Armstrong, MO Weather Forecast
Local 7-day forecast
Mostly Sunny then 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 rain showers between noon and 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 79. South wind 10 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
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: Apr 22, 2026 12:43 PM CDT.
The active forecast window currently covers Apr 23 to Apr 28, 2026 for Armstrong, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 23 to Apr 28, 2026
- Latest sync
- Apr 22, 2026 12:43 PM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong
Thursday looks like the warmest upcoming period in Armstrong at 79 degrees F.
Monday Night is the coolest period ahead with temperatures near 46 degrees F.
The strongest winds are forecast for Sunday Night at about 15 to 20 mph SE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 22, 2026 12:43 PM CDT
- Coverage
- 6 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
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 59. South wind 12 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 75. West wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 49. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 72.
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 50%.
Showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 80%.
Showers and thunderstorms. Partly sunny, with a high near 74. Chance of precipitation is 80%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 46. Chance of precipitation is 40%.
Mostly sunny, with a high near 68.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 23
|
Mostly Sunny then Chance Showers And Thunderstorms
|
79°F |
10 to 18 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
59°F |
12 to 17 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms
|
75°F |
10 mph
W
|
|
Friday Night
Apr 24
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
49°F |
8 mph
N
|
|
Saturday
Apr 25
|
Mostly Sunny
|
72°F |
9 mph
NE
|
|
Saturday Night
Apr 25
|
Chance Showers And Thunderstorms
|
52°F |
9 mph
E
|
|
Sunday
Apr 26
|
Chance Showers And Thunderstorms
|
74°F |
10 to 15 mph
ESE
|
|
Sunday Night
Apr 26
|
Showers And Thunderstorms
|
59°F |
15 to 20 mph
SE
|
|
Monday
Apr 27
|
Showers And Thunderstorms
|
74°F |
18 mph
SSW
|
|
Monday Night
Apr 27
|
Chance Showers And Thunderstorms
|
46°F |
9 to 17 mph
WNW
|
|
Tuesday
Apr 28
|
Mostly Sunny
|
68°F |
5 to 8 mph
NW
|
|
Tuesday Night
Apr 28
|
Partly Cloudy then Slight Chance Rain Showers
|
48°F |
5 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Armstrong.