Johnson County, MO Weather Forecast
County weather hub
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.
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southeast wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. 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
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 4:35 PM 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 80 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Sunday at about 13 to 22 mph SSW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 4:35 PM CDT
- Coverage
- 5 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 before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 72. Chance of precipitation is 80%.
Showers and thunderstorms likely before 1am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
A slight chance of showers and thunderstorms before 7am. Mostly cloudy, with a high near 80.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly sunny, with a high near 79. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Showers and thunderstorms likely. Partly sunny, with a high near 76. Chance of precipitation is 60%.
A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 52.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Showers And Thunderstorms Likely
|
77°F |
6 to 10 mph
SE
|
|
Saturday Night
Apr 11
|
Chance Showers And Thunderstorms
|
61°F |
8 to 13 mph
S
|
|
Sunday
Apr 12
|
Showers And Thunderstorms
|
72°F |
13 to 22 mph
SSW
|
|
Sunday Night
Apr 12
|
Showers And Thunderstorms Likely
|
63°F |
14 to 17 mph
SSW
|
|
Monday
Apr 13
|
Slight Chance Showers And Thunderstorms then Mostly Cloudy
|
80°F |
14 to 20 mph
SSW
|
|
Monday Night
Apr 13
|
Chance Showers And Thunderstorms
|
66°F |
16 mph
SSW
|
|
Tuesday
Apr 14
|
Chance Showers And Thunderstorms
|
79°F |
15 to 20 mph
SSW
|
|
Tuesday Night
Apr 14
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
57°F |
12 to 16 mph
SSW
|
|
Wednesday
Apr 15
|
Showers And Thunderstorms Likely
|
76°F |
10 to 14 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Showers And Thunderstorms
|
52°F |
6 to 9 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: 20,539.
