Allen, SD Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Allen, SD in one place.
Mostly sunny. High near 57, with temperatures falling to around 46 in the afternoon. Northwest wind around 5 mph.
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: Nov 6, 2026 6:01 PM MST.
The active forecast window currently covers Nov 6 to Nov 12, 2026 for Allen, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 6 to Nov 12, 2026
- Latest sync
- Nov 6, 2026 6:01 PM MST
- Forecast office
- UNR
- Source
- NOAA / NWS
Daily Outlook
This Week in Allen
Sunday looks like the warmest upcoming period in Allen at 67 degrees F.
Tonight is the coolest period ahead with temperatures near 31 degrees F.
The strongest winds are forecast for Sunday at about 10 to 20 mph SW.
The forecast from Nov 6 through Nov 12 stays mostly dry.
Forecast Details
- Last updated
- Nov 6, 2026 6:01 PM MST
- Coverage
- 7 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
Mostly clear. Low around 31, with temperatures rising to around 34 overnight. West wind 5 to 12 mph, with gusts as high as 18 mph.
Mostly sunny. High near 61, with temperatures falling to around 51 in the afternoon. West wind 7 to 14 mph, with gusts as high as 23 mph.
Mostly clear. Low around 32, with temperatures rising to around 34 overnight. West wind 5 to 9 mph.
Sunny. High near 67, with temperatures falling to around 57 in the afternoon. Southwest wind 10 to 20 mph, with gusts as high as 32 mph.
Mostly clear, with a low around 41. West wind 8 to 15 mph, with gusts as high as 28 mph.
Sunny, with a high near 57.
Partly cloudy, with a low around 38.
Mostly sunny, with a high near 57.
Partly cloudy, with a low around 38.
Sunny, with a high near 59.
Partly cloudy, with a low around 39.
Sunny, with a high near 60.
Mostly clear, with a low around 41.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Nov 6
|
Mostly Sunny
|
57°F |
5 mph
NW
|
|
Tonight
Nov 6
|
Mostly Clear
|
31°F |
5 to 12 mph
W
|
|
Saturday
Nov 7
|
Mostly Sunny
|
61°F |
7 to 14 mph
W
|
|
Saturday Night
Nov 7
|
Mostly Clear
|
32°F |
5 to 9 mph
W
|
|
Sunday
Nov 8
|
Sunny
|
67°F |
10 to 20 mph
SW
|
|
Sunday Night
Nov 8
|
Mostly Clear
|
41°F |
8 to 15 mph
W
|
|
Monday
Nov 9
|
Sunny
|
57°F |
5 to 8 mph
N
|
|
Monday Night
Nov 9
|
Partly Cloudy
|
38°F |
3 to 10 mph
SE
|
|
Tuesday
Nov 10
|
Mostly Sunny
|
57°F |
7 to 13 mph
W
|
|
Tuesday Night
Nov 10
|
Partly Cloudy
|
38°F |
7 to 13 mph
NW
|
|
Veterans Day
Nov 11
|
Sunny
|
59°F |
6 to 15 mph
W
|
|
Wednesday Night
Nov 11
|
Partly Cloudy
|
39°F |
6 to 10 mph
W
|
|
Thursday
Nov 12
|
Sunny
|
60°F |
7 to 10 mph
SW
|
|
Thursday Night
Nov 12
|
Mostly Clear
|
41°F |
7 to 14 mph
S
|
Nearby Forecasts
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