Allen, SD Weather Forecast & Current Conditions

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Allen Weather Map
UTC Time: 9/21/2026, 03:23
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Allen, SD Regional Weather

Expires:202609210400;;795687
ASUS43 KFSD 210310
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1000 PM CDT SUN SEP 20 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>074-210400-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLOUDY    55  55 100 E13       30.16R FOG     TC  13   
PIERRE         CLOUDY    57  56  96 E14       30.14R TC  14           
CUSTER         RAIN      49  49 100 W3        30.20R FOG     TC   9   
ELLSWORTH AFB  CLOUDY    58  57  96 E10       30.12R FOG     TC  15   
PHILIP         RAIN      56  55  97 E7        30.15R FOG     TC  13   
SPEARFISH      CLOUDY    54  54 100 E10       30.18S TC  12           
WINNER         CLOUDY    57  56  96 E6        30.14R 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

Allen, SD

Tonight
Thunderstorms
48°
N/A
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Wednesday
Cloudy
72°/ 55° 22°/ 13°
20%
Thursday
Rain Showers
78°/ 52° 26°/ 11°
30%
Friday
Rain Showers
78°/ 55° 26°/ 13°
20%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
72°22°
0%

Night: Showers with a chance of thunderstorms this evening, then showers after midnight. Patchy fog this evening. Areas of fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph. Gusts up to 20 mph this evening.

Long Valley, SD

Tonight
Thunderstorms
48°
90%
Monday
Rain Showers
62°/ 48° 17°/
60%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Wednesday
Cloudy
75°/ 55° 24°/ 13°
20%
Thursday
Rain Showers
78°/ 55° 26°/ 13°
20%
Friday
Rain Showers
78°/ 58° 26°/ 14°
20%
Saturday
Sunny
78°/ 55° 26°/ 13°
0%
Sunday
Cloudy
72°22°
0%

Night: A slight chance of thunderstorms this evening. Showers. Patchy fog this evening. Areas of fog after midnight. Lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Kyle, SD

Tonight
Thunderstorms
48°
90%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Rain Showers
70°/ 55° 21°/ 13°
20%
Wednesday
Cloudy
78°/ 55° 26°/ 13°
0%
Thursday
Rain Showers
80°/ 55° 27°/ 13°
20%
Friday
Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Sunny
80°/ 52° 27°/ 11°
0%
Sunday
Cloudy
75°24°
0%

Night: Showers with a chance of thunderstorms this evening, then showers likely after midnight. Patchy fog this evening. Areas of fog after midnight. Lows in the upper 40s. Northeast winds 10 to 15 mph. Gusts up to 25 mph this evening. Chance of rain 90 percent.

Pine Ridge, SD

Tonight
Thunderstorms
48°
90%
Monday
Rain Showers
65°/ 48° 18°/
50%
Tuesday
Rain Showers
68°/ 55° 20°/ 13°
30%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
20%
Thursday
Rain Showers
78°/ 55° 26°/ 13°
20%
Friday
Cloudy
80°/ 55° 27°/ 13°
0%
Saturday
Sunny
80°/ 52° 27°/ 11°
0%
Sunday
Cloudy
75°24°
0%

Night: Showers with a chance of thunderstorms this evening, then showers likely after midnight. Patchy fog. Lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Cody, NE

Tonight
Thunderstorms
48°
70%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
20%
Wednesday
Mostly Cloudy
72°/ 52° 22°/ 11°
20%
Thursday
Rain Showers
75°/ 52° 24°/ 11°
30%
Friday
Rain Showers
75°/ 55° 24°/ 13°
20%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Sunny
75°24°
0%

Night: Showers likely and a chance of thunderstorms in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Patchy fog. Lows in the upper 40s. East winds up to 10 mph, becoming northeast after midnight. Chance of precipitation 70 percent.

Kadoka, SD

Tonight
Thunderstorms
48°
90%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Wednesday
Cloudy
75°/ 55° 24°/ 13°
30%
Thursday
Cloudy
78°/ 52° 26°/ 11°
20%
Friday
Rain Showers
78°/ 55° 26°/ 13°
20%
Saturday
Cloudy
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
72°22°
0%

Night: A slight chance of thunderstorms this evening. Showers. Patchy fog this evening. Areas of fog after midnight. Lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Box Elder, SD

Tonight
Thunderstorms
48°
N/A
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Cloudy
78°/ 55° 26°/ 13°
20%
Thursday
Cloudy
80°/ 55° 27°/ 13°
20%
Friday
Rain Showers
80°/ 55° 27°/ 13°
20%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
72°22°
0%

Night: A slight chance of thunderstorms this evening. Showers. Patchy fog this evening. Areas of fog after midnight. Lows in the upper 40s. East winds 10 to 15 mph. Gusts up to 25 mph this evening.

Gordon, NE

Tonight
Thunderstorms
48°
70%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Wednesday
Partly Cloudy
72°/ 52° 22°/ 11°
20%
Thursday
Rain Showers
75°/ 52° 24°/ 11°
30%
Friday
Mostly Cloudy
75°/ 55° 24°/ 13°
0%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Sunny
75°24°
0%

Night: Mostly cloudy. Showers likely and a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog. Lows in the upper 40s. Northeast winds up to 10 mph, becoming northwest after midnight. Chance of precipitation 70 percent.

White River, SD

Tonight
Thunderstorms
50°10°
N/A
Monday
Rain Showers
60°/ 45° 16°/
60%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
20%
Wednesday
Rain Showers
72°/ 55° 22°/ 13°
30%
Thursday
Rain Showers
78°/ 55° 26°/ 13°
30%
Friday
Rain Showers
75°/ 58° 24°/ 14°
20%
Saturday
Cloudy
78°/ 55° 26°/ 13°
0%
Sunday
Cloudy
72°22°
0%

Night: A slight chance of thunderstorms this evening. Showers. Patchy fog this evening. Areas of fog after midnight. Lows around 50. East winds 10 to 15 mph with gusts up to 25 mph.

Mission, SD

Tonight
Thunderstorms
48°
N/A
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Rain Showers
62°/ 50° 17°/ 10°
20%
Wednesday
Mostly Cloudy
70°/ 55° 21°/ 13°
30%
Thursday
Rain Showers
75°/ 52° 24°/ 11°
30%
Friday
Rain Showers
75°/ 55° 24°/ 13°
20%
Saturday
Cloudy
75°/ 52° 24°/ 11°
0%
Sunday
Cloudy
72°22°
0%

Night: Showers with a slight chance of thunderstorms. Patchy fog this evening. Areas of fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph with gusts up to 20 mph.

Philip, SD

Tonight
Thunderstorms
48°
N/A
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Thunderstorms
75°/ 52° 24°/ 11°
40%
Thursday
Rain Showers
78°/ 52° 26°/ 11°
20%
Friday
Rain Showers
78°/ 55° 26°/ 13°
20%
Saturday
Cloudy
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
72°22°
0%

Night: A slight chance of thunderstorms this evening. Showers. Patchy fog. Lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph.

Folsom, SD

Tonight
Thunderstorms
48°
90%
Monday
Rain Showers
62°/ 45° 17°/
30%
Tuesday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Rain Showers
82°/ 52° 28°/ 11°
20%
Friday
Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Sunny
80°/ 52° 27°/ 11°
0%
Sunday
Cloudy
75°24°
0%

Night: Cloudy. Showers with a chance of thunderstorms this evening, then a chance of showers after midnight. Patchy fog this evening, then areas of fog after midnight. Lows in the upper 40s. Northeast winds 5 to 10 mph. Gusts up to 20 mph this evening. Chance of rain 90 percent.

Chadron, NE

Afternoon
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Partly Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Mostly Cloudy
80°27°
0%
Thursday
Mostly Cloudy
80°27°
0%
Friday
Mostly Cloudy
80°/ 58° 27°/ 14°
0%

Day: Showers with a chance of thunderstorms. Highs in the mid 60s. West winds around 10 mph with gusts up to 20 mph. Chance of rain 90 percent.

Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Patchy fog after midnight. Lows in the upper 40s. Northwest winds 5 to 10 mph. Chance of rain 70 percent.

Valentine, NE

Tonight
Thunderstorms
50°10°
70%
Monday
Rain Showers
62°/ 45° 17°/
50%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
30%
Wednesday
Mostly Cloudy
68°/ 55° 20°/ 13°
40%
Thursday
Rain Showers
75°/ 52° 24°/ 11°
40%
Friday
Rain Showers
72°/ 55° 22°/ 13°
20%
Saturday
Sunny
75°/ 55° 24°/ 13°
0%
Sunday
Sunny
72°22°
0%

Night: Showers likely. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Patchy fog. Lows around 50. East winds around 10 mph in the evening, becoming light and variable. Chance of precipitation 70 percent.

Oral, SD

Tonight
Thunderstorms
48°
90%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
20%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Rain Showers
82°/ 55° 28°/ 13°
20%
Friday
Cloudy
82°/ 55° 28°/ 13°
0%
Saturday
Sunny
82°/ 52° 28°/ 11°
0%
Sunday
Cloudy
78°26°
0%

Night: Showers with a chance of thunderstorms this evening, then showers likely after midnight. Patchy fog. Lows in the upper 40s. North winds 5 to 10 mph. Gusts up to 20 mph this evening. Chance of rain 90 percent.

Murdo, SD

Tonight
Rain Showers
50°10°
90%
Monday
Rain Showers
60°/ 45° 16°/
70%
Tuesday
Mostly Cloudy
65°/ 52° 18°/ 11°
20%
Wednesday
Partly Cloudy
72°/ 55° 22°/ 13°
30%
Thursday
Rain Showers
78°/ 55° 26°/ 13°
30%
Fri-Fri Night
Rain Showers
75°24°
20%
Sat-Sat Night
Cloudy
78°26°
0%
Sunday
Partly Cloudy
72°22°
0%

Night: Showers. Lows around 50. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Hermosa, SD

Tonight
Thunderstorms
48°
90%
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
20%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Rain Showers
78°/ 55° 26°/ 13°
20%
Friday
Cloudy
80°/ 55° 27°/ 13°
0%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
72°22°
0%

Night: Cloudy. Showers with a chance of thunderstorms this evening, then a chance of showers after midnight. Areas of fog. Lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Pringle, SD

Tonight
Thunderstorms
48°
90%
Monday
Thunderstorms
60°/ 48° 16°/
50%
Tuesday
Rain Showers
65°/ 52° 18°/ 11°
20%
Wednesday
Cloudy
72°/ 52° 22°/ 11°
0%
Thursday
Cloudy
75°/ 55° 24°/ 13°
0%
Friday
Cloudy
75°/ 55° 24°/ 13°
0%
Saturday
Cloudy
75°/ 52° 24°/ 11°
0%
Sunday
Cloudy
70°21°
0%

Night: Mostly cloudy. Showers with a chance of thunderstorms this evening, then a chance of showers after midnight. Patchy fog this evening, then areas of fog after midnight. Lows in the upper 40s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Ellsworth AFB, SD

Tonight
Thunderstorms
48°
N/A
Monday
Rain Showers
62°/ 48° 17°/
30%
Tuesday
Cloudy
68°/ 52° 20°/ 11°
0%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
20%
Thursday
Cloudy
80°/ 55° 27°/ 13°
20%
Friday
Cloudy
80°/ 55° 27°/ 13°
0%
Saturday
Cloudy
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
72°22°
0%

Night: Showers with a slight chance of thunderstorms this evening, then showers likely after midnight. Patchy fog this evening. Areas of fog after midnight. Lows in the upper 40s. East winds 10 to 15 mph with gusts up to 25 mph.

Hot Springs, SD

Tonight
Thunderstorms
48°
90%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Cloudy
70°/ 55° 21°/ 13°
0%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Rain Showers
78°/ 55° 26°/ 13°
20%
Friday
Cloudy
80°/ 55° 27°/ 13°
0%
Saturday
Sunny
78°/ 52° 26°/ 11°
0%
Sunday
Cloudy
75°24°
0%

Night: Mostly cloudy. Showers with a chance of thunderstorms this evening, then a chance of showers after midnight. Patchy fog. Lows in the upper 40s. Northeast winds 5 to 10 mph. Gusts up to 20 mph this evening. Chance of rain 90 percent.

Names listed above may include county names.

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