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 5pm, then a chance of rain and a slight chance of thunderstorms. Mostly sunny, with a high near 84. East northeast wind 0 to 5 mph. Chance of precipitation is 30%. 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
- May 25 to May 30, 2026
- Latest sync
- May 24, 2026 11:04 AM CDT
- Forecast office
- LZK
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Memorial Day looks like the warmest upcoming period in Johnson County at 84 degrees F.
Saturday Night is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Memorial Day at about 0 to 5 mph ENE.
Precipitation is mentioned in 12 upcoming forecast periods.
Forecast Details
- Last updated
- May 24, 2026 11:04 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 rain and a slight chance of thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 10pm, then a chance of rain between 10pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 64. East northeast wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms likely before 7am, then rain likely between 7am and 8am, then rain showers likely between 8am and 10am, then showers and thunderstorms likely. Partly sunny, with a high near 81. East southeast wind 0 to 5 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. East southeast wind around 0 mph. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly sunny, with a high near 84. Southeast wind 0 to 5 mph. Chance of precipitation is 60%.
Showers and thunderstorms. Mostly cloudy, with a low around 67. East southeast wind 0 to 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms. Mostly cloudy, with a high near 82. Southeast wind 0 to 5 mph. Chance of precipitation is 80%.
Showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 80%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 70%.
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Memorial Day
May 25
|
Mostly Sunny then Chance Showers And Thunderstorms
|
84°F |
0 to 5 mph
ENE
|
|
Monday Night
May 25
|
Chance Light Rain then Showers And Thunderstorms Likely
|
64°F |
0 to 5 mph
ENE
|
|
Tuesday
May 26
|
Showers And Thunderstorms Likely
|
81°F |
0 to 5 mph
ESE
|
|
Tuesday Night
May 26
|
Showers And Thunderstorms Likely
|
65°F |
0 mph
|
|
Wednesday
May 27
|
Showers And Thunderstorms Likely
|
84°F |
0 to 5 mph
SE
|
|
Wednesday Night
May 27
|
Showers And Thunderstorms
|
67°F |
0 to 5 mph
ESE
|
|
Thursday
May 28
|
Showers And Thunderstorms
|
82°F |
0 to 5 mph
SE
|
|
Thursday Night
May 28
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
67°F |
0 mph
|
|
Friday
May 29
|
Showers And Thunderstorms Likely
|
82°F |
0 to 5 mph
NNE
|
|
Friday Night
May 29
|
Showers And Thunderstorms Likely
|
65°F |
0 to 5 mph
NE
|
|
Saturday
May 30
|
Chance Rain Showers
|
82°F |
5 mph
NE
|
|
Saturday Night
May 30
|
Chance Showers And Thunderstorms
|
62°F |
5 mph
NE
|
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.
