Grannis, AR Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Grannis, AR in one place.
A slight chance of rain showers between 7am and 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 89. South wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
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: Oct 13, 2026 6:42 PM CDT.
The active forecast window currently covers Oct 14 to Oct 19, 2026 for Grannis, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 14 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 6:42 PM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Grannis
Wednesday looks like the warmest upcoming period in Grannis at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 44 degrees F.
The strongest winds are forecast for Thursday Night at about 0 to 15 mph WNW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 6:42 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
A slight chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 65. South wind 0 to 5 mph. Chance of precipitation is 20%.
Sunny, with a high near 89. South southwest wind 0 to 5 mph.
Mostly clear, with a low around 60. West northwest wind 0 to 15 mph, with gusts as high as 30 mph.
Mostly sunny, with a high near 72. North wind around 15 mph, with gusts as high as 30 mph.
Partly cloudy, with a low around 46. North northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Sunny, with a high near 70. Northeast wind 5 to 10 mph.
Mostly clear, with a low around 44.
Sunny, with a high near 75.
Mostly clear, with a low around 50.
Mostly sunny, with a high near 79.
Partly cloudy, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Oct 14
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
89°F |
5 mph
S
|
|
Wednesday Night
Oct 14
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
65°F |
0 to 5 mph
S
|
|
Thursday
Oct 15
|
Sunny
|
89°F |
0 to 5 mph
SSW
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
60°F |
0 to 15 mph
WNW
|
|
Friday
Oct 16
|
Mostly Sunny
|
72°F |
15 mph
N
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
46°F |
5 to 15 mph
NNE
|
|
Saturday
Oct 17
|
Sunny
|
70°F |
5 to 10 mph
NE
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
44°F |
0 to 5 mph
ENE
|
|
Sunday
Oct 18
|
Sunny
|
75°F |
0 to 5 mph
ESE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
50°F |
0 mph
|
|
Monday
Oct 19
|
Mostly Sunny
|
79°F |
0 to 5 mph
SE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
57°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grannis.