Jefferson, SD Weather Forecast
Local 7-day forecast
Isolated Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Jefferson, SD in one place.
Isolated showers and thunderstorms. Mostly cloudy, with a high near 77. Southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
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: May 30, 2026 5:29 PM CDT.
The active forecast window currently covers May 30 to Jun 5, 2026 for Jefferson, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 5, 2026
- Latest sync
- May 30, 2026 5:29 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson
Wednesday looks like the warmest upcoming period in Jefferson at 86 degrees F.
Monday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for This Afternoon at about 15 to 20 mph SE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- May 30, 2026 5:29 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
A chance of showers and thunderstorms before 2am, then showers and thunderstorms likely between 2am and 3am, then a chance of showers and thunderstorms between 3am and 4am, then a chance of showers and thunderstorms. Mostly cloudy. Low around 58, with temperatures rising to around 64 overnight. East southeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 9am, then a chance of showers and thunderstorms between 9am and 10am, then a chance of showers and thunderstorms between 10am and noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 81. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 11pm, then showers and thunderstorms likely between 11pm and midnight, then a chance of showers and thunderstorms between midnight and 3am. Mostly cloudy. Low around 56, with temperatures rising to around 61 overnight. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Mostly sunny, with a high near 83. West northwest wind 5 to 10 mph.
Mostly clear, with a low around 54. North northeast wind 5 to 10 mph.
Partly sunny, with a high near 84.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56.
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 60%.
Showers and thunderstorms likely before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Partly sunny, with a high near 85. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 56. Chance of precipitation is 40%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
May 30
|
Isolated Showers And Thunderstorms
|
77°F |
15 to 20 mph
SE
|
|
Tonight
May 30
|
Chance Showers And Thunderstorms
|
58°F |
15 to 20 mph
ESE
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
81°F |
10 to 15 mph
SE
|
|
Sunday Night
May 31
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
56°F |
5 to 10 mph
SE
|
|
Monday
Jun 1
|
Mostly Sunny
|
83°F |
5 to 10 mph
WNW
|
|
Monday Night
Jun 1
|
Mostly Clear
|
54°F |
5 to 10 mph
NNE
|
|
Tuesday
Jun 2
|
Partly Sunny
|
84°F |
5 to 10 mph
ESE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
56°F |
10 mph
SE
|
|
Wednesday
Jun 3
|
Chance Showers And Thunderstorms
|
86°F |
10 to 15 mph
SSE
|
|
Wednesday Night
Jun 3
|
Chance Showers And Thunderstorms
|
58°F |
10 to 15 mph
S
|
|
Thursday
Jun 4
|
Showers And Thunderstorms Likely
|
83°F |
10 to 15 mph
S
|
|
Thursday Night
Jun 4
|
Showers And Thunderstorms Likely
|
58°F |
5 to 15 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
85°F |
5 to 10 mph
SSW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
56°F |
0 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jefferson.