this morning. A chance of showers this afternoon. Highs in the lower 70s. East winds 5 to 10 mph with gusts up to 20 mph, increasing to 15 to 20 mph with gusts up to 30 mph this afternoon. Chance of rain 40 percent.

Night: A chance of thunderstorms. Showers. Patchy fog after midnight. Locally heavy rainfall possible in the evening. Breezy with lows in the upper 50s. East winds 15 to 25 mph. Chance of rain near 100 percent.

Kennebec, SD

Today
Rain Showers
72°/ 58° 22°/ 14°
100%
Friday
Rain Showers
75°/ 55° 24°/ 13°
50%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
80%
Monday
Rain Showers
65°/ 50° 18°/ 10°
40%
Tuesday
Mostly Cloudy
70°/ 52° 21°/ 11°
40%
Wednesday
Thunderstorms
75°24°
20%

Day: Partly sunny late this morning, then becoming mostly cloudy. Areas of fog late this morning. A slight chance of showers this afternoon. Highs in the lower 70s. East winds 10 to 15 mph. Gusts up to 30 mph this afternoon. Chance of rain 20 percent.

Night: Showers with a chance of thunderstorms. Patchy fog after midnight. Locally heavy rainfall possible. Breezy with lows in the upper 50s. East winds 15 to 25 mph. Chance of rain near 100 percent.

Valentine, NE

Today
Thunderstorms
78°/ 62° 26°/ 17°
100%
Friday
Partly Cloudy
80°/ 55° 27°/ 13°
20%
Saturday
Rain Showers
72°/ 52° 22°/ 11°
70%
Sunday
Thunderstorms
65°/ 50° 18°/ 10°
90%
Monday
Rain Showers
68°/ 48° 20°/
40%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Wednesday
Rain Showers
75°24°
20%

Day: Partly sunny. Areas of fog in the morning. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds up to 10 mph, increasing to southeast 10 to 20 mph in the afternoon. Chance of precipitation 40 percent.

Night: Showers and thunderstorms in the evening, then showers likely after midnight. Lows in the lower 60s. Southeast winds 10 to 20 mph. Chance of precipitation near 100 percent.

Cody, NE

Today
Thunderstorms
78°/ 58° 26°/ 14°
100%
Friday
Partly Cloudy
78°/ 55° 26°/ 13°
20%
Saturday
Rain Showers
72°/ 52° 22°/ 11°
90%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
68°/ 48° 20°/
30%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Wednesday
Rain Showers
75°24°
20%

Day: Partly sunny in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds around 10 mph, becoming southeast 15 to 20 mph in the afternoon. Chance of precipitation 50 percent.

Night: Showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 50s. Southeast winds 15 to 20 mph, becoming south 10 to 15 mph after midnight. Chance of precipitation near 100 percent.

Kadoka, SD

Today
Thunderstorms
78°/ 58° 26°/ 14°
70%
Friday
Rain Showers
72°/ 52° 22°/ 11°
20%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
70%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
68°/ 48° 20°/
40%
Tuesday
Cloudy
75°/ 52° 24°/ 11°
40%
Wednesday
Rain Showers
78°26°
20%

Day: Mostly cloudy. Patchy fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. East winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Night: Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Locally heavy rainfall possible in the evening. Breezy with lows in the upper 50s. East winds 15 to 25 mph. Chance of rain 70 percent.

Martin, SD

Today
Thunderstorms
78°/ 58° 26°/ 14°
70%
Friday
Mostly Cloudy
72°/ 52° 22°/ 11°
20%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
80%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Wednesday
Rain Showers
75°24°
20%

Day: Becoming mostly cloudy. Showers likely with a chance of thunderstorms this afternoon. Highs in the upper 70s. East winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 60 percent.

Night: Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Locally heavy rainfall possible in the evening. Breezy with lows in the upper 50s. East winds 15 to 25 mph, becoming southeast 10 to 15 mph after midnight. Gusts up to 35 mph. Chance of rain 70 percent.

Springview, NE

Today
Thunderstorms
75°/ 62° 24°/ 17°
100%
Friday
Mostly Cloudy
78°/ 55° 26°/ 13°
0%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
50%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
70%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
40%
Wednesday
Thunderstorms
72°22°
20%

Day: Areas of fog in the morning. Mostly cloudy in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. East winds up to 10 mph, increasing to 10 to 15 mph in the afternoon. Chance of precipitation 20 percent.

Night: Showers and thunderstorms in the evening, then showers and a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds 10 to 15 mph. Chance of precipitation near 100 percent.

Philip, SD

Today
Rain Showers
78°/ 55° 26°/ 13°
70%
Friday
Rain Showers
72°/ 52° 22°/ 11°
50%
Saturday
Mostly Cloudy
68°/ 50° 20°/ 10°
70%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
68°/ 48° 20°/
40%
Tuesday
Cloudy
72°/ 50° 22°/ 10°
40%
Wednesday
Rain Showers
78°26°
20%

Day: Becoming mostly cloudy. A chance of showers this afternoon. Highs in the upper 70s. East winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 40 percent.

Night: Showers likely with a slight chance of thunderstorms. Lows in the mid 50s. East winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Pierre, SD

Today
Mostly Cloudy
72°/ 58° 22°/ 14°
100%
Friday
Rain Showers
72°/ 55° 22°/ 13°
90%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
20%
Sun-Sun Night
Rain Showers
65°18°
70%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tue Night
Rain Showers
52°11°
40%
Wednesday
Rain Showers
75°24°
20%

Day: Partly sunny late this morning, then becoming mostly cloudy. Patchy fog late this morning. Highs in the lower 70s. East winds 10 to 15 mph.

Night: A slight chance of thunderstorms. Showers. Patchy fog after midnight. Locally heavy rainfall possible after midnight. Breezy with lows in the upper 50s. East winds 15 to 25 mph. Chance of rain near 100 percent.

Long Valley, SD

Today
Thunderstorms
78°/ 58° 26°/ 14°
70%
Friday
Rain Showers
72°/ 55° 22°/ 13°
20%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
70%
Sunday
Thunderstorms
62°/ 50° 17°/ 10°
90%
Monday
Rain Showers
68°/ 50° 20°/ 10°
30%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
40%
Wednesday
Rain Showers
78°26°
20%

Day: Becoming mostly cloudy. Patchy fog this morning. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 70s. East winds 10 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Locally heavy rainfall possible in the evening. Breezy with lows in the upper 50s. East winds 20 to 30 mph, diminishing to 10 to 20 mph after midnight. Chance of rain 70 percent.

Fort Thompson, SD

Today
Partly Cloudy
72°/ 58° 22°/ 14°
100%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Saturday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Sun-Sun Night
Rain Showers
62°17°
70%
Monday
Rain Showers
62°/ 48° 17°/
30%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
40%
Wednesday
Thunderstorms
72°22°
20%

Day: Patchy fog late this morning. Partly sunny. Highs in the lower 70s. East winds 10 to 15 mph.

Night: Showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Patchy fog after midnight. Locally heavy rainfall possible. Lows in the upper 50s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Fort Pierre, SD

Today
Rain Showers
72°/ 58° 22°/ 14°
100%
Friday
Rain Showers
72°/ 52° 22°/ 11°
70%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
40%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
80%
Monday
Rain Showers
68°/ 48° 20°/
50%
Tue Night
Rain Showers
52°11°
40%
Wednesday
Thunderstorms
78°26°
20%

Day: Partly sunny late this morning, then becoming mostly cloudy. Patchy fog late this morning. A slight chance of showers this afternoon. Highs in the lower 70s. East winds 5 to 10 mph, increasing to 15 to 20 mph with gusts up to 30 mph this afternoon. Chance of rain 20 percent.

Night: Showers with a slight chance of thunderstorms. Patchy fog after midnight. Lows in the upper 50s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Ainsworth, NE

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Friday
Partly Cloudy
82°/ 58° 28°/ 14°
20%
Saturday
Rain Showers
72°/ 52° 22°/ 11°
70%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
68°/ 50° 20°/ 10°
40%
Tuesday
Rain Showers
70°/ 52° 21°/ 11°
40%
Wednesday
Thunderstorms
72°22°
20%

Day: Areas of fog in the morning. Mostly cloudy in the morning, then partly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds up to 10 mph, becoming southeast in the afternoon. Chance of precipitation 20 percent.

Night: Showers and thunderstorms likely in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds 10 to 20 mph. Chance of precipitation 70 percent.

Highmore, SD

Today
Partly Cloudy
72°/ 58° 22°/ 14°
100%
Friday
Rain Showers
70°/ 52° 21°/ 11°
100%
Saturday
Mostly Cloudy
65°/ 52° 18°/ 11°
0%
Sun-Sun Night
Rain Showers
62°17°
70%
Monday
Rain Showers
62°/ 48° 17°/
40%
Tue Night
Rain Showers
52°11°
40%
Wednesday
Rain Showers
72°22°
20%

Day: Patchy fog late this morning. Partly sunny. Highs in the lower 70s. East winds 10 to 15 mph.

Night: Showers likely in the evening, then showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Locally heavy rainfall possible after midnight. Breezy with lows in the upper 50s. East winds 10 to 15 mph, increasing to 15 to 25 mph after midnight. Chance of rain near 100 percent.

Spencer, NE

Today
Mostly Cloudy
75°/ 62° 24°/ 17°
100%
Friday
Rain Showers
82°/ 58° 28°/ 14°
20%
Saturday
Mostly Cloudy
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
65°/ 50° 18°/ 10°
40%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
40%
Wednesday
Thunderstorms
72°22°
40%

Day: Mostly cloudy in the morning, then becoming partly sunny. Areas of dense fog in the morning. Highs in the mid 70s. East winds up to 10 mph, increasing to 10 to 15 mph in the afternoon.

Night: Showers and thunderstorms in the evening, then showers and a chance of thunderstorms after midnight. Lows in the lower 60s. East winds 10 to 15 mph. Chance of precipitation near 100 percent.

Bassett, NE

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Friday
Partly Cloudy
82°/ 58° 28°/ 14°
20%
Saturday
Rain Showers
72°/ 52° 22°/ 11°
50%
Sunday
Rain Showers
65°/ 50° 18°/ 10°
70%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tuesday
Mostly Cloudy
70°/ 52° 21°/ 11°
40%
Wednesday
Thunderstorms
72°22°
30%

Day: Areas of dense fog in the morning. Mostly cloudy in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. East winds up to 10 mph, becoming southeast in the afternoon. Chance of precipitation 20 percent.

Night: Showers and thunderstorms likely in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds 10 to 15 mph. Chance of precipitation 70 percent.

Onida, SD

Today
Mostly Cloudy
72°/ 55° 22°/ 13°
100%
Friday
Rain Showers
68°/ 52° 20°/ 11°
70%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
20%
Sun-Sun Night
Rain Showers
62°17°
70%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tue Night
Rain Showers
52°11°
30%
Wednesday
Rain Showers
75°24°
20%

Day: Partly sunny late this morning, then becoming mostly cloudy. Patchy fog late this morning. Highs in the lower 70s. East winds 10 to 15 mph with gusts up to 25 mph.

Night: Showers likely in the evening, then showers with a slight chance of thunderstorms after midnight. Patchy fog after midnight. Lows in the mid 50s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Names listed above may include county names.

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