Ralph, SD Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Ralph, SD in one place.
Partly sunny. High near 90, with temperatures falling to around 85 in the afternoon. South wind 22 to 29 mph, with gusts as high as 43 mph.
Local Weather Overview
This forecast page for Ralph, 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: Jun 8, 2026 1:21 AM MDT.
The active forecast window currently covers Jun 9 to Jun 14, 2026 for Ralph, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 14, 2026
- Latest sync
- Jun 8, 2026 1:21 AM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Ralph
Tuesday looks like the warmest upcoming period in Ralph at 90 degrees F.
Saturday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Thursday at about 26 to 33 mph W.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 1:21 AM MDT
- Coverage
- 6 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
A chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 52. Northwest wind 12 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.
A chance of rain showers before noon. Partly sunny. High near 71, with temperatures falling to around 69 in the afternoon. West wind 23 to 32 mph, with gusts as high as 45 mph. Chance of precipitation is 30%.
Partly cloudy, with a low around 46.
Mostly sunny, with a high near 70.
Mostly clear, with a low around 46.
Sunny, with a high near 73.
Partly cloudy, with a low around 45.
A slight chance of rain showers after noon. Mostly sunny, with a high near 68.
A slight chance of rain showers after midnight. Partly cloudy, with a low around 44.
A chance of rain showers. Partly sunny, with a high near 68.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Partly Sunny
|
90°F |
22 to 29 mph
S
|
|
Tuesday Night
Jun 9
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
52°F |
12 to 21 mph
NW
|
|
Wednesday
Jun 10
|
Chance Rain Showers then Partly Sunny
|
71°F |
23 to 32 mph
W
|
|
Wednesday Night
Jun 10
|
Partly Cloudy
|
46°F |
20 to 28 mph
W
|
|
Thursday
Jun 11
|
Mostly Sunny
|
70°F |
26 to 33 mph
W
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
46°F |
8 to 26 mph
W
|
|
Friday
Jun 12
|
Sunny
|
73°F |
9 to 22 mph
W
|
|
Friday Night
Jun 12
|
Partly Cloudy
|
45°F |
8 to 21 mph
NW
|
|
Saturday
Jun 13
|
Mostly Sunny then Slight Chance Rain Showers
|
68°F |
10 to 22 mph
NW
|
|
Saturday Night
Jun 13
|
Partly Cloudy then Slight Chance Rain Showers
|
44°F |
8 to 20 mph
NW
|
|
Sunday
Jun 14
|
Chance Rain Showers
|
68°F |
10 to 17 mph
NW
|
Nearby Forecasts
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