Greenbrier, AR Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Greenbrier, AR in one place.
Mostly sunny, with a high near 96. Heat index values as high as 100. East northeast wind around 5 mph.
Local Weather Overview
This forecast page for Greenbrier, 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: Aug 23, 2026 3:35 PM CDT.
The active forecast window currently covers Aug 23 to Aug 29, 2026 for Greenbrier, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 23 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 3:35 PM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Greenbrier
Tuesday looks like the warmest upcoming period in Greenbrier at 99 degrees F.
Tonight is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for This Afternoon at about 5 mph ENE.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 3:35 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LZK
- Radar station
- KLZK
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 after 4am. Mostly cloudy, with a low around 72. Heat index values as high as 98. East wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 90. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of showers and thunderstorms between 1am and 2am, then a chance of showers and thunderstorms between 2am and 3am, then a slight chance of showers and thunderstorms between 3am and 5am. Mostly cloudy, with a low around 72. East wind around 5 mph. Chance of precipitation is 30%.
Mostly sunny, with a high near 99. Southeast wind around 5 mph.
Partly cloudy, with a low around 74. East wind 0 to 5 mph.
A chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 98. South southeast wind 0 to 5 mph. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 73. East northeast wind around 0 mph. Chance of precipitation is 30%.
Sunny, with a high near 98. North northeast wind 0 to 5 mph.
Partly cloudy, with a low around 72.
Sunny, with a high near 97.
Mostly clear, with a low around 72.
Sunny, with a high near 98.
Mostly clear, with a low around 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
This Afternoon
Aug 23
|
Mostly Sunny
|
96°F |
5 mph
ENE
|
|
Tonight
Aug 23
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
72°F |
0 to 5 mph
E
|
|
Monday
Aug 24
|
Chance Showers And Thunderstorms then Showers And Thunderstorms
|
90°F |
5 mph
E
|
|
Monday Night
Aug 24
|
Mostly Cloudy then Slight Chance Showers And Thunderstorms
|
72°F |
5 mph
E
|
|
Tuesday
Aug 25
|
Mostly Sunny
|
99°F |
5 mph
SE
|
|
Tuesday Night
Aug 25
|
Partly Cloudy
|
74°F |
0 to 5 mph
E
|
|
Wednesday
Aug 26
|
Chance Showers And Thunderstorms
|
98°F |
0 to 5 mph
SSE
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
73°F |
0 mph
|
|
Thursday
Aug 27
|
Sunny
|
98°F |
0 to 5 mph
NNE
|
|
Thursday Night
Aug 27
|
Partly Cloudy
|
72°F |
0 mph
|
|
Friday
Aug 28
|
Sunny
|
97°F |
0 to 5 mph
ENE
|
|
Friday Night
Aug 28
|
Mostly Clear
|
72°F |
0 to 5 mph
E
|
|
Saturday
Aug 29
|
Sunny
|
98°F |
0 to 5 mph
SE
|
|
Saturday Night
Aug 29
|
Mostly Clear
|
73°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Greenbrier.