Allen, SD Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Allen, SD in one place.
Showers and thunderstorms likely. Partly sunny. High near 85, with temperatures falling to around 80 in the afternoon. East wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Local Weather Overview
This forecast page for Allen, 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: Aug 10, 2026 2:10 PM MDT.
The active forecast window currently covers Aug 12 to Aug 16, 2026 for Allen, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 12 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 2:10 PM MDT
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Allen
Wednesday looks like the warmest upcoming period in Allen at 85 degrees F.
Thursday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Thursday at about 12 to 17 mph E.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 2:10 PM MDT
- Coverage
- 6 days
- Time zone
- America/Denver
- Forecast office
- UNR
- Radar station
- KUDX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely. Cloudy, with a low around 57. East wind 12 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Cloudy, with a high near 72.
A chance of showers and thunderstorms before midnight, then showers and thunderstorms likely. Mostly cloudy, with a low around 55.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
A chance of rain showers before noon, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 76.
A chance of showers and thunderstorms. Partly cloudy, with a low around 55.
A chance of rain showers before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 78.
A chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 12
|
Showers And Thunderstorms Likely
|
85°F |
9 to 15 mph
E
|
|
Wednesday Night
Aug 12
|
Showers And Thunderstorms Likely
|
57°F |
12 to 16 mph
E
|
|
Thursday
Aug 13
|
Showers And Thunderstorms Likely
|
72°F |
12 to 17 mph
E
|
|
Thursday Night
Aug 13
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
55°F |
14 to 17 mph
SE
|
|
Friday
Aug 14
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
74°F |
17 mph
SE
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
55°F |
9 to 15 mph
NE
|
|
Saturday
Aug 15
|
Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
76°F |
10 mph
N
|
|
Saturday Night
Aug 15
|
Chance Showers And Thunderstorms
|
55°F |
9 mph
E
|
|
Sunday
Aug 16
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
78°F |
10 mph
SE
|
|
Sunday Night
Aug 16
|
Chance Showers And Thunderstorms
|
56°F |
9 mph
SE
|
Nearby Forecasts
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