ALCESTER, SD 57001 Weather Forecast & Current Conditions

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LE MARS, IA
Current Weather

10:35 PM CDT JUN 8, 2026
Broken Clouds
NA
Feels Like: NA
Dewpoint: NA
Rel. Hum.: NA%
Visibility: 10 miles
Wind: Calm
Pressure: 29.87 inches
Last 72 hours

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ALCESTER, SD 57001
Weather Forecast

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Snow Depth pages
OVERNIGHT
Mostly cloudy. A slight chance of showers and thunderstorms late this evening. Lows in the upper 60s. West winds around 5 mph, becoming southeast. Chance of rain 20 percent.
TUESDAY
Mostly sunny and breezy, hot with highs in the mid 90s. Southeast winds 10 to 15 mph with gusts up to 25 mph, becoming south 15 to 25 mph with gusts up to 35 mph in the afternoon. Heat index values up to 104 in the afternoon.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms. Showers likely, mainly in the evening. Breezy with lows in the lower 70s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 70 percent. Heat index values up to 104 early in the evening.
WEDNESDAY
Sunny. A chance of showers with a slight chance of thunderstorms in the morning. Highs in the lower 90s. South winds 15 to 20 mph, becoming west in the afternoon. Chance of rain 40 percent.
WEDNESDAY NIGHT
Mostly clear in the evening, then partly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Cooler. Less humid with lows in the lower 60s. Northwest winds 15 to 20 mph with gusts up to 30 mph, becoming northeast 5 to 10 mph after midnight. Chance of rain 40 percent.
THURSDAY
Mostly sunny. A slight chance of showers in the morning. Breezy and not as warm with highs in the lower 80s. Chance of rain 20 percent.
THURSDAY NIGHT
Mostly clear and breezy. Lows in the upper 50s.
FRIDAY
Sunny. Highs in the upper 80s.
FRIDAY NIGHT
Mostly clear. Lows in the lower 60s.
SATURDAY
Sunny. Highs in the mid 80s.
SATURDAY NIGHT
Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s.
SUNDAY
Partly sunny. Highs in the upper 70s.
SUNDAY NIGHT
Mostly cloudy. Lows in the mid 50s.

Visible Weather Satellite
ALCESTER, SD 57001
Infrared Weather Satellite
ALCESTER, SD 57001
NEXRAD Weather Radar
ALCESTER, SD 57001

LE MARS, IA 3 hourly weather forecast

weather forecast created  7:00 PM CDT  6/ 8/2026
Tuesday
9 JUN 2026
ALCESTER, SD 57001 weather forecast Day 1, 0 hours 1 AM 75° 75° Mostly Cloudy 8%

0% Thunder
( 23% severe)
SE   2 79% 68°
Low 71° ALCESTER, SD 57001 weather forecast Day 1, 3 hours 4 AM 72° 72° Partly Cloudy S   3 87% 68°
High 95° ALCESTER, SD 57001 weather forecast Day 1, 6 hours 7 AM 72° 72° Mostly Cloudy 8%

0% Thunder
( 17% severe)
SE   6 93% 70°

Partly Cloudy



ALCESTER, SD 57001 weather forecast Day 1, 9 hours 10 AM 84° 91° Partly Cloudy SE   10 72% 74°
ALCESTER, SD 57001 weather forecast Day 1, 12 hours 1 PM 90° 99° Partly Cloudy 5%

0% Thunder
( 13% severe)
SSE   16 58% 73°
ALCESTER, SD 57001 weather forecast Day 1, 15 hours 4 PM 93° 105° Partly Cloudy SSE   18 56% 75°
ALCESTER, SD 57001 weather forecast Day 1, 18 hours 7 PM 93° 105° Partly Cloudy 22%
RAIN
<.01 in
0% Thunder
( 42% severe)
SSE   18 56% 75°
ALCESTER, SD 57001 weather forecast Day 1, 21 hours 10 PM 85° 90° Mostly Cloudy SSE   18 63% 71°
Wednesday
10 JUN 2026
ALCESTER, SD 57001 weather forecast Day 2, 0 hours 1 AM 81° 84° Mostly Cloudy 30%
RAIN
.25–.5 in
0% Thunder
( 31% severe)
S   16 67% 69°
Low 74° ALCESTER, SD 57001 weather forecast Day 2, 3 hours 4 AM 78° 80° Partly Cloudy SSE   16 67% 66°
High 92° ALCESTER, SD 57001 weather forecast Day 2, 6 hours 7 AM 76° 77° Mostly Cloudy 7%

0% Thunder
( 13% severe)
S   16 74% 67°

Decreasing Clouds




Breezy
ALCESTER, SD 57001 weather forecast Day 2, 9 hours 10 AM 84° 88° Clear SSW   17 63% 70°
ALCESTER, SD 57001 weather forecast Day 2, 12 hours 1 PM 89° 90° Clear 5%

0% Thunder
( 14% severe)
WSW   17 41% 62°
ALCESTER, SD 57001 weather forecast Day 2, 15 hours 4 PM 91° 89° Clear W   16 31% 56°
ALCESTER, SD 57001 weather forecast Day 2, 18 hours 7 PM 88° 86° Clear 2%

0% Thunder
( 7% severe)
WNW   13 31% 54°
ALCESTER, SD 57001 weather forecast Day 2, 21 hours 10 PM 75° 75° Partly Cloudy N   6 43% 51°

LE MARS, IA extended weather forecast

BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
BAD DAY
BAD DATE
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BAD DATE
Low 70° Low 56° Low 55° Low 56° Low 55°
High 87° High 83° High 82° High 83° High 68°
ALCESTER, SD 57001 weather forecast Day 3 ALCESTER, SD 57001 weather forecast Day 4 ALCESTER, SD 57001 weather forecast Day 5 ALCESTER, SD 57001 weather forecast Day 6 ALCESTER, SD 57001 weather forecast Day 7
Mostly Cloudy
48% Rain
Partly Cloudy
19% Rain
Partly Cloudy
12% Rain
Clear
13% Rain
Mostly Cloudy
38% Rain
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