Seneca, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Seneca, SD in one place.
Sunny, with a high near 99. Heat index values as high as 98. South wind 13 to 17 mph, with gusts as high as 25 mph.
Local Weather Overview
This forecast page for Seneca, 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 15, 2026 4:50 AM CDT.
The active forecast window currently covers Jul 16 to Jul 21, 2026 for Seneca, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 21, 2026
- Latest sync
- Jul 15, 2026 4:50 AM CDT
- Forecast office
- ABR
- Source
- NOAA / NWS
Daily Outlook
This Week in Seneca
Thursday looks like the warmest upcoming period in Seneca at 99 degrees F.
Monday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Monday at about 14 to 24 mph NNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 4:50 AM CDT
- Coverage
- 6 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. South wind 12 to 15 mph.
Sunny, with a high near 97. North northwest wind around 14 mph.
Mostly clear, with a low around 66. Northeast wind around 15 mph.
Sunny, with a high near 96. East northeast wind around 13 mph.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70. Southeast wind around 15 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 99. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
Mostly sunny, with a high near 90.
Mostly clear, with a low around 61.
Mostly sunny, with a high near 85.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Sunny
|
99°F |
13 to 17 mph
S
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
71°F |
12 to 15 mph
S
|
|
Friday
Jul 17
|
Sunny
|
97°F |
14 mph
NNW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
66°F |
15 mph
NE
|
|
Saturday
Jul 18
|
Sunny
|
96°F |
13 mph
ENE
|
|
Saturday Night
Jul 18
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
70°F |
15 mph
SE
|
|
Sunday
Jul 19
|
Slight Chance Showers And Thunderstorms
|
99°F |
16 mph
SW
|
|
Sunday Night
Jul 19
|
Slight Chance Showers And Thunderstorms
|
68°F |
13 to 16 mph
NW
|
|
Monday
Jul 20
|
Mostly Sunny
|
90°F |
14 to 24 mph
NNW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
61°F |
12 to 24 mph
N
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
85°F |
12 to 16 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Seneca.
Nearby forecast pages are not available for this location yet.