Simon School, SD Weather Forecast & Current Conditions

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Simon School Weather Map
UTC Time: 9/18/2026, 16:50
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Simon School, SD Regional Weather

Expires:202609181700;;661529
ASUS43 KFSD 181610
RWRSD 

WEATHER ROUNDUP FOR SOUTH DAKOTA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1100 AM CDT FRI SEP 18 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>074-181700-
SOUTHWEST AND SOUTH CENTRAL SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
RAPID CTY ARPT CLOUDY    62  61  96 N6        30.09S TC  17           
PIERRE         CLOUDY    62  62 100 E9        30.01S FOG     TC  17   
CUSTER         SUNNY     70  51  51 W8        30.18S TC  21           
ELLSWORTH AFB  CLOUDY    63  61  94 N10       30.05S TC  17           
PHILIP         CLOUDY    67  64  90 W9        30.04R TC  19           
SPEARFISH      CLOUDY    59  59 100 NW3       30.12S TC  15           
WINNER         CLOUDY    68  66  93 SE7       30.03S TC  20           
$$
 

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

Simon School, SD

Today
Cloudy
75°/ 55° 24°/ 13°
50%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
70%
Sunday
Thunderstorms
62°/ 50° 17°/ 10°
N/A
Monday
Rain Showers
65°/ 48° 18°/
50%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
20%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
80°27°
0%

Day: Patchy fog this morning. Cloudy. Highs in the mid 70s. North winds 10 to 15 mph.

Night: Partly cloudy in the evening, then cloudy with a chance of showers after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 50 percent.

Ellsworth AFB, SD

Today
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
90%
Sunday
Thunderstorms
62°/ 50° 17°/ 10°
N/A
Monday
Rain Showers
65°/ 50° 18°/ 10°
50%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
20%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
80°27°
0%

Day: Patchy fog this morning. Mostly cloudy. Highs in the mid 70s. North winds 5 to 10 mph. Gusts up to 20 mph this afternoon.

Night: Partly cloudy in the evening, then cloudy with a chance of showers after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 40 percent.

Folsom, SD

Today
Mostly Cloudy
78°/ 55° 26°/ 13°
50%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
60%
Sunday
Thunderstorms
65°/ 48° 18°/
N/A
Monday
Rain Showers
65°/ 48° 18°/
50%
Tuesday
Rain Showers
75°/ 52° 24°/ 11°
40%
Wednesday
Thunderstorms
80°/ 52° 27°/ 11°
20%
Thursday
Sunny
82°28°
0%

Day: Patchy fog this morning. Mostly cloudy. Highs in the upper 70s. North winds 5 to 10 mph. Gusts up to 20 mph this afternoon.

Night: Partly cloudy with a slight chance of showers in the evening, then cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 50 percent.

Rapid City, SD

Today
Cloudy
75°/ 55° 24°/ 13°
60%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
80%
Sunday
Thunderstorms
60°/ 50° 16°/ 10°
N/A
Monday
Rain Showers
62°/ 50° 17°/ 10°
50%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
30%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
30%
Thursday
Sunny
78°26°
0%

Day: Becoming partly cloudy. Areas of fog this morning. Highs in the mid 70s. North winds 5 to 10 mph. Gusts up to 20 mph this afternoon.

Night: Partly cloudy with a chance of showers in the evening, then cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 60 percent.

Kyle, SD

Today
Mostly Cloudy
75°/ 55° 24°/ 13°
40%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
60%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
68°/ 48° 20°/
40%
Tuesday
Rain Showers
75°/ 52° 24°/ 11°
40%
Wednesday
Rain Showers
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
82°28°
0%

Day: Patchy fog this morning. Mostly cloudy. Highs in the mid 70s. North winds 10 to 15 mph.

Night: Partly cloudy in the evening, then cloudy with a chance of showers after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 40 percent.

Hermosa, SD

Today
Cloudy
78°/ 55° 26°/ 13°
60%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Sunday
Thunderstorms
62°/ 50° 17°/ 10°
N/A
Monday
Rain Showers
65°/ 50° 18°/ 10°
50%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
40%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
30%
Thursday
Sunny
80°27°
0%

Day: Becoming partly cloudy. Patchy fog this morning. Highs in the upper 70s. Northeast winds 5 to 10 mph. Gusts up to 20 mph this afternoon.

Night: Mostly cloudy. A slight chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 60 percent.

Kadoka, SD

Today
Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
80%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
30%
Wednesday
Thunderstorms
75°/ 52° 24°/ 11°
30%
Thursday
Cloudy
78°26°
0%

Day: Patchy fog this morning. Cloudy. Highs in the lower 70s. North winds 10 to 15 mph.

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

Sturgis, SD

Today
Cloudy
75°/ 55° 24°/ 13°
60%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
80%
Sunday
Thunderstorms
60°/ 50° 16°/ 10°
N/A
Monday
Rain Showers
65°/ 52° 18°/ 11°
50%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
20%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
30%
Thursday
Sunny
78°26°
0%

Day: Cloudy this morning, then becoming partly cloudy. Areas of fog this morning. Highs in the mid 70s. North winds 5 to 10 mph. Gusts up to 20 mph this afternoon.

Night: Partly cloudy with a slight chance of showers in the evening, then cloudy with showers likely after midnight. Lows in the mid 50s. Southeast winds 5 to 10 mph. Chance of rain 60 percent.

Philip, SD

Today
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
80%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tuesday
Rain Showers
72°/ 52° 22°/ 11°
30%
Wednesday
Rain Showers
75°/ 52° 24°/ 11°
20%
Thursday
Cloudy
78°26°
0%

Day: Areas of fog this morning. Cloudy. Highs in the lower 70s. Northeast winds 10 to 15 mph.

Night: Cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.

Faith, SD

Today
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
90%
Sunday
Rain Showers
62°/ 48° 17°/
80%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
20%
Wednesday
Thunderstorms
75°/ 52° 24°/ 11°
20%
Thursday
Cloudy
78°26°
0%

Day: Patchy fog this morning. Cloudy. Highs in the lower 70s. Northeast winds 10 to 15 mph.

Night: Mostly cloudy. Lows in the lower 50s. East winds 5 to 10 mph.

Hill City, SD

Today
Thunderstorms
75°/ 52° 24°/ 11°
70%
Saturday
Thunderstorms
65°/ 50° 18°/ 10°
90%
Sunday
Thunderstorms
58°/ 48° 14°/
N/A
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Rain Showers
65°/ 50° 18°/ 10°
40%
Wednesday
Thunderstorms
72°/ 50° 22°/ 10°
40%
Thursday
Sunny
75°24°
0%

Day: Becoming partly cloudy. Patchy fog this morning. A slight chance of showers and thunderstorms this afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Night: Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the lower 50s. East winds around 5 mph, becoming west after midnight. Chance of rain 70 percent.

Dupree, SD

Today
Cloudy
72°/ 52° 22°/ 11°
0%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
70%
Sunday
Rain Showers
62°/ 48° 17°/
90%
Monday
Rain Showers
65°/ 48° 18°/
30%
Tuesday
Mostly Cloudy
72°/ 52° 22°/ 11°
30%
Wednesday
Thunderstorms
75°/ 52° 24°/ 11°
20%
Thursday
Cloudy
78°26°
0%

Day: Areas of fog this morning. Cloudy. Highs in the lower 70s. Northeast winds 10 to 15 mph. Gusts up to 20 mph this morning.

Night: Cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.

Lead, SD

Today
Cloudy
72°/ 48° 22°/
70%
Saturday
Thunderstorms
62°/ 45° 17°/
90%
Sunday
Thunderstorms
55°/ 42° 13°/
N/A
Monday
Rain Showers
58°/ 42° 14°/
70%
Tuesday
Rain Showers
68°/ 45° 20°/
20%
Wednesday
Thunderstorms
70°/ 45° 21°/
40%
Thursday
Sunny
72°22°
0%

Day: Patchy fog this morning. Partly cloudy. Highs in the lower 70s. North winds 5 to 10 mph.

Night: Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the upper 40s. Southeast winds around 5 mph, becoming southwest after midnight. Chance of rain 70 percent.

Long Valley, SD

Today
Cloudy
72°/ 55° 22°/ 13°
0%
Saturday
Rain Showers
65°/ 52° 18°/ 11°
90%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
90%
Monday
Rain Showers
65°/ 48° 18°/
40%
Tuesday
Rain Showers
72°/ 55° 22°/ 13°
30%
Wednesday
Thunderstorms
75°/ 55° 24°/ 13°
20%
Thursday
Sunny
78°26°
0%

Day: Patchy fog this morning. Cloudy. Highs in the lower 70s. Northwest winds 10 to 15 mph.

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

Pringle, SD

Today
Cloudy
75°/ 55° 24°/ 13°
70%
Saturday
Thunderstorms
68°/ 52° 20°/ 11°
70%
Sunday
Thunderstorms
62°/ 48° 17°/
N/A
Monday
Rain Showers
62°/ 48° 17°/
50%
Tuesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Wednesday
Thunderstorms
75°/ 52° 24°/ 11°
30%
Thursday
Sunny
78°26°
0%

Day: Patchy fog this morning. Partly cloudy. Highs in the mid 70s. Northwest winds around 5 mph, becoming south with gusts up to 20 mph this afternoon.

Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 70 percent.

Pine Ridge, SD

Today
Cloudy
75°/ 55° 24°/ 13°
50%
Saturday
Rain Showers
70°/ 52° 21°/ 11°
70%
Sunday
Thunderstorms
65°/ 48° 18°/
90%
Monday
Rain Showers
68°/ 48° 20°/
40%
Tuesday
Rain Showers
75°/ 52° 24°/ 11°
40%
Wednesday
Cloudy
78°/ 52° 26°/ 11°
0%
Thursday
Sunny
82°28°
0%

Day: Becoming partly cloudy. Patchy fog this morning. Highs in the mid 70s. Northwest winds 5 to 10 mph. Gusts up to 20 mph this afternoon.

Night: Partly cloudy in the evening, then cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 50 percent.

Belle Fourche, SD

Today
Cloudy
75°/ 55° 24°/ 13°
50%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
70%
Sunday
Thunderstorms
62°/ 48° 17°/
90%
Monday
Rain Showers
65°/ 48° 18°/
20%
Tuesday
Cloudy
72°/ 52° 22°/ 11°
0%
Wednesday
Thunderstorms
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
78°26°
0%

Day: Cloudy this morning, then becoming partly cloudy. Areas of fog this morning. Highs in the mid 70s. East winds 5 to 10 mph.

Night: Partly cloudy with a slight chance of showers in the evening, then cloudy with a chance of showers after midnight. Lows in the mid 50s. East winds 10 to 15 mph. Chance of rain 50 percent.

Spearfish, SD

Today
Cloudy
75°/ 55° 24°/ 13°
70%
Saturday
Thunderstorms
65°/ 52° 18°/ 11°
90%
Sunday
Thunderstorms
60°/ 48° 16°/
90%
Monday
Rain Showers
65°/ 50° 18°/ 10°
60%
Tuesday
Rain Showers
75°/ 52° 24°/ 11°
20%
Wednesday
Thunderstorms
75°/ 52° 24°/ 11°
30%
Thursday
Sunny
78°26°
0%

Day: Becoming partly cloudy. Areas of fog this morning. Highs in the mid 70s. North winds 5 to 10 mph.

Night: Partly cloudy with a chance of showers in the evening, then cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the mid 50s. East winds 5 to 10 mph. Chance of rain 70 percent.

Oral, SD

Today
Cloudy
78°/ 55° 26°/ 13°
50%
Saturday
Thunderstorms
70°/ 55° 21°/ 13°
70%
Sunday
Thunderstorms
65°/ 50° 18°/ 10°
90%
Monday
Rain Showers
68°/ 50° 20°/ 10°
40%
Tuesday
Rain Showers
75°/ 52° 24°/ 11°
40%
Wednesday
Rain Showers
80°/ 52° 27°/ 11°
20%
Thursday
Sunny
82°28°
0%

Day: Patchy fog this morning. Partly cloudy. Highs in the upper 70s. West winds 5 to 10 mph, becoming northeast 10 to 15 mph this afternoon.

Night: Mostly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the mid 50s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of rain 50 percent.

Hot Springs, SD

Today
Cloudy
78°/ 58° 26°/ 14°
70%
Saturday
Thunderstorms
68°/ 55° 20°/ 13°
70%
Sunday
Thunderstorms
65°/ 50° 18°/ 10°
90%
Monday
Rain Showers
65°/ 50° 18°/ 10°
40%
Tuesday
Rain Showers
75°/ 52° 24°/ 11°
40%
Wednesday
Rain Showers
78°/ 52° 26°/ 11°
20%
Thursday
Sunny
80°27°
0%

Day: Patchy fog this morning. Partly cloudy. Highs in the upper 70s. West winds 5 to 10 mph, becoming east 10 to 15 mph this afternoon.

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

Names listed above may include county names.

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