Grant County, SD Weather Forecast

County weather hub

91°
F

Sunny

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

Wednesday, July 15, 2026
Wind: 5 to 9 mph SSW
Wednesday

Sunny, with a high near 91. South southwest wind 5 to 9 mph.

County weather hub

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
Jul 15 to Jul 21, 2026
Latest sync
Jul 14, 2026 8:25 PM CDT
Forecast office
ABR
Source
NOAA / NWS
Next High
91°F
Wednesday
Next Low
70°F
Wednesday Night
Rain Outlook
2
Periods mentioning precipitation
Windiest
9 to 16 mph
Monday

Daily Outlook

Today
Jul 15
Sunny
91 °F
/ 70°F
Wind 5 to 9 mph
Thu
Jul 16
Sunny
93 °F
/ 73°F
Wind 9 mph
Fri
Jul 17
Sunny
95 °F
/ 70°F
Wind 8 to 14 mph
Sat
Jul 18
Sunny
89 °F
/ 69°F
Wind 6 to 9 mph
Sun
Jul 19
Mostly Sunny
90 °F
/ 70°F
Wind 8 mph
Mon
Jul 20
Slight Chance Rain Showers then Mostly Sunny
85 °F
/ 65°F
Wind 9 to 16 mph
Tue
Jul 21
Mostly Sunny
79 °F
Wind 8 to 13 mph

This Week in Grant County

Friday looks like the warmest upcoming period in Grant County at 95 degrees F.

Monday Night is the coolest period ahead with temperatures near 65 degrees F.

The strongest winds are forecast for Monday at about 9 to 16 mph NW.

Precipitation is mentioned in 2 upcoming forecast periods.

Forecast Details

Last updated
Jul 14, 2026 8:25 PM CDT
Coverage
7 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 source

Extended Forecast

Wednesday Night
Jul 15
70°F
Clear
8 mph S

Clear. Low around 70, with temperatures rising to around 73 overnight. South wind around 8 mph.

Thursday
Jul 16
93°F
Sunny
9 mph SSW

Sunny, with a high near 93. South southwest wind around 9 mph.

Thursday Night
Jul 16
73°F
Mostly Clear
7 to 14 mph S

Mostly clear, with a low around 73. South wind 7 to 14 mph, with gusts as high as 22 mph.

Friday
Jul 17
95°F
Sunny
8 to 14 mph WSW

Sunny, with a high near 95. West southwest wind 8 to 14 mph, with gusts as high as 22 mph.

Friday Night
Jul 17
70°F
Mostly Clear
6 to 9 mph NNW

Mostly clear, with a low around 70. North northwest wind 6 to 9 mph.

Saturday
Jul 18
89°F
Sunny
6 to 9 mph N

Sunny, with a high near 89. North wind 6 to 9 mph.

Saturday Night
Jul 18
69°F
Mostly Clear
6 mph ESE

Mostly clear, with a low around 69. East southeast wind around 6 mph.

Sunday
Jul 19
90°F
Mostly Sunny
8 mph SW

Mostly sunny, with a high near 90.

Sunday Night
Jul 19
70°F
Partly Cloudy then Slight Chance Rain Showers
9 mph W

A slight chance of rain showers after 1am. Partly cloudy, with a low around 70. Chance of precipitation is 20%.

Monday
Jul 20
85°F
Slight Chance Rain Showers then Mostly Sunny
9 to 16 mph NW

A slight chance of rain showers before 7am. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

Monday Night
Jul 20
65°F
Partly Cloudy
8 to 16 mph NNW

Partly cloudy, with a low around 65.

Tuesday
Jul 21
79°F
Mostly Sunny
8 to 13 mph NNW

Mostly sunny, with a high near 79.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Jul 15
Sunny
91°F
5 to 9 mph
SSW
Wednesday Night
Jul 15
Clear
70°F
8 mph
S
Thursday
Jul 16
Sunny
93°F
9 mph
SSW
Thursday Night
Jul 16
Mostly Clear
73°F
7 to 14 mph
S
Friday
Jul 17
Sunny
95°F
8 to 14 mph
WSW
Friday Night
Jul 17
Mostly Clear
70°F
6 to 9 mph
NNW
Saturday
Jul 18
Sunny
89°F
6 to 9 mph
N
Saturday Night
Jul 18
Mostly Clear
69°F
6 mph
ESE
Sunday
Jul 19
Mostly Sunny
90°F
8 mph
SW
Sunday Night
Jul 19
Partly Cloudy then Slight Chance Rain Showers
70°F
9 mph
W
Monday
Jul 20
Slight Chance Rain Showers then Mostly Sunny
85°F
9 to 16 mph
NW
Monday Night
Jul 20
Partly Cloudy
65°F
8 to 16 mph
NNW
Tuesday
Jul 21
Mostly Sunny
79°F
8 to 13 mph
NNW

Major City Forecasts

Live forecast snapshots for major cities across Grant County.

Coverage

Tracked cities
1
Coverage
100%

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

Largest mapped city population in this region: 3,066.

Grant County Courthouse NRHP 92001858 Grant County  SD
Grant County Courthouse NRHP 92001858 Grant County SD 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.