Jefferson, SD Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Jefferson, SD in one place.
Sunny, with a high near 92. South wind around 10 mph.
Local Weather Overview
This forecast page for Jefferson, 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 7:21 PM CDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Jefferson, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 7:21 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson
Sunday looks like the warmest upcoming period in Jefferson at 99 degrees F.
Tonight is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph NW.
The forecast from Jul 14 through Jul 20 stays mostly dry.
Forecast Details
- Last updated
- Jul 14, 2026 7:21 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- FSD
- Radar station
- KFSD
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 67. South southeast wind 0 to 10 mph.
Sunny, with a high near 91. South southeast wind 0 to 10 mph.
Mostly clear, with a low around 68. South southeast wind 5 to 10 mph.
Sunny, with a high near 92. South wind 5 to 10 mph.
Mostly clear, with a low around 72. South southeast wind 5 to 10 mph.
Sunny, with a high near 97.
Mostly clear, with a low around 75.
Sunny, with a high near 97.
Mostly clear, with a low around 73.
Sunny, with a high near 99.
Mostly clear, with a low around 74.
Mostly sunny, with a high near 96.
Partly cloudy, with a low around 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Jul 14
|
Sunny
|
92°F |
10 mph
S
|
|
Tonight
Jul 14
|
Clear
|
67°F |
0 to 10 mph
SSE
|
|
Wednesday
Jul 15
|
Sunny
|
91°F |
0 to 10 mph
SSE
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
68°F |
5 to 10 mph
SSE
|
|
Thursday
Jul 16
|
Sunny
|
92°F |
5 to 10 mph
S
|
|
Thursday Night
Jul 16
|
Mostly Clear
|
72°F |
5 to 10 mph
SSE
|
|
Friday
Jul 17
|
Sunny
|
97°F |
5 to 10 mph
SSW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
75°F |
5 to 10 mph
SSW
|
|
Saturday
Jul 18
|
Sunny
|
97°F |
5 mph
NW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
73°F |
5 to 10 mph
E
|
|
Sunday
Jul 19
|
Sunny
|
99°F |
5 to 10 mph
S
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
74°F |
5 to 10 mph
SE
|
|
Monday
Jul 20
|
Mostly Sunny
|
96°F |
5 to 15 mph
NW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
70°F |
5 to 15 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jefferson.