Buchanan County, MO Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Buchanan County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 89.
County Weather Overview
This county weather page brings together forecast coverage for Buchanan 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 Buchanan County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Aug 29 to Sep 1, 2026
- Latest sync
- Aug 26, 2026 12:44 PM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Buchanan County
Sunday looks like the warmest upcoming period in Buchanan County at 92 degrees F.
Monday Night is the coolest period ahead with temperatures near 73 degrees F.
The strongest winds are forecast for Sunday at about 15 to 18 mph S.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 26, 2026 12:44 PM CDT
- Coverage
- 4 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
Partly cloudy, with a low around 74.
Mostly sunny, with a high near 92.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 74. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 90. Chance of precipitation is 30%.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Aug 29
|
Mostly Sunny
|
89°F |
9 to 16 mph
S
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
74°F |
13 to 16 mph
S
|
|
Sunday
Aug 30
|
Mostly Sunny
|
92°F |
15 to 18 mph
S
|
|
Sunday Night
Aug 30
|
Chance Showers And Thunderstorms
|
74°F |
15 mph
S
|
|
Monday
Aug 31
|
Chance Showers And Thunderstorms
|
90°F |
8 to 13 mph
S
|
|
Monday Night
Aug 31
|
Chance Showers And Thunderstorms
|
73°F |
9 mph
SE
|
|
Tuesday
Sep 1
|
Chance Showers And Thunderstorms
|
89°F |
9 mph
S
|
|
Tuesday Night
Sep 1
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
73°F |
8 to 12 mph
SSE
|
Major City Forecasts
Live forecast snapshots for major cities across Buchanan County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Buchanan County.
Largest mapped city population in this region: 74,074.
