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Current weather in Alcester is overcast clouds.

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This page shows hourly weather forecast for Alcester, including temperature, wind, precipitation, humidity and cloud cover.

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Weather data for Alcester is updated regularly with the latest available observations and forecasts.

Now · 8:59 PM

Alcester Weather & Hourly Forecast

United States · South Dakota · 57001

59°F

Overcast night

Feels like: 55°F

💧 Humidity 83% 🌡 Pressure 30.24 inHg 💨 Wind 8 mph 👁 Visibility 18.1 mi ☁ Clouds 100% ☀️ UV index 0.0 · Low 🌅 Sunrise 7:12 AM 🌇 Sunset 7:25 PM

Hourly Forecast for Alcester

Today

9:00 PM

Overcast night

58° 💧 0.002 in 💨 8 mph H 85%30.27 inHg

Tomorrow

12:00 AM

Mostly cloudy night

57° 💧 0.004 in 💨 9 mph H 88%30.30 inHg

3:00 AM

Mostly clear night

56° 💧 None 💨 8 mph H 90%30.30 inHg

6:00 AM

Mostly cloudy night

56° 💧 None 💨 8 mph H 91%30.30 inHg

9:00 AM

Overcast

57° 💧 None 💨 10 mph H 86%30.33 inHg

12:00 PM

Mostly cloudy

63° 💧 None 💨 13 mph H 72%30.30 inHg

3:00 PM

Mostly cloudy

67° 💧 None 💨 14 mph H 66%30.24 inHg

6:00 PM

Overcast

65° 💧 None 💨 12 mph H 70%30.24 inHg

9:00 PM

Overcast night

62° 💧 None 💨 11 mph H 76%30.24 inHg

Thursday

12:00 AM

Overcast night

60° 💧 0.040 in 💨 11 mph H 78%30.24 inHg

3:00 AM

Moderate rain

57° 💧 0.503 in 💨 11 mph H 90%30.24 inHg

6:00 AM

Moderate rain

57° 💧 0.426 in 💨 11 mph H 93%30.21 inHg

9:00 AM

Moderate rain

57° 💧 0.278 in 💨 10 mph H 94%30.24 inHg

12:00 PM

Light rain

59° 💧 0.106 in 💨 11 mph H 94%30.24 inHg

3:00 PM

Light rain

60° 💧 0.044 in 💨 11 mph H 92%30.18 inHg

6:00 PM

Light rain

60° 💧 0.044 in 💨 9 mph H 95%30.18 inHg

Today

9:00 PM

Overcast night

58° 💧 0.001 in 💨 8 mph H 85%30.27 inHg

10:00 PM

Overcast night

58° 💧 None 💨 9 mph H 85%30.30 inHg

11:00 PM

Overcast night

58° 💧 0.001 in 💨 9 mph H 86%30.30 inHg

Tomorrow

12:00 AM

Mostly cloudy night

57° 💧 0.003 in 💨 9 mph H 88%30.30 inHg

1:00 AM

Mostly clear night

56° 💧 0.000 in 💨 9 mph H 90%30.30 inHg

2:00 AM

Partly cloudy night

56° 💧 0.001 in 💨 8 mph H 90%30.30 inHg

3:00 AM

Mostly clear night

56° 💧 None 💨 8 mph H 90%30.30 inHg

4:00 AM

Partly cloudy night

55° 💧 None 💨 8 mph H 94%30.30 inHg

5:00 AM

Overcast night

55° 💧 None 💨 8 mph H 93%30.30 inHg

6:00 AM

Mostly cloudy night

56° 💧 None 💨 8 mph H 91%30.30 inHg

7:00 AM

Overcast night

56° 💧 None 💨 9 mph H 91%30.30 inHg

8:00 AM

Overcast

56° 💧 None 💨 10 mph H 91%30.30 inHg

9:00 AM

Overcast

57° 💧 None 💨 10 mph H 86%30.33 inHg

10:00 AM

Overcast

59° 💧 None 💨 12 mph H 81%30.33 inHg

11:00 AM

Mostly cloudy

62° 💧 None 💨 12 mph H 76%30.33 inHg

12:00 PM

Mostly cloudy

63° 💧 None 💨 13 mph H 72%30.30 inHg

1:00 PM

Overcast

64° 💧 None 💨 13 mph H 69%30.30 inHg

2:00 PM

Overcast

65° 💧 None 💨 13 mph H 68%30.27 inHg

3:00 PM

Mostly cloudy

67° 💧 None 💨 14 mph H 66%30.24 inHg

4:00 PM

Mostly cloudy

67° 💧 None 💨 14 mph H 66%30.24 inHg

5:00 PM

Overcast

66° 💧 None 💨 14 mph H 66%30.24 inHg

6:00 PM

Overcast

65° 💧 None 💨 12 mph H 70%30.24 inHg

7:00 PM

Overcast

64° 💧 None 💨 11 mph H 73%30.24 inHg

8:00 PM

Mostly cloudy night

63° 💧 None 💨 11 mph H 75%30.24 inHg

9:00 PM

Overcast night

62° 💧 None 💨 11 mph H 76%30.24 inHg

10:00 PM

Overcast night

61° 💧 None 💨 11 mph H 77%30.24 inHg

11:00 PM

Mostly cloudy night

61° 💧 None 💨 11 mph H 76%30.24 inHg

Thursday

12:00 AM

Overcast night

60° 💧 None 💨 11 mph H 78%30.24 inHg

1:00 AM

Light rain

59° 💧 0.007 in 💨 11 mph H 80%30.24 inHg

2:00 AM

Light rain

58° 💧 0.034 in 💨 10 mph H 88%30.24 inHg

3:00 AM

Moderate rain

57° 💧 0.108 in 💨 11 mph H 90%30.24 inHg

4:00 AM

Moderate rain

57° 💧 0.239 in 💨 11 mph H 91%30.24 inHg

5:00 AM

Moderate rain

57° 💧 0.156 in 💨 11 mph H 92%30.21 inHg

6:00 AM

Moderate rain

57° 💧 0.142 in 💨 11 mph H 93%30.21 inHg

7:00 AM

Light rain

57° 💧 0.082 in 💨 11 mph H 93%30.21 inHg

8:00 AM

Moderate rain

57° 💧 0.202 in 💨 10 mph H 94%30.24 inHg

9:00 AM

Moderate rain

57° 💧 0.121 in 💨 10 mph H 94%30.24 inHg

10:00 AM

Light rain

57° 💧 0.079 in 💨 12 mph H 94%30.24 inHg

11:00 AM

Light rain

58° 💧 0.077 in 💨 11 mph H 94%30.24 inHg

12:00 PM

Light rain

59° 💧 0.023 in 💨 11 mph H 94%30.24 inHg

1:00 PM

Light rain

59° 💧 0.041 in 💨 10 mph H 95%30.21 inHg

2:00 PM

Light rain

59° 💧 0.042 in 💨 11 mph H 95%30.21 inHg

3:00 PM

Light rain

60° 💧 0.022 in 💨 11 mph H 92%30.18 inHg

4:00 PM

Light rain

60° 💧 0.013 in 💨 11 mph H 92%30.18 inHg

5:00 PM

Light rain

60° 💧 0.010 in 💨 10 mph H 95%30.18 inHg

6:00 PM

Light rain

60° 💧 0.013 in 💨 9 mph H 95%30.18 inHg

7:00 PM

Light rain

60° 💧 0.014 in 💨 8 mph H 95%30.18 inHg

8:00 PM

Light rain

60° 💧 0.017 in 💨 8 mph H 96%30.18 inHg

9:00 PM

Light rain

60° 💧 0.016 in 💨 7 mph H 96%30.18 inHg

10:00 PM

Light rain

60° 💧 0.019 in 💨 7 mph H 96%30.21 inHg

11:00 PM

Light rain

60° 💧 0.049 in 💨 7 mph H 96%30.21 inHg

Friday

12:00 AM

Light rain

60° 💧 0.032 in 💨 8 mph H 96%30.21 inHg

1:00 AM

Light rain

60° 💧 0.023 in 💨 8 mph H 96%30.18 inHg

2:00 AM

Overcast night

59° 💧 0.004 in 💨 9 mph H 96%30.18 inHg

3:00 AM

Overcast night

59° 💧 0.002 in 💨 9 mph H 95%30.18 inHg

4:00 AM

Light rain

59° 💧 0.009 in 💨 9 mph H 95%30.18 inHg

5:00 AM

Light rain

59° 💧 0.045 in 💨 9 mph H 95%30.15 inHg

6:00 AM

Light rain

59° 💧 0.043 in 💨 10 mph H 95%30.15 inHg

7:00 AM

Light rain

59° 💧 0.030 in 💨 10 mph H 95%30.15 inHg

4:00 PM

Light rain

63° 💧 None 💨 17 mph H 84%30.06 inHg

7:00 PM

Moderate rain

61° 💧 None 💨 15 mph H 94%30.03 inHg

10:00 PM

Moderate rain

60° 💧 None 💨 15 mph H 95%30.00 inHg

Saturday

1:00 AM

Heavy rain

61° 💧 None 💨 15 mph H 96%29.94 inHg

4:00 AM

Moderate rain

62° 💧 None 💨 14 mph H 96%29.88 inHg

7:00 AM

Overcast night

62° 💧 None 💨 14 mph H 96%29.85 inHg

10:00 AM

Overcast

64° 💧 None 💨 13 mph H 90%29.88 inHg

1:00 PM

Overcast

72° 💧 None 💨 14 mph H 77%29.85 inHg

4:00 PM

Partly cloudy

75° 💧 None 💨 10 mph H 73%29.80 inHg

7:00 PM

Mostly cloudy

72° 💧 None 💨 6 mph H 83%29.83 inHg

10:00 PM

Mostly clear night

68° 💧 None 💨 8 mph H 93%29.88 inHg

Sunday

1:00 AM

Mostly clear night

66° 💧 None 💨 6 mph H 95%29.91 inHg

4:00 AM

Overcast night

65° 💧 None 💨 4 mph H 97%29.91 inHg

7:00 AM

Overcast night

64° 💧 None 💨 4 mph H 98%29.94 inHg

10:00 AM

Partly cloudy

68° 💧 None 💨 6 mph H 92%29.97 inHg

1:00 PM

Light rain

74° 💧 None 💨 6 mph H 79%29.97 inHg

4:00 PM

Light rain

76° 💧 None 💨 5 mph H 73%29.91 inHg

7:00 PM

Partly cloudy

72° 💧 None 💨 4 mph H 85%29.88 inHg

10:00 PM

Mostly cloudy night

68° 💧 None 💨 8 mph H 89%29.88 inHg

Monday

1:00 AM

Partly cloudy night

66° 💧 None 💨 11 mph H 91%29.83 inHg

4:00 AM

Partly cloudy night

65° 💧 None 💨 11 mph H 96%29.80 inHg

7:00 AM

Overcast night

64° 💧 None 💨 10 mph H 99%29.77 inHg

10:00 AM

Light rain

64° 💧 None 💨 7 mph H 95%29.80 inHg

1:00 PM

Overcast

68° 💧 None 💨 6 mph H 86%29.77 inHg

7:00 PM

Sunny

74° 💧 None 💨 14 mph H 82%29.80 inHg

Tuesday

1:00 AM

Mostly cloudy night

74° 💧 None 💨 9 mph H 79%29.68 inHg

7:00 AM

Light thunderstorms

64° 💧 None 💨 14 mph H 93%29.74 inHg

1:00 PM

Light rain

63° 💧 None 💨 8 mph H 97%29.71 inHg

7:00 PM

Overcast

64° 💧 None 💨 14 mph H 80%29.77 inHg

Wednesday

1:00 AM

Overcast night

63° 💧 None 💨 12 mph H 71%29.80 inHg

7:00 AM

Partly cloudy night

58° 💧 None 💨 9 mph H 61%29.85 inHg

1:00 PM

Sunny

49° 💧 None 💨 7 mph H 76%29.91 inHg

7:00 PM

Sunny

65° 💧 None 💨 7 mph H 50%29.88 inHg

Thursday

1:00 AM

Clear night

60° 💧 None 💨 4 mph H 72%29.83 inHg

7:00 AM

Partly cloudy night

54° 💧 None 💨 4 mph H 90%29.83 inHg

1:00 PM

Overcast

57° 💧 None 💨 2 mph H 92%29.80 inHg

7:00 PM

Overcast

68° 💧 None 💨 9 mph H 69%29.77 inHg

Friday

1:00 AM

Mostly clear night

64° 💧 None 💨 4 mph H 80%29.74 inHg

7:00 AM

Partly cloudy night

58° 💧 None 💨 15 mph H 66%29.85 inHg

1:00 PM

Sunny

51° 💧 None 💨 9 mph H 72%29.88 inHg

7:00 PM

Partly cloudy

65° 💧 None 💨 21 mph H 41%29.77 inHg

Saturday

1:00 AM

Light rain

53° 💧 None 💨 17 mph H 78%29.68 inHg

7:00 AM

Overcast night

53° 💧 None 💨 14 mph H 85%29.68 inHg

1:00 PM

Overcast

52° 💧 None 💨 19 mph H 85%29.74 inHg

7:00 PM

Light rain

55° 💧 None 💨 21 mph H 67%29.83 inHg

Sunday

1:00 AM

Overcast night

53° 💧 None 💨 15 mph H 68%29.91 inHg

7:00 AM

Partly cloudy night

50° 💧 None 💨 11 mph H 73%29.97 inHg

1:00 PM

Mostly sunny

43° 💧 None 💨 6 mph H 91%30.06 inHg

7:00 PM

Partly cloudy

56° 💧 None 💨 7 mph H 59%30.06 inHg

Monday

1:00 AM

Clear night

52° 💧 None 💨 3 mph H 76%30.00 inHg

7:00 AM

Clear night

45° 💧 None 💨 6 mph H 90%30.06 inHg

1:00 PM

Mostly sunny

42° 💧 None 💨 6 mph H 94%30.09 inHg

7:00 PM

Mostly cloudy

58° 💧 None 💨 8 mph H 62%30.03 inHg

Tuesday

1:00 AM

Overcast night

56° 💧 None 💨 10 mph H 70%29.97 inHg

7:00 AM

Overcast night

50° 💧 None 💨 11 mph H 79%30.00 inHg

1:00 PM

Light rain

49° 💧 None 💨 14 mph H 86%30.00 inHg

7:00 PM

Light rain

50° 💧 None 💨 16 mph H 93%29.97 inHg

Wednesday

1:00 AM

Overcast night

51° 💧 None 💨 16 mph H 86%29.91 inHg

7:00 AM

Overcast night

51° 💧 None 💨 15 mph H 89%29.94 inHg

1:00 PM

Moderate rain

51° 💧 None 💨 16 mph H 92%29.88 inHg

In Alcester and, more broadly, across the state of South Dakota: This morning will start with mostly cloudy skies and cool temperatures around 52 to 56 degrees Fahrenheit. Winds will be coming from the east at about 10 mph, with gusts reaching up to 17 mph. There is a possibility of light rain throughout the day, with total accumulation around 0.16 inches. As the afternoon progresses, the cloudy conditions are expected to persist, and the chance of rain remains high. Temperatures are likely to stay in the same cool range, and breezes from the east will continue at similar speeds. Overall, it will be a damp, breezy day with limited sunshine. Be prepared for possible showers if you're heading outdoors.

15-Day Weather Outlook for Alcester

TomorrowTomorrow

Mostly cloudy 67°/55° 💧 None 💨 14 mph

Thursday, Sep 24Thu Sep 24

Overcast 60°/57° 💧 None 💨 12 mph

Friday, Sep 25Fri Sep 25

Moderate rain 63°/59° 💧 2.133 in 💨 17 mph

Saturday, Sep 26Sat Sep 26

Heavy rain 75°/61° 💧 0.770 in 💨 15 mph

Sunday, Sep 27Sun Sep 27

Light rain 76°/64° 💧 0.032 in 💨 8 mph

Monday, Sep 28Mon Sep 28

Light rain 74°/64° 💧 0.380 in 💨 14 mph

Tuesday, Sep 29Tue Sep 29

Light thunderstorms 74°/63° 💧 1.092 in 💨 14 mph

Wednesday, Sep 30Wed Sep 30

Overcast 65°/49° 💧 0.001 in 💨 12 mph

Thursday, Oct 1Thu Oct 1

Overcast 68°/54° 💧 0.004 in 💨 9 mph

Friday, Oct 2Fri Oct 2

Partly cloudy 65°/51° 💧 0.129 in 💨 21 mph

Saturday, Oct 3Sat Oct 3

Light rain 55°/52° 💧 0.050 in 💨 21 mph

Sunday, Oct 4Sun Oct 4

Overcast 56°/43° 💧 0.002 in 💨 15 mph

Monday, Oct 5Mon Oct 5

Mostly sunny 58°/42° 💧 None 💨 8 mph

Tuesday, Oct 6Tue Oct 6

Light rain 56°/49° 💧 0.243 in 💨 16 mph

Wednesday, Oct 7Wed Oct 7

Moderate rain 51°/51° 💧 0.306 in 💨 16 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Alcester

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Alcester

Hourly forecast · Updated every 2 hours

Good

Nearest forecast value 9:00 PM

PM2.5 Fine particles Good 2,4µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 2,5µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 50,7µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 2,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Alcester

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 2,8Low 😊Good

Tomorrow UV 5,5Moderate 🙂Fair

Thursday UV 1,0Low 🙂Fair

Friday UV 0,8Low 🙂Fair

Saturday UV 2,1Low 🙂Fair

Sunday UV 4,0Moderate —Unavailable

Monday UV 5,0Moderate —Unavailable

Today's weather health advice Open today's recommendations.

Low UV risk

UV radiation will be low, although basic protection is still advisable during prolonged exposure.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Alcester

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

NIGHT SKY · ALCESTER, SOUTH DAKOTA

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.

85/100Best-hour score

BEST TIME TONIGHT 3:00 AM–4:00 AM Astronomical darkness: 8:59 PM–5:39 AM

☁ Cloud cover 15% Real hourly forecast for the best viewing hour.

☾ Moonlight 88% Waxing Gibbous · Moon about 7° above the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 54° high at the best hour.

✦ Estimated visible meteors 0–2/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min41%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Alcester were last refreshed today at 8:22 PM. The current forecast period extends through 24/09/2026 at 6:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.