Dallas, SD Weather Forecast

Local 7-day forecast

98°
F

Sunny

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

Friday, July 17, 2026
Wind: 6 to 14 mph W
Friday

Sunny, with a high near 98. West wind 6 to 14 mph, with gusts as high as 22 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Dallas, 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: Jul 16, 2026 9:13 PM CDT.

The active forecast window currently covers Jul 17 to Jul 23, 2026 for Dallas, SD.

Page Snapshot

Page focus
city weather
Forecast window
Jul 17 to Jul 23, 2026
Latest sync
Jul 16, 2026 9:13 PM CDT
Forecast office
FSD
Source
NOAA / NWS
Next High
98°F
Friday
Next Low
69°F
Friday Night
Rain Outlook
5
Periods mentioning precipitation
Windiest
10 to 18 mph
Tuesday

Daily Outlook

Today
Jul 17
Sunny
98 °F
/ 69°F
Wind 6 to 14 mph
Sat
Jul 18
Sunny
93 °F
/ 70°F
Wind 9 to 13 mph
Sun
Jul 19
Sunny
100 °F
/ 73°F
Wind 15 mph
Mon
Jul 20
Mostly Sunny
97 °F
/ 68°F
Wind 12 to 15 mph
Tue
Jul 21
Mostly Sunny
86 °F
/ 62°F
Wind 10 to 18 mph
Wed
Jul 22
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
82 °F
/ 61°F
Wind 8 to 15 mph
Thu
Jul 23
Chance Showers And Thunderstorms
84 °F
Wind 14 mph

This Week in Dallas

Sunday looks like the warmest upcoming period in Dallas at 100 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 61 degrees F.

The strongest winds are forecast for Tuesday at about 10 to 18 mph N.

Precipitation is mentioned in 5 upcoming forecast periods.

Forecast Details

Last updated
Jul 16, 2026 9:13 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

Friday Night
Jul 17
69°F
Mostly Clear
9 mph NE

Mostly clear. Low around 69, with temperatures rising to around 71 overnight. Northeast wind around 9 mph, with gusts as high as 16 mph.

Saturday
Jul 18
93°F
Sunny
9 to 13 mph NE

Sunny, with a high near 93. Northeast wind 9 to 13 mph, with gusts as high as 20 mph.

Saturday Night
Jul 18
70°F
Partly Cloudy
13 mph SE

Partly cloudy, with a low around 70. Southeast wind around 13 mph, with gusts as high as 21 mph.

Sunday
Jul 19
100°F
Sunny
15 mph S

Sunny, with a high near 100. South wind around 15 mph, with gusts as high as 23 mph.

Sunday Night
Jul 19
73°F
Chance Showers And Thunderstorms
14 mph SW

A chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 73.

Monday
Jul 20
97°F
Mostly Sunny
12 to 15 mph NW

Mostly sunny, with a high near 97.

Monday Night
Jul 20
68°F
Partly Cloudy
10 to 15 mph N

Partly cloudy, with a low around 68.

Tuesday
Jul 21
86°F
Mostly Sunny
10 to 18 mph N

Mostly sunny, with a high near 86.

Tuesday Night
Jul 21
62°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
8 to 15 mph E

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 62.

Wednesday
Jul 22
82°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
8 to 15 mph S

A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 82.

Wednesday Night
Jul 22
61°F
Chance Showers And Thunderstorms
10 to 16 mph SE

A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 61.

Thursday
Jul 23
84°F
Chance Showers And Thunderstorms
14 mph SE

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84.

Detailed Forecast

Period Conditions Temp Wind
Friday
Jul 17
Sunny
98°F
6 to 14 mph
W
Friday Night
Jul 17
Mostly Clear
69°F
9 mph
NE
Saturday
Jul 18
Sunny
93°F
9 to 13 mph
NE
Saturday Night
Jul 18
Partly Cloudy
70°F
13 mph
SE
Sunday
Jul 19
Sunny
100°F
15 mph
S
Sunday Night
Jul 19
Chance Showers And Thunderstorms
73°F
14 mph
SW
Monday
Jul 20
Mostly Sunny
97°F
12 to 15 mph
NW
Monday Night
Jul 20
Partly Cloudy
68°F
10 to 15 mph
N
Tuesday
Jul 21
Mostly Sunny
86°F
10 to 18 mph
N
Tuesday Night
Jul 21
Partly Cloudy then Slight Chance Showers And Thunderstorms
62°F
8 to 15 mph
E
Wednesday
Jul 22
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
82°F
8 to 15 mph
S
Wednesday Night
Jul 22
Chance Showers And Thunderstorms
61°F
10 to 16 mph
SE
Thursday
Jul 23
Chance Showers And Thunderstorms
84°F
14 mph
SE
Dallas  SD  St. Augustine and water tower from S 1
Dallas SD St. Augustine and water tower from S 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.