Reliance, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Reliance, SD in one place.
Sunny, with a high near 101. Heat index values as high as 100. West southwest wind 7 to 12 mph.
Local Weather Overview
This forecast page for Reliance, 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 9:16 PM CDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Reliance, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 16, 2026 9:16 PM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Reliance
Sunday looks like the warmest upcoming period in Reliance at 103 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Monday at about 9 to 17 mph N.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 16, 2026 9:16 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 sourceExtended Forecast
Mostly clear, with a low around 71. Heat index values as high as 98. Northeast wind 8 to 15 mph, with gusts as high as 23 mph.
Sunny, with a high near 96. East northeast wind around 14 mph, with gusts as high as 22 mph.
Partly cloudy, with a low around 70. East southeast wind around 15 mph, with gusts as high as 23 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 103. South southeast wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. South wind 9 to 15 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 99. North wind 9 to 17 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 67. North northeast wind 10 to 17 mph.
Mostly sunny, with a high near 86.
Partly cloudy, with a low around 62.
A chance of rain showers after 7am. Partly sunny, with a high near 83. Chance of precipitation is 30%.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 40%.
A chance of rain showers before 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Sunny
|
101°F |
7 to 12 mph
WSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
71°F |
8 to 15 mph
NE
|
|
Saturday
Jul 18
|
Sunny
|
96°F |
14 mph
ENE
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
70°F |
15 mph
ESE
|
|
Sunday
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
103°F |
15 mph
SSE
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
73°F |
9 to 15 mph
S
|
|
Monday
Jul 20
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
99°F |
9 to 17 mph
N
|
|
Monday Night
Jul 20
|
Mostly Clear
|
67°F |
10 to 17 mph
NNE
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
86°F |
12 to 16 mph
NNE
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
62°F |
9 to 14 mph
ENE
|
|
Wednesday
Jul 22
|
Chance Rain Showers
|
83°F |
8 to 13 mph
SE
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
62°F |
13 mph
SE
|
|
Thursday
Jul 23
|
Chance Rain Showers
|
84°F |
13 mph
SE
|
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