Lacy, SD Weather Forecast
Local 7-day forecast
Patchy Fog then Mostly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Lacy, SD in one place.
Patchy fog before 10am. Mostly cloudy. High near 48, with temperatures falling to around 45 in the afternoon. South southeast wind 3 to 9 mph.
Local Weather Overview
This forecast page for Lacy, SD is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Nov 5, 2026 6:33 PM CST.
The active forecast window currently covers Nov 6 to Nov 11, 2026 for Lacy, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 11, 2026
- Latest sync
- Nov 5, 2026 6:33 PM CST
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Lacy
Sunday looks like the warmest upcoming period in Lacy at 66 degrees F.
Friday Night is the coolest period ahead with temperatures near 32 degrees F.
The strongest winds are forecast for Monday at about 9 to 17 mph NW.
The forecast from Nov 6 through Nov 11 stays mostly dry.
Forecast Details
- Last updated
- Nov 5, 2026 6:33 PM CST
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 32. Southwest wind 3 to 7 mph.
Mostly sunny, with a high near 63. West southwest wind 8 to 15 mph, with gusts as high as 23 mph.
Mostly clear, with a low around 37. West wind 6 to 12 mph.
Sunny, with a high near 66. South southwest wind 6 to 16 mph, with gusts as high as 26 mph.
Mostly clear, with a low around 42. West southwest wind 12 to 15 mph.
Sunny, with a high near 60. Northwest wind 9 to 17 mph, with gusts as high as 28 mph.
Mostly clear, with a low around 34.
Partly sunny, with a high near 57.
Partly cloudy, with a low around 36.
Sunny, with a high near 60.
Mostly clear, with a low around 38.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Nov 6
|
Patchy Fog then Mostly Cloudy
|
48°F |
3 to 9 mph
SSE
|
|
Friday Night
Nov 6
|
Partly Cloudy
|
32°F |
3 to 7 mph
SW
|
|
Saturday
Nov 7
|
Mostly Sunny
|
63°F |
8 to 15 mph
WSW
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
37°F |
6 to 12 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
66°F |
6 to 16 mph
SSW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
42°F |
12 to 15 mph
WSW
|
|
Monday
Nov 9
|
Sunny
|
60°F |
9 to 17 mph
NW
|
|
Monday Night
Nov 9
|
Mostly Clear
|
34°F |
7 mph
W
|
|
Tuesday
Nov 10
|
Partly Sunny
|
57°F |
9 mph
ESE
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
36°F |
9 mph
NNW
|
|
Veterans Day
Nov 11
|
Sunny
|
60°F |
12 mph
WNW
|
|
Wednesday Night
Nov 11
|
Mostly Clear
|
38°F |
9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Lacy.