Johnson County, MO Weather Forecast
County weather hub
Mostly Clear
Compare major city weather across Johnson County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly clear, with a low around 70. North northeast wind around 1 mph.
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 21, 2026
- Latest sync
- Jul 15, 2026 6:00 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 100 degrees F.
Overnight is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Saturday at about 7 to 10 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 15, 2026 6:00 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
Sunny, with a high near 90. Northeast wind 0 to 5 mph.
Partly cloudy, with a low around 71. South southeast wind 0 to 3 mph.
A slight chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely between 1pm and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Southwest wind 0 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
A slight chance of rain showers between 1pm and 4pm, then a slight chance of showers and thunderstorms. Sunny, with a high near 93. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 75.
Sunny, with a high near 96.
Mostly clear, with a low around 75.
Sunny, with a high near 97.
Mostly clear, with a low around 76.
Sunny, with a high near 100.
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 75.
A slight chance of rain showers before 7am. Sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 15
|
Mostly Clear
|
70°F |
1 mph
NNE
|
|
Wednesday
Jul 15
|
Sunny
|
90°F |
0 to 5 mph
NE
|
|
Wednesday Night
Jul 15
|
Partly Cloudy
|
71°F |
0 to 3 mph
SSE
|
|
Thursday
Jul 16
|
Slight Chance Showers And Thunderstorms
|
88°F |
0 to 6 mph
SW
|
|
Thursday Night
Jul 16
|
Chance Showers And Thunderstorms then Partly Cloudy
|
71°F |
5 mph
SW
|
|
Friday
Jul 17
|
Sunny then Slight Chance Showers And Thunderstorms
|
93°F |
3 to 9 mph
SW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
75°F |
5 to 8 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
96°F |
7 to 10 mph
SW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
75°F |
5 to 9 mph
SW
|
|
Sunday
Jul 19
|
Sunny
|
97°F |
5 to 8 mph
SW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
76°F |
5 to 8 mph
SSW
|
|
Monday
Jul 20
|
Sunny
|
100°F |
9 mph
SW
|
|
Monday Night
Jul 20
|
Slight Chance Showers And Thunderstorms
|
75°F |
5 to 8 mph
WNW
|
|
Tuesday
Jul 21
|
Slight Chance Rain Showers then Sunny
|
94°F |
5 to 9 mph
N
|
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.
