Grant County, SD Weather Forecast
County weather hub
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Compare major city weather across Grant County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
County Weather Overview
This county weather page brings together forecast coverage for Grant County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 1 of 1 mapped cities in Grant County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Aug 31, 2026
- Latest sync
- Aug 25, 2026 2:56 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Grant County
Sunday looks like the warmest upcoming period in Grant County at 84 degrees F.
Sunday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Saturday at about 12 mph SSE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 25, 2026 2:56 AM CDT
- Coverage
- 3 days
- Time zone
- America/Chicago
- Forecast office
- ABR
- Radar station
- KABR
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 64. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 81. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
83°F |
12 mph
SSE
|
|
Saturday Night
Aug 29
|
Slight Chance Showers And Thunderstorms
|
65°F |
8 mph
SE
|
|
Sunday
Aug 30
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
84°F |
6 to 10 mph
SE
|
|
Sunday Night
Aug 30
|
Slight Chance Showers And Thunderstorms
|
64°F |
9 mph
SSW
|
|
Monday
Aug 31
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
81°F |
10 mph
W
|
Major City Forecasts
Live forecast snapshots for major cities across Grant County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Grant County.
Largest mapped city population in this region: 3,066.
