Rapid Valley, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rapid Valley, SD in one place.
Sunny, with a high near 99. South wind 9 to 17 mph, with gusts as high as 31 mph.
Local Weather Overview
This forecast page for Rapid Valley, 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 14, 2026 4:33 PM MDT.
The active forecast window currently covers Jul 15 to Jul 20, 2026 for Rapid Valley, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 15 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 4:33 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Rapid Valley
Saturday looks like the warmest upcoming period in Rapid Valley at 103 degrees F.
Monday Night is the coolest period ahead with temperatures near 64 degrees F.
The strongest winds are forecast for Wednesday at about 9 to 17 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 4:33 PM MDT
- Coverage
- 7 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear. Low around 70, with temperatures rising to around 72 overnight. South wind 8 to 16 mph, with gusts as high as 28 mph.
Sunny. High near 100, with temperatures falling to around 98 in the afternoon. Northeast wind 6 to 12 mph, with gusts as high as 23 mph.
Partly cloudy, with a low around 69. Northwest wind 6 to 12 mph, with gusts as high as 23 mph.
Sunny, with a high near 99.
Mostly clear, with a low around 69.
Sunny, with a high near 103.
Partly cloudy, with a low around 72.
A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 99.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.
A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 93.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Sunny
|
99°F |
9 to 17 mph
S
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
70°F |
8 to 16 mph
S
|
|
Thursday
Jul 16
|
Sunny
|
100°F |
6 to 12 mph
NE
|
|
Thursday Night
Jul 16
|
Partly Cloudy
|
69°F |
6 to 12 mph
NW
|
|
Friday
Jul 17
|
Sunny
|
99°F |
6 to 9 mph
NE
|
|
Friday Night
Jul 17
|
Mostly Clear
|
69°F |
2 to 9 mph
S
|
|
Saturday
Jul 18
|
Sunny
|
103°F |
2 to 13 mph
S
|
|
Saturday Night
Jul 18
|
Partly Cloudy
|
72°F |
7 to 13 mph
SW
|
|
Sunday
Jul 19
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
99°F |
7 to 15 mph
N
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
68°F |
8 to 14 mph
N
|
|
Monday
Jul 20
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
93°F |
8 to 14 mph
N
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
64°F |
5 to 14 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rapid Valley.
