St. Thomas School, SD Weather Forecast & Current Conditions

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Saint Thomas School Weather Map
UTC Time: 9/14/2026, 10:04
Your Time:

Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

St. Thomas School, SD Regional Weather

Expires:202609141100;;430943
ASUS43 KFSD 141002
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
500 AM CDT MON SEP 14 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>070-141100-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      CLOUDY    59  49  69 SE15      29.96F TC  15           
CHAMBERLAIN    CLOUDY    56  55  95 SE16G24   29.89F TC  14           
HURON          LGT RAIN  59  53  80 SE8G30    29.93R TC  15           
MADISON        CLOUDY    59  50  72 SE22      29.99F TC  15           
MITCHELL       TSTM      59  54  83 SE12      29.97F TC  15           
SIOUX FALLS    CLOUDY    60  50  69 SE17G32   29.98F TC  16           
WINNER         MOCLDY    57  53  86 SE16G29   29.83F TC  14           
YANKTON        HVY RAIN  57  55  93 SE20G26   29.97F FOG     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

Saint Thomas School, SD

Today
Thunderstorms
70°/ 50° 21°/ 10°
90%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
70%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Saturday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%

Day: A chance of thunderstorms. Showers, breezy with highs around 70. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent.

Madison, SD

Today
Thunderstorms
70°/ 50° 21°/ 10°
90%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
70%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Day: Showers with a chance of thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. Breezy with highs around 70. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Clear Lake, SD

Today
Thunderstorms
68°/ 50° 20°/ 10°
100%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
40%
Thu Night
Thunderstorms
55°13°
50%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Saturday
Rain Showers
68°/ 50° 20°/ 10°
20%

Day: A chance of thunderstorms. Showers, breezy with highs in the upper 60s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent.

Night: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows around 50. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 40 percent.

De Smet, SD

Today
Thunderstorms
68°/ 48° 20°/
90%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
70%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Saturday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%

Day: Showers with a chance of thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. Breezy with highs in the upper 60s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the upper 40s. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 20 percent.

Hayti, SD

Today
Thunderstorms
68°/ 48° 20°/
90%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
40%
Thu Night
Thunderstorms
55°13°
60%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Saturday
Rain Showers
68°20°
20%

Day: Showers with a chance of thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. Breezy with highs in the upper 60s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a slight chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the upper 40s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.

Flandreau, SD

Today
Thunderstorms
70°/ 50° 21°/ 10°
90%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
70%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Saturday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%

Day: A chance of thunderstorms. Showers, breezy with highs around 70. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 50. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Tyler, MN

Today
Thunderstorms
68°/ 52° 20°/ 11°
90%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
60%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Day: A chance of thunderstorms. Showers, breezy with highs in the upper 60s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.

Pipestone, MN

Today
Thunderstorms
68°/ 50° 20°/ 10°
90%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
70%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
80%
Saturday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%

Day: A chance of thunderstorms. Showers, breezy with highs in the upper 60s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows around 50. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 30 percent.

Sioux Falls, SD

Today
Thunderstorms
72°/ 52° 22°/ 11°
90%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 58° 22°/ 14°
80%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Saturday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%

Day: Mostly cloudy with a chance of thunderstorms. Showers, mainly this morning. Breezy with highs in the lower 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 50s. West winds 10 to 15 mph. Chance of rain 20 percent.

Marshall, MN

Today
Thunderstorms
70°/ 52° 21°/ 11°
90%
Tuesday
Sunny
72°/ 48° 22°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
60%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Day: A chance of thunderstorms. Showers, breezy with highs around 70. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.

Watertown, SD

Today
Thunderstorms
68°/ 48° 20°/
100%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
40%
Thu Night
Rain Showers
55°13°
50%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Saturday
Rain Showers
68°/ 50° 20°/ 10°
20%

Day: Showers with a chance of thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. Breezy with highs in the upper 60s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent.

Night: Mostly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the upper 40s. West winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 20 percent.

Granite Falls, MN

Today
Thunderstorms
68°/ 52° 20°/ 11°
100%
Tuesday
Sunny
72°/ 48° 22°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Partly Cloudy
72°/ 55° 22°/ 13°
50%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Saturday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%

Day: Breezy. Rain showers in the morning. Chance of thunderstorms. Rain showers likely in the afternoon. Locally heavy rainfall possible in the morning. Highs in the upper 60s. Southeast winds 10 to 15 mph increasing to 15 to 25 mph with gusts to around 40 mph. Chance of precipitation near 100 percent.

Night: Mostly cloudy with a 20 percent chance of thunderstorms in the evening, then mostly clear after midnight. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts to around 30 mph.

Howard, SD

Today
Thunderstorms
72°/ 50° 22°/ 10°
90%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 58° 22°/ 14°
70%
Friday
Thunderstorms
75°/ 55° 24°/ 13°
70%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Day: Mostly cloudy. Showers with a chance of thunderstorms this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Breezy with highs in the lower 70s. South winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows around 50. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Clark, SD

Today
Thunderstorms
68°/ 48° 20°/
100%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Thu Night
Thunderstorms
55°13°
50%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
60%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
20%

Day: Showers with a chance of thunderstorms this morning, then showers likely with a slight chance of thunderstorms this afternoon. Breezy with highs in the upper 60s. South winds 15 to 25 mph with gusts up to 45 mph. Chance of rain near 100 percent.

Night: Partly cloudy in the evening, then clearing. Lows in the upper 40s. West winds 15 to 20 mph with gusts up to 30 mph.

Salem, SD

Today
Thunderstorms
75°/ 52° 24°/ 11°
90%
Tuesday
Sunny
72°/ 50° 22°/ 10°
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°/ 58° 22°/ 14°
80%
Friday
Thunderstorms
75°/ 58° 24°/ 14°
70%
Saturday
Mostly Cloudy
70°/ 52° 21°/ 11°
0%

Day: Mostly cloudy with a chance of thunderstorms. Showers, mainly this morning. Breezy with highs in the mid 70s. Southeast winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 90 percent.

Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy after midnight. Lows in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Slayton, MN

Today
Thunderstorms
68°/ 52° 20°/ 11°
90%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
70%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
80%
Saturday
Mostly Cloudy
68°/ 50° 20°/ 10°
0%

Day: A chance of thunderstorms. Showers, breezy with highs in the upper 60s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a chance of showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph, becoming west 5 to 10 mph with gusts up to 20 mph after midnight. Chance of rain 40 percent.

Luverne, MN

Today
Thunderstorms
72°/ 52° 22°/ 11°
90%
Tuesday
Sunny
70°/ 48° 21°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
50%
Thursday
Mostly Cloudy
72°/ 55° 22°/ 13°
80%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
70%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Day: Mostly cloudy with a chance of thunderstorms. Showers, mainly this morning. Highs in the lower 70s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 50s. West winds 10 to 15 mph. Chance of rain 30 percent.

Milbank, SD

Today
Thunderstorms
65°/ 50° 18°/ 10°
100%
Tuesday
Sunny
70°/ 45° 21°/
0%
Wednesday
Rain Showers
65°/ 50° 18°/ 10°
40%
Thu Night
Rain Showers
55°13°
50%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Saturday
Rain Showers
68°/ 52° 20°/ 11°
20%

Day: A chance of thunderstorms. Showers. Highs in the mid 60s. Southeast winds 15 to 20 mph with gusts up to 40 mph. Chance of rain near 100 percent.

Night: Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows around 50. West winds 15 to 20 mph. Gusts up to 30 mph, increasing to 40 mph after midnight. Chance of rain 20 percent.

Worthington, MN

Today
Thunderstorms
70°/ 52° 21°/ 11°
90%
Tuesday
Sunny
68°/ 48° 20°/
0%
Wednesday
Rain Showers
62°/ 52° 17°/ 11°
60%
Thursday
Mostly Cloudy
70°/ 55° 21°/ 13°
70%
Friday
Thunderstorms
72°/ 55° 22°/ 13°
80%
Saturday
Mostly Cloudy
68°/ 52° 20°/ 11°
0%

Day: A chance of thunderstorms. Showers, breezy with highs around 70. Southeast winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 50s. Southwest winds 15 to 20 mph with gusts up to 30 mph, becoming west 5 to 10 mph after midnight. Chance of rain 50 percent.

Madison, MN

Today
Thunderstorms
68°/ 52° 20°/ 11°
100%
Tuesday
Sunny
72°/ 45° 22°/
0%
Wednesday
Rain Showers
68°/ 48° 20°/
50%
Thursday
Partly Cloudy
72°/ 55° 22°/ 13°
50%
Friday
Thunderstorms
72°/ 52° 22°/ 11°
70%
Saturday
Mostly Cloudy
72°/ 50° 22°/ 10°
0%

Day: Breezy. Rain showers in the morning. Chance of thunderstorms. Rain showers likely in the afternoon. Locally heavy rainfall possible late in the morning. Highs in the upper 60s. Southeast winds 10 to 15 mph increasing to 15 to 25 mph. Chance of precipitation near 100 percent.

Night: Partly cloudy. A 20 percent chance of rain showers in the evening. Lows in the lower 50s. Southwest winds 10 to 15 mph with gusts to around 30 mph.

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