Armstrong, IA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Armstrong, IA in one place.
Sunny. High near 39, with temperatures falling to around 34 in the afternoon. North northeast wind around 6 mph.
Local Weather Overview
This forecast page for Armstrong, IA 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 13, 2026 12:23 PM CST.
The active forecast window currently covers Nov 13 to Nov 19, 2026 for Armstrong, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Nov 13 to Nov 19, 2026
- Latest sync
- Nov 13, 2026 12:23 PM CST
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong
Wednesday looks like the warmest upcoming period in Armstrong at 55 degrees F.
Tonight is the coolest period ahead with temperatures near 20 degrees F.
The strongest winds are forecast for Tuesday at about 14 to 22 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Nov 13, 2026 12:23 PM CST
- Coverage
- 8 days
- Time zone
- America/Chicago
- Forecast office
- DMX
- Radar station
- KMPX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 20. East southeast wind 1 to 5 mph.
Sunny. High near 42, with temperatures falling to around 37 in the afternoon. South southeast wind 2 to 7 mph.
Mostly clear, with a low around 20. South wind around 5 mph.
Sunny, with a high near 43. South wind 5 to 9 mph.
Clear, with a low around 26.
Sunny, with a high near 48.
Mostly clear, with a low around 32.
Mostly sunny, with a high near 52.
Partly cloudy, with a low around 39.
Partly sunny, with a high near 55.
A chance of rain showers. Mostly cloudy, with a low around 43. Chance of precipitation is 30%.
A chance of rain showers. Partly sunny, with a high near 55. Chance of precipitation is 40%.
A slight chance of rain showers before midnight. Partly cloudy, with a low around 39.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Nov 13
|
Sunny
|
39°F |
6 mph
NNE
|
|
Tonight
Nov 13
|
Clear
|
20°F |
1 to 5 mph
ESE
|
|
Saturday
Nov 14
|
Sunny
|
42°F |
2 to 7 mph
SSE
|
|
Saturday Night
Nov 14
|
Mostly Clear
|
20°F |
5 mph
S
|
|
Sunday
Nov 15
|
Sunny
|
43°F |
5 to 9 mph
S
|
|
Sunday Night
Nov 15
|
Clear
|
26°F |
9 mph
S
|
|
Monday
Nov 16
|
Sunny
|
48°F |
9 to 16 mph
S
|
|
Monday Night
Nov 16
|
Mostly Clear
|
32°F |
14 mph
S
|
|
Tuesday
Nov 17
|
Mostly Sunny
|
52°F |
14 to 22 mph
S
|
|
Tuesday Night
Nov 17
|
Partly Cloudy
|
39°F |
18 mph
S
|
|
Wednesday
Nov 18
|
Partly Sunny
|
55°F |
17 to 22 mph
S
|
|
Wednesday Night
Nov 18
|
Chance Rain Showers
|
43°F |
14 to 17 mph
S
|
|
Thursday
Nov 19
|
Chance Rain Showers
|
55°F |
9 to 16 mph
SW
|
|
Thursday Night
Nov 19
|
Slight Chance Rain Showers then Partly Cloudy
|
39°F |
5 to 8 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Armstrong.