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 87. South wind 0 to 10 mph, with gusts as high as 20 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: Apr 15, 2026 2:08 AM CDT.
The active forecast window currently covers Apr 17 to Apr 21, 2026 for Knoxville, AR.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 17 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 2:08 AM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Knoxville
Friday looks like the warmest upcoming period in Knoxville at 87 degrees F.
Saturday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Friday at about 0 to 10 mph S.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 2:08 AM 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
Partly cloudy. Low around 61, with temperatures rising to around 65 overnight. South wind around 5 mph.
A chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 74. West wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. North northwest wind 0 to 5 mph. Chance of precipitation is 50%.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 71. Chance of precipitation is 20%.
Partly cloudy, with a low around 43.
Partly sunny, with a high near 72.
Partly cloudy, with a low around 47.
A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 74.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 17
|
Mostly Sunny
|
87°F |
0 to 10 mph
S
|
|
Friday Night
Apr 17
|
Partly Cloudy
|
61°F |
5 mph
S
|
|
Saturday
Apr 18
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
74°F |
5 mph
W
|
|
Saturday Night
Apr 18
|
Chance Showers And Thunderstorms
|
43°F |
0 to 5 mph
NNW
|
|
Sunday
Apr 19
|
Slight Chance Rain Showers then Mostly Sunny
|
71°F |
0 to 5 mph
N
|
|
Sunday Night
Apr 19
|
Partly Cloudy
|
43°F |
0 to 5 mph
NNE
|
|
Monday
Apr 20
|
Partly Sunny
|
72°F |
0 to 5 mph
ESE
|
|
Monday Night
Apr 20
|
Partly Cloudy
|
47°F |
0 mph
|
|
Tuesday
Apr 21
|
Slight Chance Rain Showers
|
74°F |
0 to 5 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Knoxville.