Armour, SD Weather Forecast
Local 7-day forecast
Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Armour, SD in one place.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 83. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Local Weather Overview
This forecast page for Armour, 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 15, 2026 9:47 PM CDT.
The active forecast window currently covers Aug 17 to Aug 22, 2026 for Armour, SD.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 17 to Aug 22, 2026
- Latest sync
- Aug 15, 2026 9:47 PM CDT
- Forecast office
- FSD
- Source
- NOAA / NWS
Daily Outlook
This Week in Armour
Monday looks like the warmest upcoming period in Armour at 83 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 15, 2026 9:47 PM CDT
- Coverage
- 6 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 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 50%.
A slight chance of rain showers before 7am. Partly sunny, with a high near 76.
A chance of rain showers after 1am. Partly cloudy, with a low around 56. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.
A slight chance of showers and thunderstorms before 1am. Mostly clear, with a low around 59.
Sunny, with a high near 82.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Aug 17
|
Chance Showers And Thunderstorms
|
83°F |
5 to 15 mph
SW
|
|
Monday Night
Aug 17
|
Chance Showers And Thunderstorms
|
61°F |
5 to 10 mph
SW
|
|
Tuesday
Aug 18
|
Showers And Thunderstorms Likely
|
78°F |
5 to 10 mph
SE
|
|
Tuesday Night
Aug 18
|
Chance Showers And Thunderstorms
|
57°F |
5 to 10 mph
NNE
|
|
Wednesday
Aug 19
|
Slight Chance Rain Showers then Partly Sunny
|
76°F |
5 mph
SW
|
|
Wednesday Night
Aug 19
|
Partly Cloudy then Chance Rain Showers
|
56°F |
5 mph
S
|
|
Thursday
Aug 20
|
Chance Rain Showers
|
78°F |
5 to 10 mph
S
|
|
Thursday Night
Aug 20
|
Chance Showers And Thunderstorms
|
59°F |
5 to 10 mph
S
|
|
Friday
Aug 21
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
81°F |
5 to 10 mph
ESE
|
|
Friday Night
Aug 21
|
Slight Chance Showers And Thunderstorms
|
59°F |
5 to 10 mph
SE
|
|
Saturday
Aug 22
|
Sunny
|
82°F |
5 to 10 mph
S
|
Nearby Forecasts
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Nearby forecast pages are not available for this location yet.
