Dewey, SD Weather Forecast & Current Conditions

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Dewey Weather Map
UTC Time: 11/8/2026, 23:51
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Dewey, SD Regional Weather

Expires:202611090000;;498465
ASUS43 KFSD 082310
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
500 PM CST SUN NOV 08 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>074-090000-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT PTCLDY    65  36  34 S21G30    29.90S TC  18           
PIERRE         PTCLDY    59  37  44 SE9       29.93F TC  15           
CUSTER         PTCLDY    57  31  37 W10G17    30.03S TC  14           
ELLSWORTH AFB  CLEAR     65  34  31 S18       29.85F TC  18           
PHILIP         PTCLDY    66  40  38 S10       29.90F TC  19           
PINE RIDGE     PTCLDY    64  37  36 SW9       29.98F TC  18           
SPEARFISH      MOCLDY    66  32  28 VRB7      29.93S TC  19           
WINNER         PTCLDY    61  37  41 SE9       29.99F TC  16           
$$
 

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

Dewey, SD

Late Afternoon
Sunny
62°/ 40° 17°/ 4°
0%
Monday
Cloudy
55°/ 40° 13°/ 4°
0%
Tuesday
Cloudy
62°/ 38° 17°/ 3°
0%
Veterans Day
Sunny
55°13°
0%
Wed Night
Clear
38°3°
0%
Thursday
Sunny
58°/ 38° 14°/ 3°
0%
Friday
Sunny
62°/ 42° 17°/ 6°
0%
Saturday
Sunny
62°/ 42° 17°/ 6°
0%
Sunday
Cloudy
62°17°
0%

Day: Sunny. Highs in the lower 60s. Southwest winds 5 to 10 mph with gusts up to 30 mph.

Night: Mostly clear. Lows around 40. Northwest winds 5 to 10 mph. Gusts up to 25 mph in the evening.

Hot Springs, SD

Late Afternoon
Sunny
65°/ 38° 18°/ 3°
0%
Monday
Cloudy
58°/ 38° 14°/ 3°
0%
Tuesday
Cloudy
65°/ 38° 18°/ 3°
0%
Veterans Day
Sunny
58°14°
0%
Wed Night
Clear
38°3°
0%
Thursday
Sunny
58°/ 38° 14°/ 3°
0%
Friday
Sunny
62°/ 40° 17°/ 4°
0%
Saturday
Sunny
65°/ 42° 18°/ 6°
0%
Sunday
Cloudy
65°18°
0%

Day: Sunny. Highs in the mid 60s. Southwest winds 5 to 10 mph with gusts up to 25 mph.

Night: Mostly clear. Lows in the upper 30s. West winds 5 to 10 mph.

Ardmore, SD

Late Afternoon
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Cloudy
58°/ 35° 14°/ 2°
0%
Tuesday
Cloudy
62°/ 38° 17°/ 3°
0%
Veterans Day
Sunny
58°14°
0%
Wed Night
Clear
35°2°
0%
Thursday
Sunny
60°/ 35° 16°/ 2°
0%
Friday
Sunny
65°/ 38° 18°/ 3°
0%
Saturday
Sunny
65°/ 38° 18°/ 3°
0%
Sunday
Cloudy
65°18°
0%

Day: Sunny. Highs in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear. Lows in the upper 30s. West winds 10 to 15 mph.

Newcastle, WY

Late Afternoon
Sunny
65°/ 32° 18°/ 0°
0%
Monday
Cloudy
58°/ 32° 14°/ 0°
0%
Tuesday
Cloudy
60°/ 35° 16°/ 2°
0%
Veterans Day
Sunny
58°14°
0%
Wed Night
Clear
32°0°
0%
Thursday
Sunny
60°/ 32° 16°/ 0°
0%
Friday
Sunny
62°/ 35° 17°/ 2°
0%
Saturday
Sunny
62°/ 35° 17°/ 2°
0%
Sunday
Cloudy
62°17°
0%

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

Night: Mostly clear. Lows in the lower 30s. East winds around 5 mph, becoming north after midnight.

Hill City, SD

Late Afternoon
Sunny
60°/ 38° 16°/ 3°
0%
Monday
Cloudy
55°/ 38° 13°/ 3°
0%
Tuesday
Cloudy
62°/ 38° 17°/ 3°
0%
Veterans Day
Sunny
55°13°
0%
Wed Night
Clear
38°3°
0%
Thursday
Sunny
58°/ 38° 14°/ 3°
0%
Friday
Sunny
62°/ 42° 17°/ 6°
0%
Saturday
Sunny
62°/ 42° 17°/ 6°
0%
Sunday
Cloudy
62°17°
0%

Day: Sunny. Highs in the 60s. Southwest winds 5 to 10 mph with gusts up to 30 mph.

Night: Mostly clear. Lows in the upper 30s. Northwest winds 5 to 10 mph. Gusts up to 30 mph in the evening.

Lead, SD

Late Afternoon
Sunny
68°/ 35° 20°/ 2°
0%
Monday
Sunny
55°/ 38° 13°/ 3°
0%
Tuesday
Cloudy
58°/ 35° 14°/ 2°
0%
Veterans Day
Sunny
52°11°
0%
Wed Night
Clear
35°2°
0%
Thursday
Sunny
58°/ 38° 14°/ 3°
0%
Friday
Sunny
62°/ 38° 17°/ 3°
0%
Saturday
Sunny
62°/ 38° 17°/ 3°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly sunny. Highs in the 50s to upper 60s. Southwest winds 5 to 10 mph with gusts up to 30 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 30s. West winds 5 to 10 mph. Gusts up to 25 mph in the evening.

Hermosa, SD

Late Afternoon
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Cloudy
62°/ 38° 17°/ 3°
0%
Tuesday
Cloudy
65°/ 40° 18°/ 4°
0%
Veterans Day
Sunny
62°17°
0%
Wed Night
Clear
38°3°
0%
Thursday
Sunny
62°/ 38° 17°/ 3°
0%
Friday
Sunny
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
65°/ 42° 18°/ 6°
0%
Sunday
Cloudy
68°20°
0%

Day: Sunny. Highs in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear. Lows in the lower 40s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Rochelle, WY

Late Afternoon
Sunny
68°/ 35° 20°/ 2°
0%
Monday
Cloudy
58°/ 35° 14°/ 2°
0%
Tuesday
Cloudy
60°/ 35° 16°/ 2°
0%
Veterans Day
Sunny
58°14°
0%
Wed Night
Clear
35°2°
0%
Thursday
Sunny
62°/ 35° 17°/ 2°
0%
Friday
Cloudy
65°/ 38° 18°/ 3°
0%
Saturday
Sunny
65°/ 38° 18°/ 3°
0%
Sunday
Cloudy
65°18°
0%

Day: Mostly sunny. Highs in the upper 60s. South winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear. Lows in the mid 30s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Sundance, WY

Late Afternoon
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
55°/ 38° 13°/ 3°
0%
Tuesday
Cloudy
55°/ 35° 13°/ 2°
0%
Veterans Day
Sunny
52°11°
0%
Wed Night
Clear
38°3°
0%
Thursday
Sunny
60°/ 38° 16°/ 3°
0%
Friday
Sunny
62°/ 40° 17°/ 4°
0%
Saturday
Sunny
62°/ 42° 17°/ 6°
0%
Sunday
Sunny
62°17°
0%

Day: Mostly sunny. Highs in the 50s to upper 60s. South winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 30s. South winds 5 to 10 mph. Gusts up to 20 mph in the evening.

Oral, SD

Late Afternoon
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Cloudy
58°/ 38° 14°/ 3°
0%
Tuesday
Cloudy
65°/ 38° 18°/ 3°
0%
Veterans Day
Sunny
60°16°
0%
Wed Night
Clear
35°2°
0%
Thursday
Sunny
58°/ 35° 14°/ 2°
0%
Friday
Sunny
65°/ 38° 18°/ 3°
0%
Saturday
Sunny
65°/ 40° 18°/ 4°
0%
Sunday
Cloudy
68°20°
0%

Day: Sunny. Near steady temperature in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear. Lows in the upper 30s. Southwest winds 10 to 15 mph.

Lusk, WY

Today
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
62°/ 38° 17°/ 3°
0%
Tuesday
Sunny
62°/ 35° 17°/ 2°
0%
Veterans Day Through Thu Night
Clear
60°16°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°18°
0%

Day: Sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.

Night: Mostly clear. Not as cool with lows in the lower 40s. West winds 10 to 15 mph with gusts up to 25 mph.

Rapid City, SD

Late Afternoon
Sunny
72°/ 45° 22°/ 7°
0%
Monday
Cloudy
62°/ 40° 17°/ 4°
0%
Tuesday
Cloudy
65°/ 42° 18°/ 6°
0%
Veterans Day
Sunny
60°16°
0%
Wed Night
Clear
38°3°
0%
Thursday
Sunny
60°/ 38° 16°/ 3°
0%
Friday
Sunny
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
65°/ 45° 18°/ 7°
0%
Sunday
Cloudy
68°20°
0%

Day: Mostly sunny. Highs in the lower 70s. Southwest winds 10 to 15 mph with gusts up to 30 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s. West winds 5 to 10 mph with gusts up to 20 mph.

Sturgis, SD

Late Afternoon
Sunny
75°/ 42° 24°/ 6°
0%
Monday
Sunny
60°/ 40° 16°/ 4°
0%
Tuesday
Cloudy
62°/ 45° 17°/ 7°
0%
Veterans Day
Sunny
58°14°
0%
Wed Night
Clear
38°3°
0%
Thursday
Sunny
60°/ 38° 16°/ 3°
0%
Friday
Cloudy
65°/ 42° 18°/ 6°
0%
Saturday
Cloudy
65°/ 42° 18°/ 6°
0%
Sunday
Cloudy
65°18°
0%

Day: Mostly sunny. Highs in the mid 70s. West winds 5 to 10 mph with gusts up to 30 mph.

Night: Partly cloudy. Lows in the lower 40s. West winds 5 to 10 mph with gusts up to 20 mph.

Kyle, SD

Late Afternoon
Sunny
70°/ 38° 21°/ 3°
0%
Monday
Cloudy
62°/ 35° 17°/ 2°
0%
Tuesday
Cloudy
65°/ 38° 18°/ 3°
0%
Veterans Day
Sunny
60°16°
0%
Wed Night
Clear
35°2°
0%
Thursday
Sunny
58°/ 35° 14°/ 2°
0%
Friday
Sunny
65°/ 38° 18°/ 3°
0%
Saturday
Sunny
65°/ 40° 18°/ 4°
0%
Sunday
Cloudy
68°20°
0%

Day: Breezy, sunny. Highs around 70. South winds 15 to 25 mph with gusts up to 35 mph.

Night: Mostly clear. Lows in the upper 30s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Harrison, NE

Today
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
60°/ 38° 16°/ 3°
0%
Tuesday
Sunny
62°/ 38° 17°/ 3°
0%
Veterans Day Through Thu Night
Clear
58°14°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°18°
0%

Day: Sunny. Highs in the mid 60s. Temperature falling into the upper 50s this afternoon. Southwest winds 15 to 20 mph with gusts up to 35 mph.

Night: Mostly clear. Lows in the lower 40s. West winds 10 to 15 mph with gusts up to 25 mph.

Box Elder, SD

Late Afternoon
Sunny
70°/ 40° 21°/ 4°
0%
Monday
Cloudy
62°/ 35° 17°/ 2°
0%
Tuesday
Cloudy
62°/ 42° 17°/ 6°
0%
Veterans Day
Sunny
60°16°
0%
Wed Night
Clear
35°2°
0%
Thursday
Sunny
58°/ 32° 14°/ 0°
0%
Friday
Sunny
62°/ 38° 17°/ 3°
0%
Saturday
Sunny
65°/ 38° 18°/ 3°
0%
Sunday
Cloudy
68°20°
0%

Day: Breezy, sunny. Highs around 70. South winds 15 to 25 mph with gusts up to 35 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Lows around 40. West winds 10 to 15 mph. Gusts up to 30 mph, decreasing to 20 mph after midnight.

Folsom, SD

Late Afternoon
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Cloudy
62°/ 35° 17°/ 2°
0%
Tuesday
Cloudy
65°/ 38° 18°/ 3°
0%
Veterans Day
Sunny
62°17°
0%
Wed Night
Clear
35°2°
0%
Thursday
Sunny
60°/ 35° 16°/ 2°
0%
Friday
Sunny
65°/ 38° 18°/ 3°
0%
Saturday
Sunny
65°/ 40° 18°/ 4°
0%
Sunday
Cloudy
68°20°
0%

Day: Sunny. Highs in the upper 60s. South winds 10 to 20 mph with gusts up to 35 mph.

Night: Mostly clear. Lows in the lower 40s. West winds 10 to 15 mph. Gusts up to 25 mph in the evening.

Chadron, NE

Today
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Sunny
60°/ 40° 16°/ 4°
0%
Tuesday
Sunny
65°/ 40° 18°/ 4°
0%
Veterans Day Through Thu
Clear
58°/ 38° 14°/ 3°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°18°
0%

Day: Sunny. Highs in the upper 60s. Temperature falling into the upper 50s this afternoon. Southwest winds 15 to 20 mph with gusts up to 35 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the lower 40s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Bill, WY

Today
Sunny
65°/ 42° 18°/ 6°
0%
Monday
Sunny
62°/ 42° 17°/ 6°
0%
Tuesday
Partly Cloudy
62°/ 35° 17°/ 2°
0%
Wed Night
Clear
35°2°
0%
Thursday
Clear
65°18°
0%
Friday
Clear
65°18°
0%
Saturday
Clear
65°18°
0%

Day: Sunny, breezy with highs in the mid 60s. Southwest winds 15 to 25 mph with gusts up to 45 mph.

Night: Mostly clear in the evening, then becoming partly cloudy. Breezy and not as cool with lows in the lower 40s. West winds 15 to 25 mph with gusts up to 40 mph.

Pine Ridge, SD

Late Afternoon
Sunny
68°/ 38° 20°/ 3°
0%
Monday
Sunny
60°/ 35° 16°/ 2°
0%
Tuesday
Cloudy
65°/ 38° 18°/ 3°
0%
Veterans Day
Sunny
58°14°
0%
Wed Night
Clear
35°2°
0%
Thursday
Sunny
58°/ 35° 14°/ 2°
0%
Friday
Sunny
65°/ 38° 18°/ 3°
0%
Saturday
Sunny
65°/ 42° 18°/ 6°
0%
Sunday
Cloudy
68°20°
0%

Day: Sunny. Highs in the upper 60s. South winds 15 to 20 mph with gusts up to 35 mph.

Night: Mostly clear. Lows in the upper 30s. Southwest winds 10 to 15 mph. Gusts up to 30 mph in the evening.

Names listed above may include county names.

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