Mcvay School, SD Weather Forecast & Current Conditions

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Mcvay School Weather Map
UTC Time: 9/18/2026, 11:34
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
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Mcvay School, SD Regional Weather

Expires:202609181200;;652313
ASUS43 KFSD 181110
RWRFSD

WEATHER ROUNDUP FOR SE SOUTH DAKOTA/SW MINNESOTA/NW IOWA
NATIONAL WEATHER SERVICE SIOUX FALLS SD
600 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.



SDZ038>040-050-052>070-181200-
SOUTHEAST SOUTH DAKOTA
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
BROOKINGS      RAIN      60  59  96 SE25      30.16F FOG     TC  16   
CHAMBERLAIN    CLOUDY    63  63  99 SE10      30.07S TC  17           
HURON          CLOUDY    62  60  93 E7        30.09F TC  17           
MADISON        LGT RAIN  59  59 100 E13       30.13F TC  15           
MITCHELL       LGT RAIN  62  61  96 SE16G24   30.06F TC  17           
SIOUX FALLS    CLOUDY    63  61  93 E10       30.14F TC  17           
WINNER         CLOUDY    64  64 100 SE15G22   30.04R TC  18           
YANKTON        LGT RAIN  64  64 100 E10       30.09F TC  18           
$$


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

Mcvay School, SD

Today
Thunderstorms
78°/ 62° 26°/ 17°
90%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Cloudy. Patchy fog this morning. Showers with a chance of thunderstorms this morning, then a slight chance of showers and thunderstorms this afternoon. Highs in the upper 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Night: Mostly cloudy with a 20 percent chance of showers. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph.

Sioux Center, IA

Today
Thunderstorms
78°/ 62° 26°/ 17°
70%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 50° 17°/ 10°
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Cloudy. Patchy fog this morning. Showers likely with a chance of thunderstorms this morning, then a slight chance of showers and thunderstorms this afternoon. Highs in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 70 percent.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of rain 20 percent.

North Sioux City, SD

Today
Thunderstorms
82°/ 62° 28°/ 17°
70%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
70°21°
0%

Day: Patchy fog this morning. Cloudy with showers likely with a chance of thunderstorms this morning, then partly sunny this afternoon. Highs in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Night: Mostly cloudy. A slight chance of showers after midnight. Humid with lows in the lower 60s. North winds 5 to 10 mph. Chance of rain 20 percent.

Rock Rapids, IA

Today
Thunderstorms
75°/ 60° 24°/ 16°
90%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Cloudy. Patchy fog this morning. Showers with a chance of thunderstorms this morning, then a slight chance of showers and thunderstorms this afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 90 percent.

Night: Mostly cloudy. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Humid with lows around 60. Northeast winds 5 to 10 mph. Chance of rain 40 percent.

Le Mars, IA

Today
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
70°/ 58° 21°/ 14°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 52° 17°/ 11°
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Mostly cloudy. Patchy fog this morning. A chance of showers and thunderstorms, mainly this morning. Highs in the lower 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: A slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph, becoming north after midnight. Chance of rain 20 percent.

Vermillion, SD

Today
Thunderstorms
82°/ 62° 28°/ 17°
70%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
30%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
72°22°
0%

Day: Patchy fog this morning. Cloudy with showers likely with a chance of thunderstorms this morning, then partly sunny this afternoon. Highs in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Night: Mostly cloudy. Humid with lows in the lower 60s. North winds 5 to 10 mph.

Parker, SD

Today
Thunderstorms
78°/ 62° 26°/ 17°
90%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
60°/ 48° 16°/
70%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Showers with a chance of thunderstorms this morning. Patchy fog this morning. Highs in the upper 70s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Night: Mostly cloudy. Humid with lows in the lower 60s. North winds 5 to 10 mph.

Sioux Falls, SD

Today
Thunderstorms
72°/ 58° 22°/ 14°
100%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
50%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Patchy fog this morning. Showers with a chance of thunderstorms this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs in the lower 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Night: Cloudy with a 20 percent chance of showers. Humid with lows in the upper 50s. Northeast winds 5 to 10 mph.

Luverne, MN

Today
Thunderstorms
70°/ 58° 21°/ 14°
100%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
20%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
60%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Patchy fog this morning. Showers with a chance of thunderstorms this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. Highs around 70. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent.

Night: A slight chance of thunderstorms in the evening. Cloudy with a chance of showers. Humid with lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Yankton, SD

Today
Thunderstorms
82°/ 62° 28°/ 17°
50%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
80%
Monday
Rain Showers
60°/ 48° 16°/
70%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°22°
0%

Day: Patchy fog this morning. Cloudy with a chance of showers and thunderstorms this morning, then partly sunny this afternoon. Highs in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 30 mph, becoming south around 10 mph with gusts up to 20 mph this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy. Humid with lows in the lower 60s. North winds 5 to 10 mph.

Sheldon, IA

Today
Thunderstorms
75°/ 62° 24°/ 17°
70%
Saturday
Rain Showers
68°/ 55° 20°/ 13°
40%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
70%
Monday
Rain Showers
58°/ 45° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Patchy fog this morning. Cloudy with a chance of thunderstorms. Showers likely, mainly this morning. Highs in the mid 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 70 percent.

Night: A chance of thunderstorms in the evening. Cloudy with a chance of showers. Humid with lows in the lower 60s. East winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 50 percent.

Wakefield, NE

Today
Thunderstorms
85°/ 62° 29°/ 17°
50%
Saturday
Rain Showers
70°/ 58° 21°/ 14°
40%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Patchy fog this morning. Cloudy with a chance of showers with a slight chance of thunderstorms this morning, then mostly sunny this afternoon. Warmer with highs in the mid 80s. Southeast winds 15 to 20 mph, becoming south 10 to 15 mph this afternoon. Chance of rain 50 percent.

Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Humid with lows in the lower 60s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.

Hartington, NE

Tonight
Thunderstorms
65°18°
90%
Friday
Thunderstorms
85°/ 62° 29°/ 17°
100%
Saturday
Rain Showers
68°/ 58° 20°/ 14°
50%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
90%
Monday
Thunderstorms
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
72°22°
0%

Night: Showers with a chance of thunderstorms. Near steady temperature in the mid 60s. East winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent.

Worthington, MN

Today
Thunderstorms
68°/ 58° 20°/ 14°
100%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
30%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
50%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Patchy fog this morning. A chance of thunderstorms. Showers, mainly this morning. Highs in the upper 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain near 100 percent.

Night: A chance of thunderstorms in the evening. Cloudy with a chance of showers. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Sioux City, IA

Today
Thunderstorms
85°/ 65° 29°/ 18°
50%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
50%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
55°/ 48° 13°/
70%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 52° 17°/ 11°
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Patchy fog this morning. Cloudy with a chance of showers and thunderstorms this morning, then mostly sunny with a slight chance of showers and thunderstorms this afternoon. Warmer with highs in the mid 80s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the mid 60s. East winds 5 to 10 mph, becoming north after midnight. Chance of rain 50 percent.

Sibley, IA

Today
Thunderstorms
72°/ 60° 22°/ 16°
90%
Saturday
Rain Showers
65°/ 55° 18°/ 13°
40%
Sunday
Rain Showers
62°/ 50° 17°/ 10°
60%
Monday
Rain Showers
58°/ 45° 14°/
50%
Tuesday
Partly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Partly Cloudy
68°20°
0%

Day: Patchy fog this morning. Cloudy with a chance of thunderstorms. Showers, mainly this morning. Highs in the lower 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 90 percent.

Night: A chance of thunderstorms in the evening. Cloudy with a chance of showers. Humid with lows around 60. Northeast winds 5 to 10 mph. Chance of rain 50 percent.

Cherokee, IA

Today
Thunderstorms
80°/ 62° 27°/ 17°
50%
Saturday
Rain Showers
72°/ 55° 22°/ 13°
50%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 45° 17°/
0%
Wednesday
Partly Cloudy
62°/ 48° 17°/
0%
Thursday
Mostly Cloudy
68°20°
0%

Day: Patchy fog this morning. Mostly cloudy with a chance of thunderstorms. A chance of showers, mainly this morning. Highs around 80. Southeast winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.

Night: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Humid with lows in the lower 60s. East winds 5 to 10 mph, becoming north after midnight. Chance of rain 50 percent.

South Sioux City, NE

Today
Thunderstorms
88°/ 62° 31°/ 17°
50%
Saturday
Rain Showers
72°/ 58° 22°/ 14°
30%
Sunday
Rain Showers
62°/ 52° 17°/ 11°
70%
Monday
Rain Showers
58°/ 48° 14°/
70%
Tuesday
Mostly Cloudy
62°/ 48° 17°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
68°20°
0%

Day: Patchy fog this morning. Cloudy with a chance of showers with a slight chance of thunderstorms this morning, then mostly sunny this afternoon. Warmer with highs in the upper 80s. Southeast winds around 15 mph, becoming south this afternoon. Chance of rain 50 percent.

Night: Mostly cloudy with a slight chance of showers and thunderstorms. Humid with lows in the lower 60s. Northwest winds 5 to 10 mph. Chance of rain 20 percent.

Salem, SD

Today
Thunderstorms
75°/ 58° 24°/ 14°
90%
Saturday
Cloudy
68°/ 55° 20°/ 13°
0%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
60%
Monday
Rain Showers
60°/ 48° 16°/
50%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Mostly Cloudy
65°/ 52° 18°/ 11°
30%
Thursday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Patchy fog this morning. Showers with a chance of thunderstorms this morning, then a slight chance of showers this afternoon. Highs in the mid 70s. East winds 15 to 20 mph. Gusts up to 35 mph this morning. Chance of rain 90 percent.

Night: Cloudy. A slight chance of showers in the evening. Humid with lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 20 percent.

Parkston, SD

Today
Thunderstorms
78°/ 60° 26°/ 16°
70%
Saturday
Cloudy
68°/ 55° 20°/ 13°
20%
Sunday
Rain Showers
65°/ 52° 18°/ 11°
70%
Monday
Rain Showers
62°/ 48° 17°/
70%
Tuesday
Mostly Cloudy
65°/ 48° 18°/
0%
Wednesday
Rain Showers
65°/ 52° 18°/ 11°
40%
Thursday
Mostly Cloudy
72°22°
0%

Day: Cloudy. Showers likely with a chance of thunderstorms this morning. Patchy fog this morning. Highs in the upper 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph, becoming east 5 to 10 mph with gusts up to 20 mph this afternoon. Chance of rain 70 percent.

Night: Mostly cloudy. Humid with lows around 60. North winds 5 to 10 mph.

Names listed above may include county names.

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