Alcester, SD Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Alcester, SD in one place.
Partly sunny, with a high near 91. South wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Alcester, 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: Jun 7, 2026 9:31 PM CDT.
The active forecast window currently covers Jun 8 to Jun 14, 2026 for Alcester, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 8 to Jun 14, 2026
- Latest sync
- Jun 7, 2026 9:31 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Alcester
Tuesday looks like the warmest upcoming period in Alcester at 95 degrees F.
Saturday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Tuesday at about 5 to 25 mph SSE.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 7, 2026 9:31 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 slight chance of showers and thunderstorms between 7pm and 5am. Mostly cloudy. Low around 67, with temperatures rising to around 70 overnight. South southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 95. Heat index values as high as 102. South southeast wind 5 to 25 mph, with gusts as high as 35 mph.
Showers and thunderstorms likely after 7pm. Partly cloudy. Low around 71, with temperatures rising to around 74 overnight. South wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Southwest wind 20 to 25 mph, with gusts as high as 35 mph. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly clear, with a low around 59. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 82. Chance of precipitation is 40%.
Mostly clear, with a low around 58.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 87.
A slight chance of showers and thunderstorms. Mostly clear, with a low around 62.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 84.
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 56.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jun 8
|
Partly Sunny
|
91°F |
10 mph
S
|
|
Monday Night
Jun 8
|
Slight Chance Showers And Thunderstorms
|
67°F |
5 mph
SSE
|
|
Tuesday
Jun 9
|
Mostly Sunny
|
95°F |
5 to 25 mph
SSE
|
|
Tuesday Night
Jun 9
|
Showers And Thunderstorms Likely
|
71°F |
20 to 25 mph
S
|
|
Wednesday
Jun 10
|
Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
|
93°F |
20 to 25 mph
SW
|
|
Wednesday Night
Jun 10
|
Slight Chance Showers And Thunderstorms
|
59°F |
5 to 20 mph
WNW
|
|
Thursday
Jun 11
|
Chance Showers And Thunderstorms then Mostly Sunny
|
82°F |
10 to 25 mph
WNW
|
|
Thursday Night
Jun 11
|
Mostly Clear
|
58°F |
5 to 20 mph
W
|
|
Friday
Jun 12
|
Sunny then Slight Chance Showers And Thunderstorms
|
87°F |
5 to 15 mph
SW
|
|
Friday Night
Jun 12
|
Slight Chance Showers And Thunderstorms
|
62°F |
5 to 15 mph
SSW
|
|
Saturday
Jun 13
|
Slight Chance Showers And Thunderstorms
|
84°F |
10 to 15 mph
NW
|
|
Saturday Night
Jun 13
|
Slight Chance Showers And Thunderstorms
|
56°F |
5 to 15 mph
N
|
|
Sunday
Jun 14
|
Slight Chance Showers And Thunderstorms
|
78°F |
10 to 15 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Alcester.