Rapid Valley, SD Weather Forecast
Local 7-day forecast
Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Rapid Valley, SD in one place.
Cloudy, with a high near 48. Northeast wind around 5 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: Oct 13, 2026 5:43 PM MDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Rapid Valley, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 5:43 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 77 degrees F.
Thursday Night is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Thursday at about 16 to 26 mph NW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 5:43 PM MDT
- Coverage
- 8 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 cloudy, with a low around 40. Northwest wind around 3 mph.
A chance of rain showers after 9am. Mostly cloudy. High near 55, with temperatures falling to around 52 in the afternoon. Northeast wind 1 to 6 mph, with gusts as high as 16 mph. Chance of precipitation is 50%.
Rain. Cloudy, with a low around 43. East wind 2 to 12 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Partly sunny. High near 59, with temperatures falling to around 56 in the afternoon. Northwest wind 16 to 26 mph, with gusts as high as 47 mph.
Widespread frost after 3am. Clear, with a low around 31. Northwest wind 3 to 22 mph, with gusts as high as 43 mph.
Widespread frost before 7am. Sunny, with a high near 64.
Clear, with a low around 42.
Sunny, with a high near 77.
Mostly clear, with a low around 48.
Sunny, with a high near 69.
Mostly clear, with a low around 43.
Sunny, with a high near 74.
Mostly clear, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Oct 13
|
Cloudy
|
48°F |
5 mph
NE
|
|
Tonight
Oct 13
|
Mostly Cloudy
|
40°F |
3 mph
NW
|
|
Wednesday
Oct 14
|
Chance Rain Showers
|
55°F |
1 to 6 mph
NE
|
|
Wednesday Night
Oct 14
|
Light Rain
|
43°F |
2 to 12 mph
E
|
|
Thursday
Oct 15
|
Partly Sunny
|
59°F |
16 to 26 mph
NW
|
|
Thursday Night
Oct 15
|
Clear then Widespread Frost
|
31°F |
3 to 22 mph
NW
|
|
Friday
Oct 16
|
Widespread Frost then Sunny
|
64°F |
3 to 20 mph
S
|
|
Friday Night
Oct 16
|
Clear
|
42°F |
8 to 17 mph
SW
|
|
Saturday
Oct 17
|
Sunny
|
77°F |
3 to 7 mph
S
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
48°F |
2 to 10 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
69°F |
6 to 15 mph
N
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
43°F |
2 to 6 mph
W
|
|
Monday
Oct 19
|
Sunny
|
74°F |
6 to 17 mph
S
|
|
Monday Night
Oct 19
|
Mostly Clear
|
48°F |
9 to 13 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rapid Valley.
