Gregory County, SD Weather Forecast

County weather hub

94°
F

Sunny

Compare major city weather across Gregory County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Tuesday, July 14, 2026
Wind: 15 to 20 mph S
This Afternoon

Sunny, with a high near 94. South wind 15 to 20 mph, with gusts as high as 30 mph.

County weather hub

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
Jul 14 to Jul 20, 2026
Latest sync
Jul 14, 2026 2:47 PM CDT
Forecast office
FSD
Source
NOAA / NWS
Next High
94°F
This Afternoon
Next Low
67°F
Tonight
Rain Outlook
3
Periods mentioning precipitation
Windiest
15 to 20 mph
This Afternoon

Daily Outlook

Today
Jul 14
Sunny
94 °F
/ 67°F
Wind 15 to 20 mph
Wed
Jul 15
Sunny
93 °F
/ 68°F
Wind 10 to 15 mph
Thu
Jul 16
Sunny
95 °F
/ 72°F
Wind 15 mph
Fri
Jul 17
Sunny
97 °F
/ 72°F
Wind 10 to 15 mph
Sat
Jul 18
Sunny
97 °F
/ 70°F
Wind 10 mph
Sun
Jul 19
Mostly Sunny
95 °F
/ 69°F
Wind 10 to 15 mph
Mon
Jul 20
Slight Chance Showers And Thunderstorms then Mostly Sunny
90 °F
/ 68°F
Wind 10 to 20 mph

This Week in Gregory County

Friday looks like the warmest upcoming period in Gregory County at 97 degrees F.

Tonight is the coolest period ahead with temperatures near 67 degrees F.

The strongest winds are forecast for This Afternoon at about 15 to 20 mph S.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Jul 14, 2026 2:47 PM CDT
Coverage
7 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 source

Extended Forecast

Tonight
Jul 14
67°F
Clear
10 to 20 mph S

Clear, with a low around 67. South wind 10 to 20 mph, with gusts as high as 30 mph.

Wednesday
Jul 15
93°F
Sunny
10 to 15 mph S

Sunny, with a high near 93. South wind 10 to 15 mph, with gusts as high as 25 mph.

Wednesday Night
Jul 15
68°F
Mostly Clear
10 to 15 mph S

Mostly clear, with a low around 68. South wind 10 to 15 mph, with gusts as high as 25 mph.

Thursday
Jul 16
95°F
Sunny
15 mph S

Sunny, with a high near 95. South wind around 15 mph, with gusts as high as 25 mph.

Thursday Night
Jul 16
72°F
Mostly Clear
15 mph S

Mostly clear, with a low around 72. South wind around 15 mph, with gusts as high as 25 mph.

Friday
Jul 17
97°F
Sunny
10 to 15 mph SSW

Sunny, with a high near 97.

Friday Night
Jul 17
72°F
Mostly Clear
10 to 15 mph SSW

Mostly clear, with a low around 72.

Saturday
Jul 18
97°F
Sunny
10 mph N

Sunny, with a high near 97.

Saturday Night
Jul 18
70°F
Mostly Clear
10 mph ESE

Mostly clear, with a low around 70.

Sunday
Jul 19
95°F
Mostly Sunny
10 to 15 mph SE

Mostly sunny, with a high near 95.

Sunday Night
Jul 19
69°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
10 to 15 mph NNE

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69.

Monday
Jul 20
90°F
Slight Chance Showers And Thunderstorms then Mostly Sunny
10 to 20 mph NE

A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 90.

Monday Night
Jul 20
68°F
Partly Cloudy then Slight Chance Rain Showers
10 to 15 mph SE

A slight chance of rain showers after 1am. Partly cloudy, with a low around 68.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Jul 14
Sunny
94°F
15 to 20 mph
S
Tonight
Jul 14
Clear
67°F
10 to 20 mph
S
Wednesday
Jul 15
Sunny
93°F
10 to 15 mph
S
Wednesday Night
Jul 15
Mostly Clear
68°F
10 to 15 mph
S
Thursday
Jul 16
Sunny
95°F
15 mph
S
Thursday Night
Jul 16
Mostly Clear
72°F
15 mph
S
Friday
Jul 17
Sunny
97°F
10 to 15 mph
SSW
Friday Night
Jul 17
Mostly Clear
72°F
10 to 15 mph
SSW
Saturday
Jul 18
Sunny
97°F
10 mph
N
Saturday Night
Jul 18
Mostly Clear
70°F
10 mph
ESE
Sunday
Jul 19
Mostly Sunny
95°F
10 to 15 mph
SE
Sunday Night
Jul 19
Partly Cloudy then Slight Chance Showers And Thunderstorms
69°F
10 to 15 mph
NNE
Monday
Jul 20
Slight Chance Showers And Thunderstorms then Mostly Sunny
90°F
10 to 20 mph
NE
Monday Night
Jul 20
Partly Cloudy then Slight Chance Rain Showers
68°F
10 to 15 mph
SE

Major City Forecasts

Live forecast snapshots for major cities across Gregory County.

Coverage

Tracked cities
1
Coverage
100%

Forecast coverage currently spans 1 of 1 mapped cities in Gregory County.

Largest mapped city population in this region: 1,250.

Dallas SD Carnegie library from NW 1
Dallas SD Carnegie library from NW 1 image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.