Cactus Flat, SD Weather Forecast
Local 7-day forecast
Patchy Blowing Dust then Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Cactus Flat, SD in one place.
Patchy blowing dust before 10am. Sunny, with a high near 82. Northwest wind 14 to 30 mph, with gusts as high as 45 mph.
Local Weather Overview
This forecast page for Cactus Flat, 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: May 14, 2026 11:29 AM MDT.
The active forecast window currently covers May 14 to May 20, 2026 for Cactus Flat, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 14 to May 20, 2026
- Latest sync
- May 14, 2026 11:29 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Cactus Flat
Today looks like the warmest upcoming period in Cactus Flat at 82 degrees F.
Monday Night is the coolest period ahead with temperatures near 35 degrees F.
The strongest winds are forecast for Monday at about 28 to 39 mph NW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- May 14, 2026 11:29 AM MDT
- Coverage
- 8 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear. Low around 44, with temperatures rising to around 48 overnight. Northwest wind 6 to 16 mph, with gusts as high as 22 mph.
Sunny, with a high near 82. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.
Mostly clear. Low around 44, with temperatures rising to around 47 overnight. North wind 7 to 16 mph, with gusts as high as 22 mph.
Sunny, with a high near 79. Northeast wind 8 to 21 mph, with gusts as high as 29 mph.
A slight chance of showers and thunderstorms before midnight, then showers and thunderstorms likely. Mostly cloudy, with a low around 49. Southeast wind 16 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 70%.
Rain showers before noon, then showers and thunderstorms likely. Mostly cloudy, with a high near 71.
Rain showers likely. Mostly cloudy, with a low around 41.
A chance of rain showers. Partly sunny, with a high near 56.
A chance of rain showers. Mostly cloudy, with a low around 35.
A slight chance of rain showers before noon. Partly sunny, with a high near 63.
Partly cloudy, with a low around 37.
Mostly sunny, with a high near 72.
Partly cloudy, with a low around 42.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
May 14
|
Patchy Blowing Dust then Sunny
|
82°F |
14 to 30 mph
NW
|
|
Tonight
May 14
|
Mostly Clear
|
44°F |
6 to 16 mph
NW
|
|
Friday
May 15
|
Sunny
|
82°F |
8 to 13 mph
NW
|
|
Friday Night
May 15
|
Mostly Clear
|
44°F |
7 to 16 mph
N
|
|
Saturday
May 16
|
Sunny
|
79°F |
8 to 21 mph
NE
|
|
Saturday Night
May 16
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
49°F |
16 to 26 mph
SE
|
|
Sunday
May 17
|
Rain Showers
|
71°F |
16 to 24 mph
N
|
|
Sunday Night
May 17
|
Rain Showers Likely
|
41°F |
28 mph
NW
|
|
Monday
May 18
|
Chance Rain Showers
|
56°F |
28 to 39 mph
NW
|
|
Monday Night
May 18
|
Chance Rain Showers
|
35°F |
16 to 37 mph
NW
|
|
Tuesday
May 19
|
Slight Chance Rain Showers then Partly Sunny
|
63°F |
16 to 21 mph
NW
|
|
Tuesday Night
May 19
|
Partly Cloudy
|
37°F |
7 to 16 mph
S
|
|
Wednesday
May 20
|
Mostly Sunny
|
72°F |
12 to 17 mph
SW
|
|
Wednesday Night
May 20
|
Partly Cloudy
|
42°F |
12 to 18 mph
N
|
Nearby Forecasts
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