Gregory County, SD Weather Forecast
County weather hub
Rain Showers
Compare major city weather across Gregory County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Rain showers before 1pm. Mostly cloudy, with a high near 60. North wind 10 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 80%.
County Weather Overview
This county weather page brings together forecast coverage for Gregory 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 Gregory County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 3:14 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Gregory County
Sunday looks like the warmest upcoming period in Gregory County at 71 degrees F.
Thursday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Saturday at about 25 to 30 mph SSW.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 13, 2026 3:14 AM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KLNX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 36.
Sunny, with a high near 55.
Clear, with a low around 36.
Sunny, with a high near 69.
Mostly clear, with a low around 48.
Sunny, with a high near 71.
Mostly clear, with a low around 45.
Sunny, with a high near 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Rain Showers
|
60°F |
10 to 25 mph
N
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
36°F |
20 to 25 mph
NNW
|
|
Friday
Oct 16
|
Sunny
|
55°F |
5 to 15 mph
NW
|
|
Friday Night
Oct 16
|
Clear
|
36°F |
5 to 25 mph
S
|
|
Saturday
Oct 17
|
Sunny
|
69°F |
25 to 30 mph
SSW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
48°F |
20 to 25 mph
SSW
|
|
Sunday
Oct 18
|
Sunny
|
71°F |
5 to 15 mph
W
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
45°F |
5 mph
NNW
|
|
Monday
Oct 19
|
Sunny
|
69°F |
5 mph
ENE
|
Major City Forecasts
Live forecast snapshots for major cities across Gregory County.
Coverage
Forecast coverage currently spans 1 of 1 mapped cities in Gregory County.
Largest mapped city population in this region: 1,250.