Gregory, SD Weather Forecast

Local 7-day forecast

55°
F

Mostly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Gregory, SD in one place.

Thursday, October 15, 2026
Wind: 20 to 35 mph NW
This Afternoon

Mostly sunny. High near 55, with temperatures falling to around 51 in the afternoon. Northwest wind 20 to 35 mph, with gusts as high as 50 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Gregory, 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: Oct 15, 2026 3:56 PM CDT.

The active forecast window currently covers Oct 15 to Oct 21, 2026 for Gregory, SD.

Page Snapshot

Page focus
city weather
Forecast window
Oct 15 to Oct 21, 2026
Latest sync
Oct 15, 2026 3:56 PM CDT
Forecast office
FSD
Source
NOAA / NWS
Next High
55°F
This Afternoon
Next Low
36°F
Tonight
Rain Outlook
0
Periods mentioning precipitation
Windiest
20 to 35 mph
This Afternoon

Daily Outlook

Today
Oct 15
Mostly Sunny
55 °F
/ 36°F
Wind 20 to 35 mph
Fri
Oct 16
Mostly Sunny
48 °F
/ 33°F
Wind 10 to 25 mph
Sat
Oct 17
Sunny
65 °F
/ 45°F
Wind 20 to 25 mph
Sun
Oct 18
Sunny
67 °F
/ 39°F
Wind 10 to 20 mph
Mon
Oct 19
Mostly Sunny
64 °F
/ 44°F
Wind 5 to 10 mph
Tue
Oct 20
Sunny
69 °F
/ 52°F
Wind 5 to 15 mph
Wed
Oct 21
Mostly Sunny
73 °F
/ 53°F
Wind 15 mph

This Week in Gregory

Wednesday looks like the warmest upcoming period in Gregory at 73 degrees F.

Friday Night is the coolest period ahead with temperatures near 33 degrees F.

The strongest winds are forecast for This Afternoon at about 20 to 35 mph NW.

The forecast from Oct 15 through Oct 21 stays mostly dry.

Forecast Details

Last updated
Oct 15, 2026 3:56 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
Oct 15
36°F
Mostly Cloudy
30 to 35 mph NW

Mostly cloudy, with a low around 36. Northwest wind 30 to 35 mph, with gusts as high as 50 mph.

Friday
Oct 16
48°F
Mostly Sunny
10 to 25 mph NNW

Mostly sunny, with a high near 48. North northwest wind 10 to 25 mph, with gusts as high as 40 mph.

Friday Night
Oct 16
33°F
Areas Of Frost then Clear
0 to 20 mph SW

Areas of frost between 10pm and midnight. Clear, with a low around 33. Southwest wind 0 to 20 mph, with gusts as high as 35 mph.

Saturday
Oct 17
65°F
Sunny
20 to 25 mph SSW

Sunny, with a high near 65. South southwest wind 20 to 25 mph, with gusts as high as 40 mph.

Saturday Night
Oct 17
45°F
Clear
20 mph SSW

Clear, with a low around 45. South southwest wind around 20 mph, with gusts as high as 35 mph.

Sunday
Oct 18
67°F
Sunny
10 to 20 mph WNW

Sunny, with a high near 67.

Sunday Night
Oct 18
39°F
Partly Cloudy
5 to 10 mph N

Partly cloudy, with a low around 39.

Monday
Oct 19
64°F
Mostly Sunny
5 to 10 mph ENE

Mostly sunny, with a high near 64.

Monday Night
Oct 19
44°F
Mostly Clear
5 to 10 mph SE

Mostly clear, with a low around 44.

Tuesday
Oct 20
69°F
Sunny
5 to 15 mph SSE

Sunny, with a high near 69.

Tuesday Night
Oct 20
52°F
Mostly Clear
15 mph SSE

Mostly clear, with a low around 52.

Wednesday
Oct 21
73°F
Mostly Sunny
15 mph S

Mostly sunny, with a high near 73.

Wednesday Night
Oct 21
53°F
Partly Cloudy
10 mph S

Partly cloudy, with a low around 53.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Oct 15
Mostly Sunny
55°F
20 to 35 mph
NW
Tonight
Oct 15
Mostly Cloudy
36°F
30 to 35 mph
NW
Friday
Oct 16
Mostly Sunny
48°F
10 to 25 mph
NNW
Friday Night
Oct 16
Areas Of Frost then Clear
33°F
0 to 20 mph
SW
Saturday
Oct 17
Sunny
65°F
20 to 25 mph
SSW
Saturday Night
Oct 17
Clear
45°F
20 mph
SSW
Sunday
Oct 18
Sunny
67°F
10 to 20 mph
WNW
Sunday Night
Oct 18
Partly Cloudy
39°F
5 to 10 mph
N
Monday
Oct 19
Mostly Sunny
64°F
5 to 10 mph
ENE
Monday Night
Oct 19
Mostly Clear
44°F
5 to 10 mph
SE
Tuesday
Oct 20
Sunny
69°F
5 to 15 mph
SSE
Tuesday Night
Oct 20
Mostly Clear
52°F
15 mph
SSE
Wednesday
Oct 21
Mostly Sunny
73°F
15 mph
S
Wednesday Night
Oct 21
Partly Cloudy
53°F
10 mph
S

Nearby Forecasts

Explore weather pages for nearby cities and major places around Gregory.

Nearby forecast pages are not available for this location yet.

Gregory  SD W side Main St from 5th St
Gregory SD W side Main St from 5th St 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.