Johnson County, MO 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. Mostly cloudy, with a low around 65. East southeast wind around 7 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter 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 31 to Jun 6, 2026
- Latest sync
- May 31, 2026 4:35 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Johnson County
Monday looks like the warmest upcoming period in Johnson County at 88 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 59 degrees F.
The strongest winds are forecast for Sunday at about 6 to 12 mph SE.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- May 31, 2026 4:35 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KEAX
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. Partly sunny, with a high near 87. Southeast wind 6 to 12 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms likely between 11pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. South southeast wind 2 to 9 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A slight chance of rain showers before 7am. Sunny, with a high near 88. Northwest wind 2 to 6 mph. Chance of precipitation is 20%. New rainfall amounts between a tenth and quarter of an inch possible.
Partly cloudy, with a low around 65. Northeast wind around 5 mph.
Mostly sunny, with a high near 84.
Partly cloudy, with a low around 60.
Sunny, with a high near 82.
Mostly clear, with a low around 59.
Mostly sunny, with a high near 84.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 64.
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
A chance of showers and thunderstorms. Partly sunny, with a high near 86.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
May 31
|
Chance Showers And Thunderstorms
|
65°F |
7 mph
ESE
|
|
Sunday
May 31
|
Chance Showers And Thunderstorms
|
87°F |
6 to 12 mph
SE
|
|
Sunday Night
May 31
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
66°F |
2 to 9 mph
SSE
|
|
Monday
Jun 1
|
Slight Chance Rain Showers then Sunny
|
88°F |
2 to 6 mph
NW
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
65°F |
5 mph
NE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
84°F |
3 to 8 mph
ENE
|
|
Tuesday Night
Jun 2
|
Partly Cloudy
|
60°F |
7 mph
E
|
|
Wednesday
Jun 3
|
Sunny
|
82°F |
7 mph
SE
|
|
Wednesday Night
Jun 3
|
Mostly Clear
|
59°F |
6 mph
SE
|
|
Thursday
Jun 4
|
Mostly Sunny
|
84°F |
5 to 9 mph
S
|
|
Thursday Night
Jun 4
|
Partly Cloudy then Slight Chance Rain Showers
|
64°F |
8 mph
S
|
|
Friday
Jun 5
|
Chance Showers And Thunderstorms
|
86°F |
8 to 12 mph
SSW
|
|
Friday Night
Jun 5
|
Chance Showers And Thunderstorms
|
67°F |
8 mph
S
|
|
Saturday
Jun 6
|
Chance Showers And Thunderstorms
|
86°F |
6 to 9 mph
SSW
|
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: 20,539.
