New Underwood, SD Weather Forecast & Current Conditions

Feedback E-mail the Weather

Quick Clicks

Weather World

New Underwood, SD Weather Maps

°F °C°F °C
New Underwood Weather Map
UTC Time: 9/28/2026, 22:32
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

New Underwood, SD Regional Weather

Expires:202609282300;;214543
ASUS43 KFSD 282210
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
500 PM CDT MON SEP 28 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>074-282300-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT PTSUNNY   71  63  75 S5        29.80S TC  22           
PIERRE         CLOUDY    72  64  76 SE13      29.77F TC  22           
CUSTER         PTSUNNY   64  49  57 W6        29.92F TC  18           
ELLSWORTH AFB  PTSUNNY   73  62  68 NE5       29.77F TC  23           
PHILIP         CLOUDY    75  63  66 S14G23    29.78F TC  24           
SPEARFISH      PTSUNNY   68  59  73 NW6       29.86R TC  20           
WINNER         CLOUDY    74  63  68 SE13      29.85F TC  23           
$$
 

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

New Underwood, SD

Afternoon
Thunderstorms
80°/ 58° 27°/ 14°
50%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
78°/ 48° 26°/ 9°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs around 80. South winds 10 to 20 mph with gusts up to 40 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Folsom, SD

Afternoon
Thunderstorms
78°/ 58° 26°/ 14°
40%
Tuesday
Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Cloudy
78°/ 48° 26°/ 9°
0%
Thursday
Cloudy
68°/ 48° 20°/ 9°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
70°/ 45° 21°/ 7°
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 30 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Rapid City, SD

Afternoon
Thunderstorms
72°/ 55° 22°/ 13°
30%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 70s. Southwest winds 5 to 10 mph with gusts up to 30 mph. Chance of rain 30 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent.

Ellsworth AFB, SD

Afternoon
Thunderstorms
78°/ 55° 26°/ 13°
50%
Tuesday
Cloudy
75°/ 52° 24°/ 11°
0%
Wednesday
Sunny
78°/ 48° 26°/ 9°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Cloudy
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Sturgis, SD

Afternoon
Thunderstorms
72°/ 55° 22°/ 13°
50%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
20%
Saturday
Cloudy
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 70s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Hermosa, SD

Afternoon
Thunderstorms
78°/ 55° 26°/ 13°
20%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
75°/ 52° 24°/ 11°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 30 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.

Hill City, SD

Afternoon
Thunderstorms
68°/ 52° 20°/ 11°
30%
Tuesday
Rain Showers
65°/ 48° 18°/ 9°
20%
Wednesday
Cloudy
70°/ 45° 21°/ 7°
0%
Thursday
Cloudy
58°/ 45° 14°/ 7°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
20%
Saturday
Sunny
62°/ 42° 17°/ 6°
0%
Sunday
Sunny
58°14°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 60s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.

Kyle, SD

Afternoon
Thunderstorms
78°/ 58° 26°/ 14°
50%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. South winds 10 to 20 mph with gusts up to 45 mph. Chance of rain 40 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. South winds 5 to 10 mph with gusts up to 20 mph, becoming northwest after midnight. Chance of rain 50 percent.

Lead, SD

Afternoon
Thunderstorms
68°/ 48° 20°/ 9°
50%
Tuesday
Cloudy
65°/ 45° 18°/ 7°
0%
Wednesday
Cloudy
68°/ 40° 20°/ 4°
0%
Thursday
Cloudy
58°/ 42° 14°/ 6°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
20%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
58°14°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 60s. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 40s. West winds 5 to 10 mph. Chance of rain 40 percent.

Faith, SD

Afternoon
Thunderstorms
78°/ 55° 26°/ 13°
50%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
62°/ 48° 17°/ 9°
0%
Friday
Cloudy
72°/ 48° 22°/ 9°
20%
Saturday
Cloudy
68°/ 42° 20°/ 6°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 50s. Southeast winds 5 to 10 mph with gusts up to 20 mph, becoming northwest after midnight. Chance of rain 50 percent.

Pringle, SD

Afternoon
Thunderstorms
70°/ 55° 21°/ 13°
30%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Cloudy
72°/ 50° 22°/ 10°
0%
Thursday
Cloudy
62°/ 48° 17°/ 9°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature around 70. West winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 30 percent.

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

Belle Fourche, SD

Afternoon
Thunderstorms
75°/ 52° 24°/ 11°
50%
Tuesday
Cloudy
75°/ 50° 24°/ 10°
0%
Wednesday
Sunny
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Cloudy
72°/ 48° 22°/ 9°
20%
Saturday
Cloudy
68°/ 42° 20°/ 6°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 50s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.

Spearfish, SD

Afternoon
Thunderstorms
72°/ 52° 22°/ 11°
50%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
20%
Saturday
Cloudy
65°/ 45° 18°/ 7°
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the lower 70s. Northwest winds 5 to 10 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 50s. West winds 5 to 10 mph. Chance of rain 50 percent.

Kadoka, SD

Afternoon
Thunderstorms
78°/ 58° 26°/ 14°
70%
Tuesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
62°/ 45° 17°/ 7°
0%
Friday
Sunny
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. South winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 40 percent.

Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 70 percent.

Philip, SD

Afternoon
Thunderstorms
75°/ 58° 24°/ 14°
70%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
65°/ 45° 18°/ 7°
0%
Friday
Cloudy
72°/ 50° 22°/ 10°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the mid 70s. South winds 15 to 20 mph with gusts up to 40 mph. Chance of rain 40 percent.

Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Patchy fog after midnight. Lows in the upper 50s. Southeast winds 10 to 15 mph, becoming west 5 to 10 mph after midnight. Gusts up to 25 mph. Chance of rain 70 percent.

Oral, SD

Afternoon
Thunderstorms
78°/ 58° 26°/ 14°
30%
Tuesday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
78°/ 50° 26°/ 10°
0%
Thursday
Cloudy
68°/ 48° 20°/ 9°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
72°/ 45° 22°/ 7°
0%
Sunday
Sunny
68°20°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 35 mph. Chance of rain 30 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. Southwest winds 5 to 10 mph, becoming north after midnight. Chance of rain 30 percent.

Pine Ridge, SD

Afternoon
Thunderstorms
78°/ 58° 26°/ 14°
50%
Tuesday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Wednesday
Cloudy
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
72°/ 52° 22°/ 11°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. South winds 10 to 20 mph with gusts up to 40 mph. Chance of rain 50 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. South winds 10 to 15 mph, becoming west 5 to 10 mph after midnight. Chance of rain 50 percent.

Dupree, SD

Afternoon
Thunderstorms
75°/ 58° 24°/ 14°
60%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Sunny
75°/ 45° 24°/ 7°
0%
Thursday
Sunny
62°/ 45° 17°/ 7°
0%
Friday
Cloudy
68°/ 48° 20°/ 9°
20%
Saturday
Cloudy
68°/ 42° 20°/ 6°
0%
Sunday
Sunny
60°16°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 70s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 50 percent.

Night: Cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the upper 50s. South winds 10 to 15 mph with gusts up to 25 mph, becoming west 5 to 10 mph after midnight. Chance of rain 60 percent.

Hot Springs, SD

Afternoon
Thunderstorms
78°/ 55° 26°/ 13°
20%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Cloudy
65°/ 48° 18°/ 9°
0%
Friday
Sunny
75°/ 52° 24°/ 11°
0%
Saturday
Sunny
70°/ 48° 21°/ 9°
0%
Sunday
Sunny
65°18°
0%

Day: Mostly cloudy with a slight chance of showers and thunderstorms. Highs in the upper 70s. Southwest winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 20 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the mid 50s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.

Long Valley, SD

Afternoon
Thunderstorms
78°/ 58° 26°/ 14°
70%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Cloudy
75°/ 48° 24°/ 9°
0%
Thursday
Cloudy
62°/ 48° 17°/ 9°
0%
Friday
Sunny
70°/ 52° 21°/ 11°
0%
Saturday
Sunny
68°/ 45° 20°/ 7°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. South winds 15 to 20 mph with gusts up to 45 mph. Chance of rain 40 percent.

Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Names listed above may include county names.

Trending Headlines

Trending Entertainment Headlines

New Underwood Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

New Underwood Quick Facts

National Two Day Weather Forecast


E-mail the New Underwood Weather Forecast

Voice your opinion or tell us about page issues...