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, with a high near 78. South wind 6 to 18 mph, with gusts as high as 26 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: Apr 16, 2026 10:04 AM CDT.
The active forecast window currently covers Apr 16 to Apr 22, 2026 for Armstrong, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 22, 2026
- Latest sync
- Apr 16, 2026 10:04 AM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong
Today looks like the warmest upcoming period in Armstrong at 78 degrees F.
Friday Night is the coolest period ahead with temperatures near 29 degrees F.
The strongest winds are forecast for Friday at about 20 to 26 mph WSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 16, 2026 10:04 AM CDT
- Coverage
- 7 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
Mostly clear. Low around 53, with temperatures rising to around 58 overnight. South wind 16 to 20 mph, with gusts as high as 30 mph.
A chance of rain showers between 7am and 10am, then showers and thunderstorms likely. Partly sunny. High near 72, with temperatures falling to around 56 in the afternoon. West southwest wind 20 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely before 1am, then a slight chance of rain and snow showers. Partly cloudy. Low around 29, with temperatures rising to around 31 overnight. Northwest wind 21 to 26 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of snow showers before 7am. Mostly sunny, with a high near 48. Northwest wind 20 to 24 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Mostly clear, with a low around 29.
Sunny, with a high near 56.
Mostly clear, with a low around 32.
Sunny, with a high near 70.
Mostly clear, with a low around 47.
Sunny, with a high near 74.
Mostly clear, with a low around 47.
Sunny, with a high near 73.
A chance of rain showers after 7pm. Partly cloudy, with a low around 50.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Apr 16
|
Sunny
|
78°F |
6 to 18 mph
S
|
|
Tonight
Apr 16
|
Mostly Clear
|
53°F |
16 to 20 mph
S
|
|
Friday
Apr 17
|
Showers And Thunderstorms Likely
|
72°F |
20 to 26 mph
WSW
|
|
Friday Night
Apr 17
|
Rain Showers Likely then Slight Chance Rain And Snow Showers
|
29°F |
21 to 26 mph
NW
|
|
Saturday
Apr 18
|
Slight Chance Snow Showers then Mostly Sunny
|
48°F |
20 to 24 mph
NW
|
|
Saturday Night
Apr 18
|
Mostly Clear
|
29°F |
9 to 23 mph
WNW
|
|
Sunday
Apr 19
|
Sunny
|
56°F |
9 to 14 mph
NW
|
|
Sunday Night
Apr 19
|
Mostly Clear
|
32°F |
9 to 13 mph
E
|
|
Monday
Apr 20
|
Sunny
|
70°F |
12 to 21 mph
SSE
|
|
Monday Night
Apr 20
|
Mostly Clear
|
47°F |
15 to 20 mph
SSW
|
|
Tuesday
Apr 21
|
Sunny
|
74°F |
14 to 17 mph
WSW
|
|
Tuesday Night
Apr 21
|
Mostly Clear
|
47°F |
13 to 16 mph
S
|
|
Wednesday
Apr 22
|
Sunny
|
73°F |
13 to 20 mph
SSE
|
|
Wednesday Night
Apr 22
|
Chance Rain Showers
|
50°F |
16 to 20 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Armstrong.