Blank Dam, SD Weather Forecast & Current Conditions

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Blank Dam Weather Map
UTC Time: 9/15/2026, 21:09
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Blank Dam, SD Regional Weather

Expires:202609152200;;510661
ASUS43 KFSD 152102
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
400 PM CDT TUE SEP 15 2026

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



SDZ004>011-016>023-039-040-152200-
NORTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ABERDEEN       PTSUNNY   71  48  43 NW8       30.15S TC  22           
WATERTOWN      SUNNY     68  47  46 W9G20     30.16S TC  20           
BROOKINGS      SUNNY     68  48  48 N8        30.19R TC  20           
SISSETON         N/A     72  50  45 NW12      30.13R TC  22           
$$
 

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

Blank Dam, SD

Afternoon
Sunny
68°/ 45° 20°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
30%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
80%
Friday
Rain Showers
68°/ 55° 20°/ 13°
50%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
30%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
40%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.

Night: Partly cloudy. Lows in the mid 40s. North winds 5 to 10 mph, becoming east with gusts up to 20 mph after midnight.

Faulkton, SD

Afternoon
Sunny
70°/ 45° 21°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Thursday
Rain Showers
70°/ 55° 21°/ 13°
90%
Friday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Sat Night
Rain Showers
52°11°
30%
Sun Night
Rain Showers
52°11°
30%

Day: Mostly sunny. Highs around 70. Northwest winds 5 to 10 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph.

Eureka, SD

Afternoon
Sunny
68°/ 45° 20°/
0%
Wednesday
Rain Showers
68°/ 50° 20°/ 10°
30%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
70%
Friday
Rain Showers
68°/ 55° 20°/ 13°
50%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
30%
Sun-Sun Night
Rain Showers
65°18°
40%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. North winds 5 to 10 mph, becoming east 10 to 15 mph after midnight.

Redfield, SD

Afternoon
Sunny
72°/ 48° 22°/
0%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
20%
Thursday
Rain Showers
72°/ 58° 22°/ 14°
90%
Friday
Thunderstorms
70°/ 55° 21°/ 13°
70%
Sat Night
Rain Showers
55°13°
20%
Sun-Sun Night
Rain Showers
68°20°
30%

Day: Sunny. Highs in the lower 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the upper 40s. Northeast winds around 5 mph, becoming east after midnight.

Aberdeen, SD

Afternoon
Sunny
68°/ 45° 20°/
0%
Wednesday
Rain Showers
70°/ 50° 21°/ 10°
20%
Thursday
Rain Showers
72°/ 55° 22°/ 13°
70%
Friday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Saturday
Cloudy
68°/ 52° 20°/ 11°
20%
Sunday
Rain Showers
68°20°
30%

Day: Mostly sunny. Near steady temperature in the upper 60s. Northwest winds around 10 mph with gusts up to 20 mph.

Night: Partly cloudy. Lows in the mid 40s. North winds 5 to 10 mph, becoming east after midnight.

Gettysburg, SD

Afternoon
Sunny
70°/ 48° 21°/
0%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
20%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
90%
Friday
Rain Showers
68°/ 55° 20°/ 13°
50%
Sat Night
Rain Showers
52°11°
30%
Sun-Sun Night
Rain Showers
68°20°
40%

Day: Mostly sunny. Highs around 70. Northwest winds 10 to 15 mph.

Night: Partly cloudy. Lows in the upper 40s. Northeast winds 5 to 10 mph, becoming east 10 to 15 mph after midnight.

Miller, SD

Afternoon
Sunny
72°/ 48° 22°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Thursday
Rain Showers
72°/ 58° 22°/ 14°
100%
Friday
Thunderstorms
70°/ 55° 21°/ 13°
70%
Saturday
Cloudy
68°/ 55° 20°/ 13°
20%
Sun-Sun Night
Rain Showers
68°20°
30%

Day: Mostly sunny. Highs in the lower 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear. Lows in the upper 40s. Northeast winds around 5 mph, becoming east after midnight.

Mobridge, SD

Afternoon
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
30%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
70%
Friday
Rain Showers
68°/ 55° 20°/ 13°
50%
Sat Night
Rain Showers
52°11°
40%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
50%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.

Night: Partly cloudy. Lows in the upper 40s. Northeast winds 5 to 10 mph, becoming east 10 to 15 mph with gusts up to 25 mph after midnight.

Ellendale, ND

Today
Sunny
68°/ 45° 20°/
0%
Wednesday
Rain Showers
68°/ 48° 20°/
30%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
50%
Friday
Rain Showers
68°/ 52° 20°/ 11°
40%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
30%
Sunday
Rain Showers
68°/ 50° 20°/ 10°
30%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.

Night: Partly cloudy. Lows in the mid 40s. Northeast winds around 5 mph.

Ashley, ND

Today
Sunny
68°/ 45° 20°/
0%
Wednesday
Rain Showers
65°/ 48° 18°/
30%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
60%
Friday
Rain Showers
68°/ 52° 20°/ 11°
40%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
30%
Sunday
Rain Showers
65°/ 48° 18°/
40%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Night: Increasing clouds. Lows in the mid 40s. Northeast winds around 5 mph, becoming east 5 to 15 mph after midnight.

Herreid, SD

Afternoon
Sunny
68°/ 45° 20°/
0%
Wednesday
Rain Showers
68°/ 48° 20°/
20%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
50%
Friday
Rain Showers
70°/ 52° 21°/ 11°
50%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
40%
Sun-Sun Night
Rain Showers
68°20°
50%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.

Night: Partly cloudy. Lows in the mid 40s. Northeast winds 5 to 10 mph, becoming east 10 to 15 mph with gusts up to 25 mph after midnight.

Webster, SD

Afternoon
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
20%
Thursday
Rain Showers
70°/ 58° 21°/ 14°
70%
Friday
Thunderstorms
65°/ 55° 18°/ 13°
70%
Saturday
Cloudy
65°/ 55° 18°/ 13°
20%
Sun-Sun Night
Rain Showers
65°18°
30%

Day: Sunny. Highs in the upper 60s. Northwest winds around 10 mph with gusts up to 20 mph.

Night: Mostly clear. Lows in the upper 40s. North winds around 5 mph, becoming east after midnight.

Britton, SD

Afternoon
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
30%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
70%
Friday
Rain Showers
65°/ 55° 18°/ 13°
70%
Saturday
Cloudy
65°/ 52° 18°/ 11°
30%
Sun Night
Rain Showers
52°11°
30%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph.

Night: Mostly clear. Lows in the upper 40s. North winds 5 to 10 mph, becoming east after midnight.

Onida, SD

Afternoon
Sunny
72°/ 50° 22°/ 10°
0%
Wednesday
Rain Showers
72°/ 52° 22°/ 11°
20%
Thursday
Rain Showers
70°/ 55° 21°/ 13°
90%
Friday
Rain Showers
70°/ 55° 21°/ 13°
50%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sun-Sun Night
Rain Showers
68°20°
40%

Day: Mostly sunny. Highs in the lower 70s. Northwest winds 5 to 10 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 50. East winds 10 to 15 mph.

Linton, ND

Today
Sunny
68°/ 45° 20°/
0%
Wednesday
Rain Showers
68°/ 48° 20°/
30%
Thursday
Rain Showers
68°/ 52° 20°/ 11°
40%
Friday
Rain Showers
72°/ 52° 22°/ 11°
20%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
40%
Sunday
Rain Showers
68°/ 48° 20°/
50%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

Night: Partly cloudy. Lows in the mid 40s. Northeast winds around 5 mph, becoming east 5 to 15 mph with gusts up to 25 mph after midnight.

Highmore, SD

Afternoon
Sunny
72°/ 48° 22°/
0%
Wednesday
Rain Showers
70°/ 55° 21°/ 13°
20%
Thursday
Rain Showers
70°/ 58° 21°/ 14°
90%
Friday
Thunderstorms
70°/ 55° 21°/ 13°
50%
Sat Night
Rain Showers
52°11°
30%
Sun Night
Rain Showers
52°11°
30%

Day: Mostly sunny. Highs in the lower 70s. Northwest winds 10 to 15 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 40s. Northeast winds 5 to 10 mph, becoming east with gusts up to 20 mph after midnight.

Huron, SD

Tonight
Clear
48°
0%
Wednesday
Rain Showers
70°/ 55° 21°/ 13°
20%
Thursday
Rain Showers
72°/ 58° 22°/ 14°
100%
Friday
Thunderstorms
72°/ 58° 22°/ 14°
100%
Saturday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
68°/ 52° 20°/ 11°
30%
Monday
Partly Cloudy
68°/ 52° 20°/ 11°
0%

Night: Mostly clear. Lows in the upper 40s. Northeast winds around 5 mph, becoming east after midnight.

Edgeley, ND

Today
Sunny
68°/ 42° 20°/
0%
Wednesday
Rain Showers
68°/ 48° 20°/
30%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
40%
Friday
Rain Showers
68°/ 52° 20°/ 11°
40%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
30%
Sunday
Rain Showers
68°/ 48° 20°/
20%

Day: Mostly sunny. Highs in the upper 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Night: Increasing clouds. Lows in the lower 40s. Northeast winds around 5 mph.

Isabel, SD

Afternoon
Sunny
72°/ 52° 22°/ 11°
0%
Wednesday
Rain Showers
75°/ 52° 24°/ 11°
20%
Thursday
Rain Showers
72°/ 55° 22°/ 13°
70%
Friday
Rain Showers
72°/ 55° 22°/ 13°
40%
Sat Night
Rain Showers
52°11°
50%
Sun Night
Rain Showers
52°11°
50%

Day: Mostly sunny. Highs in the lower 70s. Northwest winds 5 to 10 mph.

Night: Partly cloudy. Lows in the lower 50s. East winds 10 to 15 mph. Gusts up to 30 mph after midnight.

Napoleon, ND

Today
Sunny
65°/ 45° 18°/
0%
Wednesday
Rain Showers
65°/ 48° 18°/
30%
Thursday
Mostly Cloudy
65°/ 52° 18°/ 11°
40%
Friday
Rain Showers
68°/ 52° 20°/ 11°
20%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
40%
Sunday
Rain Showers
65°/ 48° 18°/
40%

Day: Mostly sunny. Highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph.

Night: Mostly clear. Lows in the mid 40s. Northeast winds around 5 mph, becoming east 10 to 15 mph with gusts up to 25 mph after midnight.

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