Armstrong, MO Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Armstrong, MO in one place.
A slight chance of showers and thunderstorms between 4am and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. East southeast wind around 6 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Armstrong, MO 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: Jul 24, 2026 3:07 AM CDT.
The active forecast window currently covers Jul 24 to Jul 30, 2026 for Armstrong, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 30, 2026
- Latest sync
- Jul 24, 2026 3:07 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong
Monday looks like the warmest upcoming period in Armstrong at 96 degrees F.
Overnight is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Monday at about 8 to 12 mph SSW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 24, 2026 3:07 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms before 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 74. Southeast wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 8am. Partly sunny, with a high near 91. Heat index values as high as 103. Southwest wind 2 to 6 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
Mostly clear, with a low around 72. South southeast wind around 3 mph.
Sunny, with a high near 95.
Mostly clear, with a low around 76.
Sunny, with a high near 96.
Mostly clear, with a low around 75.
Mostly sunny, with a high near 94.
Partly cloudy, with a low around 73.
Mostly sunny, with a high near 92.
Partly cloudy, with a low around 71.
Mostly sunny, with a high near 92.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 24
|
Slight Chance Showers And Thunderstorms
|
65°F |
6 mph
ESE
|
|
Friday
Jul 24
|
Showers And Thunderstorms
|
74°F |
8 mph
SE
|
|
Friday Night
Jul 24
|
Chance Showers And Thunderstorms
|
68°F |
7 mph
SE
|
|
Saturday
Jul 25
|
Chance Showers And Thunderstorms then Partly Sunny
|
91°F |
2 to 6 mph
SW
|
|
Saturday Night
Jul 25
|
Mostly Clear
|
72°F |
3 mph
SSE
|
|
Sunday
Jul 26
|
Sunny
|
95°F |
2 to 7 mph
S
|
|
Sunday Night
Jul 26
|
Mostly Clear
|
76°F |
3 to 7 mph
S
|
|
Monday
Jul 27
|
Sunny
|
96°F |
8 to 12 mph
SSW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
75°F |
3 to 8 mph
SW
|
|
Tuesday
Jul 28
|
Mostly Sunny
|
94°F |
6 mph
SSW
|
|
Tuesday Night
Jul 28
|
Partly Cloudy
|
73°F |
5 mph
NE
|
|
Wednesday
Jul 29
|
Mostly Sunny
|
92°F |
6 mph
ESE
|
|
Wednesday Night
Jul 29
|
Partly Cloudy
|
71°F |
6 mph
ESE
|
|
Thursday
Jul 30
|
Mostly Sunny
|
92°F |
7 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Armstrong.