Knoxville, AR Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Knoxville, AR in one place.
Mostly sunny, with a high near 97. West southwest wind around 0 mph.
Local Weather Overview
This forecast page for Knoxville, 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 18, 2026 5:03 PM CDT.
The active forecast window currently covers Sep 20 to Sep 24, 2026 for Knoxville, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 20 to Sep 24, 2026
- Latest sync
- Sep 18, 2026 5:03 PM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Knoxville
Sunday looks like the warmest upcoming period in Knoxville at 97 degrees F.
Thursday Night is the coolest period ahead with temperatures near 61 degrees F.
The strongest winds are forecast for Tuesday at about 0 to 5 mph NNE.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 18, 2026 5:03 PM CDT
- Coverage
- 5 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
Mostly cloudy, with a low around 70. West northwest wind around 0 mph.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. West northwest wind around 0 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67. North northwest wind around 0 mph. Chance of precipitation is 20%.
Mostly sunny, with a high near 92. North northeast wind 0 to 5 mph.
Partly cloudy, with a low around 63.
Sunny, with a high near 89.
Mostly clear, with a low around 62.
Sunny, with a high near 88.
Partly cloudy, with a low around 61.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Sunday
Sep 20
|
Mostly Sunny
|
97°F |
0 mph
|
|
Sunday Night
Sep 20
|
Mostly Cloudy
|
70°F |
0 mph
|
|
Monday
Sep 21
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
95°F |
0 mph
|
|
Monday Night
Sep 21
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
67°F |
0 mph
|
|
Tuesday
Sep 22
|
Mostly Sunny
|
92°F |
0 to 5 mph
NNE
|
|
Tuesday Night
Sep 22
|
Partly Cloudy
|
63°F |
0 mph
|
|
Wednesday
Sep 23
|
Sunny
|
89°F |
5 mph
NE
|
|
Wednesday Night
Sep 23
|
Mostly Clear
|
62°F |
0 mph
|
|
Thursday
Sep 24
|
Sunny
|
88°F |
0 to 5 mph
NE
|
|
Thursday Night
Sep 24
|
Partly Cloudy
|
61°F |
0 mph
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Knoxville.