Grannis, AR Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grannis, AR in one place.
Sunny, with a high near 95. Heat index values as high as 101. South southwest wind around 5 mph.
Local Weather Overview
This forecast page for Grannis, 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 11, 2026 7:50 PM CDT.
The active forecast window currently covers Aug 12 to Aug 17, 2026 for Grannis, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 12 to Aug 17, 2026
- Latest sync
- Aug 11, 2026 7:50 PM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Grannis
Monday looks like the warmest upcoming period in Grannis at 100 degrees F.
Friday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Wednesday at about 5 mph SSW.
The forecast from Aug 12 through Aug 17 stays mostly dry.
Forecast Details
- Last updated
- Aug 11, 2026 7:50 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LZK
- Radar station
- KSRX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 74. Heat index values as high as 99. South wind 0 to 5 mph.
Sunny, with a high near 95. South southwest wind around 5 mph, with gusts as high as 20 mph.
Mostly clear, with a low around 74. South wind 0 to 5 mph.
Sunny, with a high near 96. South southwest wind around 5 mph.
Clear, with a low around 73. South wind 0 to 5 mph.
Sunny, with a high near 96. South southwest wind 0 to 5 mph.
Mostly clear, with a low around 73.
Sunny, with a high near 98.
Mostly clear, with a low around 74.
Sunny, with a high near 100.
Mostly clear, with a low around 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Aug 12
|
Sunny
|
95°F |
5 mph
SSW
|
|
Wednesday Night
Aug 12
|
Mostly Clear
|
74°F |
0 to 5 mph
S
|
|
Thursday
Aug 13
|
Sunny
|
95°F |
5 mph
SSW
|
|
Thursday Night
Aug 13
|
Mostly Clear
|
74°F |
0 to 5 mph
S
|
|
Friday
Aug 14
|
Sunny
|
96°F |
5 mph
SSW
|
|
Friday Night
Aug 14
|
Clear
|
73°F |
0 to 5 mph
S
|
|
Saturday
Aug 15
|
Sunny
|
96°F |
0 to 5 mph
SSW
|
|
Saturday Night
Aug 15
|
Mostly Clear
|
73°F |
0 to 5 mph
WSW
|
|
Sunday
Aug 16
|
Sunny
|
98°F |
0 to 5 mph
SW
|
|
Sunday Night
Aug 16
|
Mostly Clear
|
74°F |
0 mph
|
|
Monday
Aug 17
|
Sunny
|
100°F |
0 to 5 mph
WSW
|
|
Monday Night
Aug 17
|
Mostly Clear
|
74°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grannis.