Armstrong, IA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Armstrong, IA in one place.
Mostly sunny, with a high near 91. South southeast wind 6 to 20 mph, with gusts as high as 28 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: Jun 8, 2026 10:47 PM CDT.
The active forecast window currently covers Jun 9 to Jun 15, 2026 for Armstrong, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 9 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 10:47 PM CDT
- Forecast office
- DMX
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong
Wednesday looks like the warmest upcoming period in Armstrong at 92 degrees F.
Saturday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Wednesday at about 21 to 26 mph SSW.
Precipitation is mentioned in 11 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 10:47 PM 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
A chance of showers and thunderstorms between 11pm and 2am. Partly cloudy. Low around 73, with temperatures rising to around 75 overnight. South wind around 21 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 92. South southwest wind 21 to 26 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Mostly clear, with a low around 61. West wind 6 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of rain showers before 7pm. Mostly clear, with a low around 58. Chance of precipitation is 30%.
Sunny, with a high near 82.
A chance of showers and thunderstorms after 1am. Mostly clear, with a low around 59. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 30%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 54.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 75.
A slight chance of rain showers. Mostly cloudy, with a low around 54.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jun 9
|
Mostly Sunny
|
91°F |
6 to 20 mph
SSE
|
|
Tuesday Night
Jun 9
|
Chance Showers And Thunderstorms
|
73°F |
21 mph
S
|
|
Wednesday
Jun 10
|
Mostly Sunny then Chance Showers And Thunderstorms
|
92°F |
21 to 26 mph
SSW
|
|
Wednesday Night
Jun 10
|
Chance Showers And Thunderstorms
|
61°F |
6 to 20 mph
W
|
|
Thursday
Jun 11
|
Chance Showers And Thunderstorms
|
79°F |
9 to 21 mph
NW
|
|
Thursday Night
Jun 11
|
Chance Rain Showers then Mostly Clear
|
58°F |
9 to 20 mph
W
|
|
Friday
Jun 12
|
Sunny
|
82°F |
13 to 22 mph
W
|
|
Friday Night
Jun 12
|
Mostly Clear then Chance Showers And Thunderstorms
|
59°F |
7 to 16 mph
W
|
|
Saturday
Jun 13
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
79°F |
9 to 16 mph
WNW
|
|
Saturday Night
Jun 13
|
Slight Chance Showers And Thunderstorms
|
54°F |
9 to 16 mph
NNW
|
|
Sunday
Jun 14
|
Slight Chance Showers And Thunderstorms
|
75°F |
12 to 16 mph
N
|
|
Sunday Night
Jun 14
|
Slight Chance Rain Showers
|
54°F |
7 to 15 mph
NE
|
|
Monday
Jun 15
|
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
|
74°F |
9 to 15 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Armstrong.