Johnson County, AR Weather Forecast
County weather hub
Mostly Sunny then 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 between 1pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82. South wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
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
- Apr 10 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 9:19 AM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Saturday looks like the warmest upcoming period in Johnson County at 83 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 56 degrees F.
The strongest winds are forecast for Sunday at about 5 to 10 mph SSE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 9:19 AM 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 chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 59. East southeast wind 0 to 5 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Southeast wind 0 to 5 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 61. South southeast wind around 5 mph. Chance of precipitation is 20%.
Showers and thunderstorms likely after 7am. Mostly cloudy, with a high near 76. South southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. South southeast wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. South wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. Chance of precipitation is 50%.
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. Mostly cloudy, with a high near 78. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Apr 10
|
Mostly Sunny then Chance Showers And Thunderstorms
|
82°F |
0 to 5 mph
S
|
|
Friday Night
Apr 10
|
Chance Showers And Thunderstorms then Partly Cloudy
|
59°F |
0 to 5 mph
ESE
|
|
Saturday
Apr 11
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
83°F |
0 to 5 mph
SE
|
|
Saturday Night
Apr 11
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
61°F |
5 mph
SSE
|
|
Sunday
Apr 12
|
Showers And Thunderstorms Likely
|
76°F |
5 to 10 mph
SSE
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
63°F |
5 to 10 mph
SSE
|
|
Monday
Apr 13
|
Showers And Thunderstorms Likely
|
78°F |
5 to 10 mph
S
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
64°F |
5 to 10 mph
SSE
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
79°F |
5 to 10 mph
S
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms
|
62°F |
5 to 10 mph
S
|
|
Wednesday
Apr 15
|
Chance Showers And Thunderstorms
|
78°F |
5 to 10 mph
S
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
56°F |
5 mph
SW
|
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.
