Jefferson, SD Weather Forecast
Local 7-day forecast
Chance Rain Showers
Track current conditions, temperature changes, wind, and the full daily outlook for Jefferson, SD in one place.
A chance of rain showers. Mostly cloudy, with a low around 47. North northeast wind around 5 mph. Chance of precipitation is 20%.
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: Apr 15, 2026 6:36 AM CDT.
The active forecast window currently covers Apr 15 to Apr 21, 2026 for Jefferson, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 15 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 6:36 AM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson
Thursday looks like the warmest upcoming period in Jefferson at 85 degrees F.
Saturday Night is the coolest period ahead with temperatures near 28 degrees F.
The strongest winds are forecast for Friday at about 15 to 25 mph W.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 6:36 AM 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
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 73. Northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 44. South wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 85. South wind 5 to 15 mph, with gusts as high as 25 mph.
Partly cloudy. Low around 51, with temperatures rising to around 57 overnight. South wind around 15 mph, with gusts as high as 25 mph.
A slight chance of rain showers after 1pm. Partly sunny, with a high near 68. West wind 15 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 20%.
A slight chance of rain showers before 1am, then a slight chance of rain and snow showers. Mostly cloudy, with a low around 30.
A slight chance of snow showers. Mostly sunny, with a high near 50.
A slight chance of snow showers before 7pm. Partly cloudy, with a low around 28.
Sunny, with a high near 62.
Mostly clear, with a low around 37.
Sunny, with a high near 75.
Mostly clear, with a low around 48.
Sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Apr 15
|
Chance Rain Showers
|
47°F |
5 mph
NNE
|
|
Wednesday
Apr 15
|
Chance Rain Showers
|
73°F |
5 mph
NE
|
|
Wednesday Night
Apr 15
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
44°F |
5 mph
S
|
|
Thursday
Apr 16
|
Sunny
|
85°F |
5 to 15 mph
S
|
|
Thursday Night
Apr 16
|
Partly Cloudy
|
51°F |
15 mph
S
|
|
Friday
Apr 17
|
Partly Sunny then Slight Chance Rain Showers
|
68°F |
15 to 25 mph
W
|
|
Friday Night
Apr 17
|
Slight Chance Rain Showers then Slight Chance Rain And Snow Showers
|
30°F |
20 to 25 mph
NNW
|
|
Saturday
Apr 18
|
Slight Chance Snow Showers
|
50°F |
15 to 25 mph
NW
|
|
Saturday Night
Apr 18
|
Slight Chance Snow Showers then Partly Cloudy
|
28°F |
5 to 20 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
62°F |
5 to 10 mph
WNW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
37°F |
10 mph
E
|
|
Monday
Apr 20
|
Sunny
|
75°F |
10 to 20 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
48°F |
15 mph
SSW
|
|
Tuesday
Apr 21
|
Sunny
|
77°F |
15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jefferson.