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As of 20:51 CDT

Weather in Alcester, SD

59°Current weather

Alcester, Wednesday, 7 October, 20:51

Overcast. Feels like 58°. High 77°, low 51°.

Pressure30.00 inHg
Wind4.7 mph NW
Humidity67%
Visibility6.2 mi
Dew point48°
Thu, 0878° / 50°0.01Light rain
78 °Light rain

Alcester, Thursday, 8 October

Light rain. High 78°, low 50°.

Pressure30.09 inHg
Wind8.6 mph SE
Humidity40%
Visibility6.2 mi
Dew point44°
Fri, 0979° / 57°0Clear
79 °Clear

Alcester, Friday, 9 October

Clear. High 79°, low 57°.

Pressure29.88 inHg
Wind8.1 mph SE
Humidity65%
Visibility6.2 mi
Dew point60°
Sat, 1083° / 66°0Clear
83 °Clear

Alcester, Saturday, 10 October

Clear. High 83°, low 66°.

Pressure29.74 inHg
Wind19.8 mph S
Humidity45%
Visibility6.2 mi
Dew point55°
Sun, 1181° / 63°0Overcast
81 °Overcast

Alcester, Sunday, 11 October

Overcast. High 81°, low 63°.

Pressure29.74 inHg
Wind15.5 mph S
Humidity46%
Visibility6.2 mi
Dew point54°
Mon, 1264° / 50°0Overcast
64 °Overcast

Alcester, Monday, 12 October

Overcast. High 64°, low 50°.

Pressure29.83 inHg
Wind14.2 mph NW
Humidity55%
Visibility—
Dew point46°
Tue, 1357° / 45°0Partly cloudy
57 °Partly cloudy

Alcester, Tuesday, 13 October

Partly cloudy. High 57°, low 45°.

Pressure30.24 inHg
Wind14.2 mph N
Humidity45%
Visibility—
Dew point32°
Wed, 1467° / 49°0.7Rain
67 °Rain

Alcester, Wednesday, 14 October

Rain. High 67°, low 49°.

Pressure29.71 inHg
Wind17.3 mph S
Humidity89%
Visibility—
Dew point52°
Thu, 1567° / 51°0.05Light rain
67 °Light rain

Alcester, Thursday, 15 October

Light rain. High 67°, low 51°.

Pressure29.59 inHg
Wind18.8 mph N
Humidity81%
Visibility—
Dew point60°
Fri, 1650° / 38°0.26Light rain
50 °Light rain

Alcester, Friday, 16 October

Light rain. High 50°, low 38°.

Pressure30.15 inHg
Wind17.6 mph NW
Humidity95%
Visibility—
Dew point37°
Sat, 1744° / 38°0.04Light rain
44 °Light rain

Alcester, Saturday, 17 October

Light rain. High 44°, low 38°.

Pressure30.24 inHg
Wind15.2 mph NW
Humidity71%
Visibility—
Dew point33°
Sun, 1857° / 35°0Mostly clear
57 °Mostly clear

Alcester, Sunday, 18 October

Mostly clear. High 57°, low 35°.

Pressure30.21 inHg
Wind11.1 mph S
Humidity43%
Visibility—
Dew point30°
Mon, 1970° / 44°0Clear
70 °Clear

Alcester, Monday, 19 October

Clear. High 70°, low 44°.

Pressure30.06 inHg
Wind9.9 mph N
Humidity32%
Visibility—
Dew point33°
Tue, 2055° / 43°0Overcast
55 °Overcast

Alcester, Tuesday, 20 October

Overcast. High 55°, low 43°.

Pressure30.33 inHg
Wind10.6 mph N
Humidity50%
Visibility—
Dew point33°
Wed, 2162° / 39°0Mostly clear
62 °Mostly clear

Alcester, Wednesday, 21 October

Mostly clear. High 62°, low 39°.

Pressure30.03 inHg
Wind20.6 mph S
Humidity45%
Visibility—
Dew point33°
Thu, 2259° / 51°0Overcast
59 °Overcast

Alcester, Thursday, 22 October

Overcast. High 59°, low 51°.

Pressure29.53 inHg
Wind21.3 mph S
Humidity48%
Visibility—
Dew point38°

About the monthly outlook

How accurate is a 30-day forecast?

The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Alcester, SD are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.

What does "above normal" mean?

We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.

Where do the 66-year records come from?

They are real temperature extremes recorded in Alcester, SD since 1960: the highest and lowest reading for each calendar date, with the year it happened.

How often is it updated?

The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.