Johnson County, AR Weather Forecast
County weather hub
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Compare major city weather across Johnson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
A slight chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny. High near 88, with temperatures falling to around 84 in the afternoon. Northeast wind 0 to 5 mph. Chance of precipitation is 70%.
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
- Jul 15 to Jul 19, 2026
- Latest sync
- Jul 13, 2026 4:56 AM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Sunday looks like the warmest upcoming period in Johnson County at 97 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 71 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 5 mph NE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 13, 2026 4:56 AM CDT
- Coverage
- 5 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
Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 71. Northeast wind around 0 mph. Chance of precipitation is 70%.
A slight chance of showers and thunderstorms after 7am. Mostly sunny, with a high near 91. West wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 72. West wind 0 to 5 mph. Chance of precipitation is 20%.
Sunny, with a high near 94.
Mostly clear, with a low around 73.
Sunny, with a high near 96.
Mostly clear, with a low around 74.
Sunny, with a high near 97.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jul 15
|
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
88°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jul 15
|
Showers And Thunderstorms Likely then Partly Cloudy
|
71°F |
0 mph
|
|
Thursday
Jul 16
|
Slight Chance Showers And Thunderstorms
|
91°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Slight Chance Showers And Thunderstorms then Partly Cloudy
|
72°F |
0 to 5 mph
W
|
|
Friday
Jul 17
|
Sunny
|
94°F |
0 to 5 mph
W
|
|
Friday Night
Jul 17
|
Mostly Clear
|
73°F |
0 to 5 mph
WNW
|
|
Saturday
Jul 18
|
Sunny
|
96°F |
0 to 5 mph
W
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
74°F |
0 to 5 mph
W
|
|
Sunday
Jul 19
|
Sunny
|
97°F |
0 to 5 mph
W
|
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.
