Saint Onge, SD Weather Forecast
Local 7-day forecast
Sunny then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Saint Onge, SD in one place.
A chance of showers and thunderstorms after noon. Sunny. High near 93, with temperatures falling to around 91 in the afternoon. East wind 2 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Local Weather Overview
This forecast page for Saint Onge, 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 6:28 PM MDT.
The active forecast window currently covers Jul 17 to Jul 22, 2026 for Saint Onge, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 22, 2026
- Latest sync
- Jul 16, 2026 6:28 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Saint Onge
Sunday looks like the warmest upcoming period in Saint Onge at 96 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Saturday at about 12 to 20 mph SE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 16, 2026 6:28 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
Partly cloudy. Low around 68, with temperatures rising to around 72 overnight. Southeast wind around 12 mph, with gusts as high as 20 mph.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. Southeast wind 12 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 71. South wind 6 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 96.
A chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Mostly sunny, with a high near 93.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64.
A slight chance of rain showers before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 84.
A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 85.
A chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 17
|
Sunny then Chance Showers And Thunderstorms
|
93°F |
2 to 12 mph
E
|
|
Friday Night
Jul 17
|
Partly Cloudy
|
68°F |
12 mph
SE
|
|
Saturday
Jul 18
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
12 to 20 mph
SE
|
|
Saturday Night
Jul 18
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
6 to 17 mph
S
|
|
Sunday
Jul 19
|
Mostly Sunny then Chance Showers And Thunderstorms
|
96°F |
5 to 10 mph
NW
|
|
Sunday Night
Jul 19
|
Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
W
|
|
Monday
Jul 20
|
Mostly Sunny
|
93°F |
5 to 16 mph
NW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
64°F |
3 to 16 mph
NE
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
84°F |
5 to 15 mph
E
|
|
Tuesday Night
Jul 21
|
Chance Showers And Thunderstorms
|
63°F |
7 to 15 mph
SE
|
|
Wednesday
Jul 22
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
85°F |
7 to 14 mph
E
|
|
Wednesday Night
Jul 22
|
Chance Showers And Thunderstorms
|
62°F |
3 to 14 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Saint Onge.