Harrison County, MO Weather Forecast
County weather hub
Mostly Sunny then Chance Showers And Thunderstorms
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A slight chance of rain showers between 2pm and 4pm, then a chance of showers and thunderstorms between 4pm and 5pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Heat index values as high as 96. Southwest wind 6 to 9 mph. Chance of precipitation is 30%.
County Weather Overview
This county weather page brings together forecast coverage for Harrison County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 0 of 0 mapped cities in Harrison County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 1:28 PM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Harrison County
Monday looks like the warmest upcoming period in Harrison County at 97 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Tuesday at about 8 to 13 mph N.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 1:28 PM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
A slight chance of showers and thunderstorms before 9pm. Mostly clear, with a low around 73. South southwest wind around 8 mph. Chance of precipitation is 20%.
Sunny, with a high near 93. Heat index values as high as 99. West southwest wind around 8 mph.
Mostly clear, with a low around 71. Heat index values as high as 97. North northeast wind around 6 mph.
Sunny, with a high near 92. East southeast wind around 5 mph.
Mostly clear, with a low around 73.
Sunny, with a high near 97.
Mostly clear, with a low around 75.
Mostly sunny, with a high near 90.
Partly cloudy, with a low around 66.
Mostly sunny, with a high near 85.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 65.
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 84.
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Jul 17
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
6 to 9 mph
SW
|
|
Tonight
Jul 17
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
73°F |
8 mph
SSW
|
|
Saturday
Jul 18
|
Sunny
|
93°F |
8 mph
WSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
71°F |
6 mph
NNE
|
|
Sunday
Jul 19
|
Sunny
|
92°F |
5 mph
ESE
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
73°F |
5 mph
SSE
|
|
Monday
Jul 20
|
Sunny
|
97°F |
6 to 12 mph
SSW
|
|
Monday Night
Jul 20
|
Mostly Clear
|
75°F |
6 to 10 mph
WSW
|
|
Tuesday
Jul 21
|
Mostly Sunny
|
90°F |
8 to 13 mph
N
|
|
Tuesday Night
Jul 21
|
Partly Cloudy
|
66°F |
5 to 12 mph
NNE
|
|
Wednesday
Jul 22
|
Mostly Sunny
|
85°F |
8 mph
NE
|
|
Wednesday Night
Jul 22
|
Partly Cloudy then Slight Chance Rain Showers
|
65°F |
7 mph
E
|
|
Thursday
Jul 23
|
Slight Chance Showers And Thunderstorms
|
84°F |
5 to 9 mph
SE
|
|
Thursday Night
Jul 23
|
Mostly Cloudy then Chance Showers And Thunderstorms
|
66°F |
9 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Harrison County.
Nearby forecast pages are not available for this location yet.
Coverage
Forecast coverage currently spans 0 of 0 mapped cities in Harrison County.
