Armstrong, AR Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Armstrong, AR in one place.
Mostly clear, with a low around 73. Southeast wind around 0 mph.
Local Weather Overview
This forecast page for Armstrong, AR 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: Sep 15, 2026 2:57 AM CDT.
The active forecast window currently covers Sep 15 to Sep 21, 2026 for Armstrong, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 15 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 2:57 AM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Armstrong
Tuesday looks like the warmest upcoming period in Armstrong at 99 degrees F.
Sunday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 5 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 2:57 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LZK
- Radar station
- KNQA
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny, with a high near 99. Heat index values as high as 110. South wind 0 to 5 mph.
Mostly clear, with a low around 74. Heat index values as high as 103. South southeast wind 0 to 5 mph.
Sunny, with a high near 99. Heat index values as high as 107. South southeast wind 0 to 5 mph.
Mostly clear, with a low around 73. South southeast wind 0 to 5 mph.
Sunny, with a high near 98. South southwest wind 0 to 5 mph.
Mostly clear, with a low around 72. East northeast wind around 0 mph.
Sunny, with a high near 98. Southwest wind 0 to 5 mph.
Mostly clear, with a low around 70. South southeast wind 0 to 5 mph.
Sunny, with a high near 97.
Mostly clear, with a low around 70.
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 94. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Sep 15
|
Mostly Clear
|
73°F |
0 mph
|
|
Tuesday
Sep 15
|
Sunny
|
99°F |
0 to 5 mph
S
|
|
Tuesday Night
Sep 15
|
Mostly Clear
|
74°F |
0 to 5 mph
SSE
|
|
Wednesday
Sep 16
|
Sunny
|
99°F |
0 to 5 mph
SSE
|
|
Wednesday Night
Sep 16
|
Mostly Clear
|
73°F |
0 to 5 mph
SSE
|
|
Thursday
Sep 17
|
Sunny
|
98°F |
0 to 5 mph
SSW
|
|
Thursday Night
Sep 17
|
Mostly Clear
|
72°F |
0 mph
|
|
Friday
Sep 18
|
Sunny
|
98°F |
0 to 5 mph
SW
|
|
Friday Night
Sep 18
|
Mostly Clear
|
70°F |
0 to 5 mph
SSE
|
|
Saturday
Sep 19
|
Sunny
|
97°F |
0 to 5 mph
SE
|
|
Saturday Night
Sep 19
|
Mostly Clear
|
70°F |
0 to 5 mph
S
|
|
Sunday
Sep 20
|
Sunny then Slight Chance Showers And Thunderstorms
|
94°F |
0 to 5 mph
S
|
|
Sunday Night
Sep 20
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 mph
SSW
|
|
Monday
Sep 21
|
Chance Rain Showers
|
87°F |
5 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Armstrong.