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As of 07:27 MDT

Weather in Lacy, SD

60°Current weather

Lacy, Saturday, 10 October, 07:27

Clear. Feels like 58°. High 86°, low 60°.

Pressure29.47 inHg
Wind13.1 mph SW
Humidity56%
Visibility6.2 mi
Dew point44°
Sun, 1164° / 51°0Overcast
64 °Overcast

Lacy, Sunday, 11 October

Overcast. High 64°, low 51°.

Pressure29.71 inHg
Wind13.4 mph N
Humidity70%
Visibility6.2 mi
Dew point54°
Mon, 1258° / 49°0.24Rain
58 °Rain

Lacy, Monday, 12 October

Rain. High 58°, low 49°.

Pressure29.83 inHg
Wind9.4 mph N
Humidity78%
Visibility6.2 mi
Dew point49°
Tue, 1351° / 45°0.07Light rain
51 °Light rain

Lacy, Tuesday, 13 October

Light rain. High 51°, low 45°.

Pressure30.12 inHg
Wind4.9 mph N
Humidity73%
Visibility6.2 mi
Dew point39°
Wed, 1456° / 45°0Partly cloudy
56 °Partly cloudy

Lacy, Wednesday, 14 October

Partly cloudy. High 56°, low 45°.

Pressure30.30 inHg
Wind6.3 mph E
Humidity59%
Visibility—
Dew point39°
Thu, 1557° / 47°0.01Light rain
57 °Light rain

Lacy, Thursday, 15 October

Light rain. High 57°, low 47°.

Pressure30.33 inHg
Wind6.7 mph SE
Humidity70%
Visibility—
Dew point44°
Fri, 1648° / 35°0Overcast
48 °Overcast

Lacy, Friday, 16 October

Overcast. High 48°, low 35°.

Pressure30.50 inHg
Wind30.7 mph NW
Humidity43%
Visibility—
Dew point20°
Sat, 1743° / 26°0Clear
43 °Clear

Lacy, Saturday, 17 October

Clear. High 43°, low 26°.

Pressure30.59 inHg
Wind17.8 mph SE
Humidity23%
Visibility—
Dew point2°
Sun, 1859° / 36°0Overcast
59 °Overcast

Lacy, Sunday, 18 October

Overcast. High 59°, low 36°.

Pressure30.00 inHg
Wind18.8 mph SE
Humidity37%
Visibility—
Dew point26°
Mon, 1971° / 47°0Partly cloudy
71 °Partly cloudy

Lacy, Monday, 19 October

Partly cloudy. High 71°, low 47°.

Pressure29.85 inHg
Wind16.4 mph SE
Humidity34%
Visibility—
Dew point33°
Tue, 2063° / 49°0.09Light rain
63 °Light rain

Lacy, Tuesday, 20 October

Light rain. High 63°, low 49°.

Pressure29.59 inHg
Wind24.3 mph NW
Humidity55%
Visibility—
Dew point44°
Wed, 2159° / 42°0Clear
59 °Clear

Lacy, Wednesday, 21 October

Clear. High 59°, low 42°.

Pressure30.03 inHg
Wind24.2 mph NW
Humidity45%
Visibility—
Dew point31°
Thu, 2261° / 49°0Clear
61 °Clear

Lacy, Thursday, 22 October

Clear. High 61°, low 49°.

Pressure30.15 inHg
Wind16.8 mph NW
Humidity30%
Visibility—
Dew point26°
Fri, 2367° / 43°0Mostly clear
67 °Mostly clear

Lacy, Friday, 23 October

Mostly clear. High 67°, low 43°.

Pressure30.03 inHg
Wind15.1 mph SE
Humidity32%
Visibility—
Dew point28°
Sat, 2467° / 46°0Overcast
67 °Overcast

Lacy, Saturday, 24 October

Overcast. High 67°, low 46°.

Pressure29.94 inHg
Wind18.4 mph NW
Humidity49%
Visibility—
Dew point39°
Sun, 2555° / 37°0Overcast
55 °Overcast

Lacy, Sunday, 25 October

Overcast. High 55°, low 37°.

Pressure30.50 inHg
Wind22.5 mph N
Humidity57%
Visibility—
Dew point26°

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 Lacy, 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 Lacy, 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.