Johnson County, AR Weather Forecast
County weather hub
Chance Showers And Thunderstorms
Compare major city weather across Johnson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 50%.
County Weather Overview
This county weather page brings together forecast coverage for Johnson County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Johnson County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 15 to Oct 17, 2026
- Latest sync
- Oct 11, 2026 10:49 AM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Thursday looks like the warmest upcoming period in Johnson County at 84 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 5 to 15 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 11, 2026 10:49 AM CDT
- Coverage
- 3 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 chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 74. Chance of precipitation is 20%.
Partly cloudy, with a low around 49.
Sunny, with a high near 68.
Mostly clear, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Chance Showers And Thunderstorms
|
84°F |
5 to 10 mph
S
|
|
Thursday Night
Oct 15
|
Chance Showers And Thunderstorms
|
61°F |
5 to 15 mph
NW
|
|
Friday
Oct 16
|
Slight Chance Showers And Thunderstorms then Mostly Sunny
|
74°F |
15 mph
NNW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
49°F |
10 to 15 mph
N
|
|
Saturday
Oct 17
|
Sunny
|
68°F |
10 to 15 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
44°F |
5 to 10 mph
NNE
|
Major City Forecasts
Live forecast snapshots for major cities across Johnson County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Johnson County.
Largest mapped city population in this region: 9,721.
