Green Grass, SD Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Green Grass, SD in one place.
A slight chance of rain showers before noon. Mostly sunny, with a high near 78. South southeast wind 12 to 24 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
Local Weather Overview
This forecast page for Green Grass, 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: Sep 14, 2026 10:09 PM MDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Green Grass, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 14, 2026 10:09 PM MDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Green Grass
Wednesday looks like the warmest upcoming period in Green Grass at 78 degrees F.
Sunday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Wednesday at about 12 to 24 mph SSE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 14, 2026 10:09 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- 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 51. East northeast wind 6 to 9 mph.
A slight chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 76. East wind 7 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. East southeast wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
A chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East wind around 10 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. North northeast wind around 10 mph. Chance of precipitation is 50%.
A chance of rain showers. Partly sunny, with a high near 75. Chance of precipitation is 30%.
A chance of rain showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 74. Chance of precipitation is 20%.
Partly cloudy, with a low around 49.
Mostly sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Slight Chance Rain Showers then Mostly Sunny
|
78°F |
12 to 24 mph
SSE
|
|
Wednesday Night
Sep 16
|
Partly Cloudy
|
51°F |
6 to 9 mph
ENE
|
|
Thursday
Sep 17
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
76°F |
7 to 15 mph
E
|
|
Thursday Night
Sep 17
|
Chance Showers And Thunderstorms
|
57°F |
9 to 14 mph
ESE
|
|
Friday
Sep 18
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
78°F |
10 mph
E
|
|
Friday Night
Sep 18
|
Chance Showers And Thunderstorms
|
55°F |
10 mph
NNE
|
|
Saturday
Sep 19
|
Chance Rain Showers
|
75°F |
9 to 13 mph
NNE
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
51°F |
5 to 10 mph
N
|
|
Sunday
Sep 20
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
74°F |
6 to 12 mph
N
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
49°F |
6 to 10 mph
ENE
|
|
Monday
Sep 21
|
Mostly Sunny
|
75°F |
6 to 13 mph
ESE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Green Grass.