Fall River County, SD Weather Forecast & Current Conditions

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Fall River County, SD Weather Maps

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Fall River County Weather Map
UTC Time: 9/16/2026, 10:30
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Fall River County, SD Regional Weather

Expires:202609161100;;540324
ASUS43 KFSD 161010
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
500 AM 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.



SDZ012>016-024>037-041>051-057-063-072>074-161100-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLOUDY    56  43  61 SE8       30.16F TC  13           
PIERRE         CLOUDY    55  52  89 SE9       30.21S TC  13           
CUSTER         CLOUDY    51  39  63 SE5       30.21F TC  11           
ELLSWORTH AFB  CLOUDY    58  45  61 SE15      30.12F TC  14           
PHILIP         CLOUDY    55  47  74 E5        30.20S TC  13           
SPEARFISH      MOCLDY    54  41  62 W6        30.10F TC  12           
WINNER         CLOUDY    53  47  79 E5        30.25S TC  12           
$$
 

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

Fall River County, SD

Overnight
Rain Showers
52°11°
20%
Wednesday
Cloudy
85°/ 55° 29°/ 13°
0%
Thursday
Thunderstorms
70°/ 52° 21°/ 11°
80%
Friday
Cloudy
78°/ 52° 26°/ 11°
40%
Saturday
Thunderstorms
75°/ 48° 24°/
70%
Sunday
Thunderstorms
72°/ 48° 22°/
50%
Monday
Cloudy
75°/ 48° 24°/
0%
Tuesday
Cloudy
78°26°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Southern Foothills, SD

Overnight
Rain Showers
52°11°
20%
Wednesday
Cloudy
85°/ 55° 29°/ 13°
0%
Thursday
Thunderstorms
70°/ 55° 21°/ 13°
80%
Friday
Cloudy
78°/ 52° 26°/ 11°
50%
Saturday
Thunderstorms
75°/ 52° 24°/ 11°
70%
Sunday
Thunderstorms
72°/ 48° 22°/
60%
Monday
Rain Showers
75°/ 48° 24°/
20%
Tuesday
Cloudy
78°26°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. East winds 10 to 15 mph with gusts up to 30 mph.

Eastern Fall River, SD

Overnight
Rain Showers
52°11°
20%
Wednesday
Cloudy
85°/ 52° 29°/ 11°
0%
Thursday
Thunderstorms
72°/ 55° 22°/ 13°
90%
Friday
Cloudy
78°/ 52° 26°/ 11°
50%
Saturday
Thunderstorms
75°/ 50° 24°/ 10°
70%
Sunday
Thunderstorms
75°/ 48° 24°/
60%
Monday
Rain Showers
75°/ 48° 24°/
20%
Tuesday
Cloudy
78°26°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. Southeast winds 10 to 20 mph with gusts up to 30 mph.

Hermosa Foothills, SD

Overnight
Rain Showers
52°11°
20%
Wednesday
Cloudy
85°/ 55° 29°/ 13°
0%
Thursday
Thunderstorms
70°/ 55° 21°/ 13°
90%
Friday
Cloudy
75°/ 52° 24°/ 11°
60%
Saturday
Thunderstorms
72°/ 52° 22°/ 11°
80%
Sunday
Thunderstorms
72°/ 48° 22°/
70%
Monday
Rain Showers
72°/ 48° 22°/
30%
Tuesday
Cloudy
78°26°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. South winds 5 to 10 mph with gusts up to 20 mph.

Southern Black Hills, SD

Overnight
Rain Showers
52°11°
20%
Wednesday
Cloudy
82°/ 55° 28°/ 13°
0%
Thursday
Thunderstorms
68°/ 55° 20°/ 13°
80%
Friday
Cloudy
75°/ 55° 24°/ 13°
60%
Saturday
Thunderstorms
70°/ 52° 21°/ 11°
80%
Sunday
Thunderstorms
68°/ 48° 20°/
70%
Monday
Rain Showers
70°/ 48° 21°/
20%
Tuesday
Cloudy
72°22°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 30 mph.

Central Black Hills, SD

Overnight
Rain Showers
48°
20%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Thunderstorms
65°/ 52° 18°/ 11°
80%
Friday
Rain Showers
72°/ 52° 22°/ 11°
70%
Saturday
Thunderstorms
68°/ 48° 20°/
80%
Sunday
Thunderstorms
65°/ 45° 18°/
70%
Monday
Rain Showers
68°/ 48° 20°/
30%
Tuesday
Cloudy
70°21°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the upper 40s. South winds 10 to 15 mph with gusts up to 30 mph.

Dawes County, NE

Tonight
Rain Showers
55°13°
20%
Wednesday
Sunny
85°/ 55° 29°/ 13°
0%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
90%
Friday
Mostly Cloudy
78°/ 55° 26°/ 13°
40%
Saturday
Rain Showers
75°/ 50° 24°/ 10°
70%
Sunday
Thunderstorms
72°22°
50%
Sun Night
Cloudy
48°
0%
Wednesday
Cloudy
48°
0%
Tuesday
Cloudy
48°
0%

Night: Mostly cloudy with isolated showers. Breezy. Near steady temperature in the mid 50s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 20 percent.

Southern Oglala Lakota, SD

Overnight
Rain Showers
52°11°
20%
Wednesday
Cloudy
85°/ 52° 29°/ 11°
0%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
90%
Friday
Cloudy
75°/ 52° 24°/ 11°
40%
Saturday
Thunderstorms
72°/ 48° 22°/
70%
Sunday
Thunderstorms
72°/ 45° 22°/
60%
Monday
Rain Showers
75°/ 48° 24°/
20%
Tuesday
Rain Showers
78°26°
20%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Niobrara County, WY

Tonight
Rain Showers
52°11°
20%
Wednesday
Rain Showers
82°/ 52° 28°/ 11°
20%
Thursday
Rain Showers
72°/ 52° 22°/ 11°
90%
Friday
Sunny
78°/ 50° 26°/ 10°
50%
Sat-Sat Night
Thunderstorms
75°24°
70%
Sunday
Rain Showers
72°/ 45° 22°/
50%
Monday
Sunny
75°/ 45° 24°/
0%

Night: Mostly cloudy with isolated showers. Breezy and not as cool with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 20 percent.

Northern Sioux County, NE

Tonight
Rain Showers
52°11°
20%
Wednesday
Sunny
85°/ 52° 29°/ 11°
0%
Thursday
Thunderstorms
72°/ 52° 22°/ 11°
90%
Friday
Sunny
78°/ 52° 26°/ 11°
40%
Sat-Sat Night
Thunderstorms
75°24°
70%
Sunday
Rain Showers
72°22°
50%
Sun Night
Cloudy
45°
0%
Wednesday
Cloudy
45°
0%
Tuesday
Cloudy
45°
0%

Night: Mostly cloudy with isolated showers. Breezy with lows in the lower 50s. South winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 20 percent.

Northern Oglala Lakota, SD

Overnight
Rain Showers
52°11°
20%
Wednesday
Rain Showers
88°/ 52° 31°/ 11°
20%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
90%
Friday
Cloudy
75°/ 52° 24°/ 11°
50%
Saturday
Rain Showers
72°/ 50° 22°/ 10°
80%
Sunday
Thunderstorms
72°/ 48° 22°/
60%
Monday
Rain Showers
75°/ 48° 24°/
20%
Tuesday
Rain Showers
78°26°
20%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Sheridan, NE

Today
Partly Cloudy
82°/ 52° 28°/ 11°
0%
Thursday
Thunderstorms
75°/ 52° 24°/ 11°
100%
Friday
Mostly Cloudy
78°/ 52° 26°/ 11°
30%
Saturday
Thunderstorms
75°/ 48° 24°/
70%
Sunday
Thunderstorms
72°/ 45° 22°/
50%
Monday
Rain Showers
72°/ 48° 22°/
20%
Tuesday
Rain Showers
75°24°
20%

Day: Breezy. Partly sunny in the morning then clearing. Highs in the lower 80s. South winds 10 to 25 mph.

Night: Mostly cloudy. Lows in the lower 50s. South winds around 10 mph, becoming east up to 10 mph after midnight.

Custer Co Plains, SD

Overnight
Rain Showers
52°11°
20%
Wednesday
Cloudy
88°/ 52° 31°/ 11°
0%
Thursday
Thunderstorms
72°/ 55° 22°/ 13°
90%
Friday
Cloudy
75°/ 52° 24°/ 11°
60%
Saturday
Thunderstorms
72°/ 50° 22°/ 10°
80%
Sunday
Thunderstorms
72°/ 48° 22°/
70%
Monday
Rain Showers
75°/ 48° 24°/
20%
Tuesday
Cloudy
78°26°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. Southeast winds 10 to 15 mph with gusts up to 25 mph.

Newcastle, WY

Overnight
Rain Showers
52°11°
20%
Wednesday
Cloudy
82°/ 52° 28°/ 11°
0%
Thursday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Friday
Cloudy
78°/ 52° 26°/ 11°
70%
Saturday
Thunderstorms
72°/ 48° 22°/
70%
Sunday
Thunderstorms
70°/ 45° 21°/
60%
Monday
Cloudy
72°/ 45° 22°/
0%
Tuesday
Cloudy
75°24°
0%

Night: Partly cloudy with a 20 percent chance of showers. Breezy with lows in the lower 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph.

Northern Black Hills, SD

Overnight
Rain Showers
48°
20%
Wednesday
Cloudy
75°/ 45° 24°/
0%
Thursday
Thunderstorms
65°/ 48° 18°/
80%
Friday
Thunderstorms
72°/ 48° 22°/
70%
Saturday
Thunderstorms
65°/ 45° 18°/
90%
Sunday
Thunderstorms
62°/ 42° 17°/
70%
Monday
Rain Showers
65°/ 45° 18°/
40%
Tuesday
Rain Showers
68°20°
20%

Night: Partly cloudy with a 20 percent chance of showers. Near steady temperature in the upper 40s. South winds 10 to 15 mph with gusts up to 30 mph.

Rapid City, SD

Overnight
Rain Showers
55°13°
20%
Wednesday
Cloudy
85°/ 52° 29°/ 11°
0%
Thursday
Thunderstorms
68°/ 55° 20°/ 13°
90%
Friday
Rain Showers
75°/ 55° 24°/ 13°
70%
Saturday
Thunderstorms
70°/ 52° 21°/ 11°
80%
Sunday
Thunderstorms
70°/ 48° 21°/
70%
Monday
Rain Showers
72°/ 50° 22°/ 10°
30%
Tuesday
Cloudy
75°24°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Near steady temperature in the mid 50s. South winds 10 to 20 mph with gusts up to 30 mph.

Pennington Co Plains, SD

Overnight
Rain Showers
52°11°
20%
Wednesday
Rain Showers
85°/ 52° 29°/ 11°
20%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
90%
Friday
Mostly Cloudy
75°/ 52° 24°/ 11°
50%
Saturday
Rain Showers
72°/ 52° 22°/ 11°
70%
Sunday
Thunderstorms
72°/ 48° 22°/
70%
Monday
Rain Showers
72°/ 48° 22°/
20%
Tuesday
Cloudy
78°26°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph.

Sturgis/Piedmont Foothills, SD

Overnight
Rain Showers
55°13°
20%
Wednesday
Cloudy
82°/ 50° 28°/ 10°
0%
Thursday
Thunderstorms
70°/ 58° 21°/ 14°
90%
Friday
Rain Showers
75°/ 55° 24°/ 13°
70%
Saturday
Thunderstorms
70°/ 52° 21°/ 11°
80%
Sunday
Thunderstorms
70°/ 48° 21°/
70%
Monday
Rain Showers
72°/ 50° 22°/ 10°
30%
Tuesday
Cloudy
75°24°
0%

Night: Mostly cloudy with a 20 percent chance of showers. Breezy. Near steady temperature in the mid 50s. Southeast winds 15 to 25 mph with gusts up to 35 mph.

Wyoming Black Hills, WY

Overnight
Rain Showers
52°11°
20%
Wednesday
Cloudy
78°/ 48° 26°/
0%
Thursday
Thunderstorms
70°/ 52° 21°/ 11°
70%
Friday
Cloudy
75°/ 52° 24°/ 11°
80%
Saturday
Thunderstorms
68°/ 48° 20°/
80%
Sunday
Thunderstorms
65°/ 45° 18°/
70%
Monday
Rain Showers
72°/ 48° 22°/
20%
Tuesday
Cloudy
75°24°
0%

Night: Partly cloudy with a 20 percent chance of showers. Lows in the lower 50s. South winds 10 to 20 mph with gusts up to 35 mph.

Box Butte County, NE

Tonight
Mostly Cloudy
52°11°
0%
Wednesday
Sunny
82°/ 55° 28°/ 13°
0%
Thursday
Thunderstorms
75°/ 55° 24°/ 13°
80%
Friday
Mostly Cloudy
80°/ 52° 27°/ 11°
40%
Saturday
Thunderstorms
75°/ 48° 24°/
70%
Sunday
Rain Showers
72°22°
40%
Sun Night
Cloudy
48°
0%
Wednesday
Cloudy
48°
0%
Tuesday
Cloudy
48°
0%

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

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