Lyon School, SD Weather Forecast & Current Conditions

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Lyon School, SD Weather Maps

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Lyon School Weather Map
UTC Time: 9/21/2026, 15:20
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

Lyon School, SD Regional Weather

Expires:202609211600;;822403
ASUS43 KFSD 211502
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1000 AM CDT MON SEP 21 2026

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



SDZ038>040-050-052>070-211600-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      NOT AVBL                                               
HURON          NOT AVBL                                               
MITCHELL       NOT AVBL                                               
SIOUX FALLS    NOT AVBL                                               
YANKTON        NOT AVBL                                               
$$


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

Lyon School, SD

Today
Rain Showers
55°/ 48° 13°/
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
0%
Friday
Rain Showers
70°/ 55° 21°/ 13°
40%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Partly Cloudy
72°22°
0%

Day: Cloudy. Drizzle early this morning, then a chance of drizzle and showers this afternoon. Patchy fog. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain 50 percent.

Night: Cloudy. Patchy fog. Lows in the upper 40s. East winds 5 to 10 mph.

Fort Thompson, SD

Today
Rain Showers
58°/ 45° 14°/
90%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
40%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 52° 22°/ 11°
20%
Fri-Fri Night
Rain Showers
70°21°
30%
Saturday
Mostly Cloudy
70°/ 55° 21°/ 13°
20%
Sunday
Rain Showers
72°22°
20%

Day: Cloudy. Showers, mainly this morning. Highs in the upper 50s. East winds 10 to 15 mph. Chance of rain 90 percent.

Night: Mostly cloudy in the evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 40s. East winds 5 to 10 mph.

Plankinton, SD

Today
Rain Showers
55°/ 48° 13°/
100%
Tuesday
Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Rain Showers
70°/ 55° 21°/ 13°
40%
Saturday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Partly Cloudy
72°22°
0%

Day: Showers and drizzle early this morning, then showers likely this afternoon. Patchy fog. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. Patchy fog. Lows in the upper 40s. East winds 5 to 10 mph.

Kennebec, SD

Today
Rain Showers
58°/ 45° 14°/
80%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
50%
Wednesday
Rain Showers
72°/ 55° 22°/ 13°
50%
Thu-Thu Night
Mostly Cloudy
75°24°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
30%
Saturday
Partly Cloudy
75°/ 52° 24°/ 11°
0%
Sunday
Rain Showers
72°22°
20%

Day: Cloudy. Showers, mainly this morning. Highs in the upper 50s. East winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 80 percent.

Night: Mostly cloudy. Lows in the mid 40s. East winds 10 to 15 mph.

Wessington Springs, SD

Today
Rain Showers
55°/ 48° 13°/
100%
Tuesday
Cloudy
60°/ 48° 16°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Partly Cloudy
72°22°
0%

Day: Showers. Patchy fog. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. Patchy drizzle after midnight. Patchy fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph.

Miller, SD

Today
Rain Showers
58°/ 45° 14°/
100%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
20%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thu-Thu Night
Mostly Cloudy
72°22°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
40%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
20%

Day: Showers, mainly this morning. Highs in the upper 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. Patchy fog. Lows in the mid 40s. East winds 5 to 10 mph.

Wagner, SD

Today
Rain Showers
55°/ 48° 13°/
100%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
30%
Friday
Rain Showers
68°/ 58° 20°/ 14°
40%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Mostly Cloudy
72°22°
0%

Day: Showers, drizzle. Patchy fog. Near steady temperature in the mid 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. Patchy fog. Lows in the upper 40s. East winds 5 to 10 mph.

Highmore, SD

Today
Rain Showers
58°/ 42° 14°/
90%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
40%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thu-Thu Night
Mostly Cloudy
72°22°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
30%
Saturday
Mostly Cloudy
70°/ 52° 21°/ 11°
20%
Sunday
Rain Showers
70°21°
20%

Day: Mostly cloudy. Showers, mainly this morning. Highs in the upper 50s. East winds 10 to 15 mph. Chance of rain 90 percent.

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

Armour, SD

Today
Rain Showers
55°/ 52° 13°/ 11°
100%
Tuesday
Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
30%
Friday
Rain Showers
68°/ 58° 20°/ 14°
40%
Saturday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Sunday
Mostly Cloudy
72°22°
0%

Day: Showers. Patchy fog. Drizzle this afternoon. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. Patchy fog. Near steady temperature in the lower 50s. East winds 5 to 10 mph.

Woonsocket, SD

Today
Rain Showers
58°/ 48° 14°/
100%
Tuesday
Drizzle
62°/ 48° 17°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
60%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Rain Showers
70°/ 58° 21°/ 14°
40%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Mostly Cloudy
72°22°
0%

Day: Showers. Patchy fog. Highs in the upper 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. Patchy drizzle after midnight. Patchy fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph.

Mitchell, SD

Today
Rain Showers
55°/ 48° 13°/
100%
Tuesday
Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
60%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Rain Showers
70°/ 58° 21°/ 14°
40%
Saturday
Cloudy
70°/ 55° 21°/ 13°
0%
Sunday
Mostly Cloudy
72°22°
0%

Day: Showers. Patchy fog. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. Patchy fog. Patchy drizzle after midnight. Lows in the upper 40s. East winds 5 to 10 mph.

Huron, SD

Today
Rain Showers
58°/ 48° 14°/
100%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Rain Showers
70°/ 55° 21°/ 13°
40%
Saturday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Partly Cloudy
72°22°
0%

Day: Patchy fog early this morning. Showers early this morning, then a chance of showers and drizzle this afternoon. Highs in the upper 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Mostly cloudy. Patchy drizzle after midnight. Patchy fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph.

Gregory, SD

Today
Rain Showers
55°/ 48° 13°/
90%
Tuesday
Mostly Cloudy
60°/ 48° 16°/
50%
Wednesday
Rain Showers
68°/ 55° 20°/ 13°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Mostly Cloudy
72°/ 55° 22°/ 13°
0%
Sunday
Partly Cloudy
72°22°
0%

Day: Drizzle likely with showers early this morning, then a chance of drizzle this afternoon. Patchy fog. Near steady temperature in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 90 percent.

Night: Cloudy. Patchy fog. Lows in the upper 40s. East winds 5 to 10 mph.

Alexandria, SD

Today
Rain Showers
55°/ 48° 13°/
100%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
70%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
0%
Friday
Rain Showers
70°/ 58° 21°/ 14°
40%
Saturday
Cloudy
68°/ 58° 20°/ 14°
30%
Sunday
Mostly Cloudy
75°24°
0%

Day: Showers. Patchy fog. Drizzle this afternoon. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. A slight chance of drizzle in the evening, then patchy drizzle after midnight. Patchy fog. Lows in the upper 40s. East winds 5 to 10 mph.

Pierre, SD

Today
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
20%
Wednesday
Rain Showers
70°/ 52° 21°/ 11°
40%
Thu-Thu Night
Mostly Cloudy
75°24°
0%
Fri-Fri Night
Rain Showers
72°22°
20%
Saturday
Partly Cloudy
72°/ 52° 22°/ 11°
0%
Sunday
Rain Showers
72°22°
20%

Day: Mostly cloudy with a 50 percent chance of showers. Highs in the upper 50s. East winds 10 to 15 mph.

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

Parkston, SD

Today
Rain Showers
55°/ 52° 13°/ 11°
100%
Tuesday
Mostly Cloudy
62°/ 50° 17°/ 10°
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
70%
Thursday
Rain Showers
68°/ 55° 20°/ 13°
50%
Friday
Rain Showers
68°/ 58° 20°/ 14°
50%
Saturday
Cloudy
68°/ 58° 20°/ 14°
0%
Sunday
Mostly Cloudy
72°22°
0%

Day: Showers. Patchy fog. Drizzle this afternoon. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. A chance of drizzle in the evening, then patchy drizzle after midnight. Patchy fog. Near steady temperature in the lower 50s. East winds 5 to 10 mph.

Howard, SD

Today
Rain Showers
55°/ 48° 13°/
100%
Tuesday
Drizzle
62°/ 48° 17°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
70%
Thursday
Mostly Cloudy
68°/ 55° 20°/ 13°
0%
Friday
Rain Showers
68°/ 55° 20°/ 13°
50%
Saturday
Cloudy
68°/ 55° 20°/ 13°
30%
Sunday
Mostly Cloudy
72°22°
0%

Day: Showers. Patchy fog. Drizzle this afternoon. Cooler. Near steady temperature in the mid 50s. East winds around 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. A slight chance of drizzle in the evening, then areas of drizzle after midnight. Patchy fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph.

Redfield, SD

Today
Rain Showers
60°/ 45° 16°/
50%
Tuesday
Partly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
70%
Thu-Thu Night
Mostly Cloudy
72°22°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
40%
Saturday
Rain Showers
70°21°
20%
Sunday
Rain Showers
70°21°
20%

Day: Mostly cloudy. A chance of showers, mainly this morning. Highs around 60. East winds 5 to 10 mph. Chance of rain 50 percent.

Night: Partly cloudy in the evening, then becoming mostly cloudy. Patchy fog. Lows in the mid 40s. Southeast winds 5 to 10 mph.

De Smet, SD

Today
Rain Showers
55°/ 48° 13°/
100%
Tuesday
Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
70%
Thursday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%
Friday
Rain Showers
68°/ 55° 20°/ 13°
40%
Saturday
Cloudy
65°/ 55° 18°/ 13°
30%
Sunday
Mostly Cloudy
72°22°
0%

Day: Patchy fog early this morning. Showers. A chance of drizzle this afternoon. Near steady temperature in the mid 50s. East winds 5 to 10 mph with gusts up to 20 mph. Chance of rain near 100 percent.

Night: Cloudy. A slight chance of drizzle in the evening, then patchy drizzle after midnight. Patchy fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph.

Faulkton, SD

Today
Rain Showers
58°/ 42° 14°/
50%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
40%
Wednesday
Rain Showers
68°/ 52° 20°/ 11°
50%
Thu-Thu Night
Mostly Cloudy
72°22°
0%
Friday
Rain Showers
72°/ 55° 22°/ 13°
40%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
20%
Sunday
Rain Showers
70°21°
20%

Day: Mostly cloudy. A chance of showers, mainly this morning. Highs in the upper 50s. East winds 5 to 10 mph. Chance of rain 50 percent.

Night: Partly cloudy. Patchy fog. Lows in the lower 40s. Southeast winds 5 to 10 mph.

Names listed above may include county names.

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