Barnhart, MO Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Barnhart, MO in one place.
Mostly clear, with a low around 62. Wind around 0 mph.
Local Weather Overview
This forecast page for Barnhart, MO is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 29, 2026 4:16 AM CDT.
The active forecast window currently covers Aug 29 to Sep 4, 2026 for Barnhart, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 29 to Sep 4, 2026
- Latest sync
- Aug 29, 2026 4:16 AM CDT
- Forecast office
- LSX
- Source
- NOAA / NWS
Daily Outlook
This Week in Barnhart
Tuesday looks like the warmest upcoming period in Barnhart at 99 degrees F.
Overnight is the coolest period ahead with temperatures near 62 degrees F.
The strongest winds are forecast for Sunday at about 3 to 7 mph S.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 29, 2026 4:16 AM CDT
- Coverage
- 7 days
- Time zone
- America/Chicago
- Forecast office
- LSX
- Radar station
- KLSX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly sunny, with a high near 90. Southeast wind 0 to 5 mph.
Partly cloudy, with a low around 66. South wind around 5 mph.
Mostly sunny, with a high near 95. South wind 3 to 7 mph.
Mostly clear, with a low around 72. South wind around 6 mph.
Sunny, with a high near 98.
Mostly clear, with a low around 75.
Sunny, with a high near 99.
Mostly clear, with a low around 77.
Sunny, with a high near 99.
Mostly clear, with a low around 77.
Sunny, with a high near 98.
A slight chance of rain showers after 1am. Partly cloudy, with a low around 75. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm. Mostly sunny, with a high near 96. Chance of precipitation is 20%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 29
|
Mostly Clear
|
62°F |
0 mph
|
|
Saturday
Aug 29
|
Mostly Sunny
|
90°F |
0 to 5 mph
SE
|
|
Saturday Night
Aug 29
|
Partly Cloudy
|
66°F |
5 mph
S
|
|
Sunday
Aug 30
|
Mostly Sunny
|
95°F |
3 to 7 mph
S
|
|
Sunday Night
Aug 30
|
Mostly Clear
|
72°F |
6 mph
S
|
|
Monday
Aug 31
|
Sunny
|
98°F |
6 mph
S
|
|
Monday Night
Aug 31
|
Mostly Clear
|
75°F |
7 mph
S
|
|
Tuesday
Sep 1
|
Sunny
|
99°F |
5 mph
SW
|
|
Tuesday Night
Sep 1
|
Mostly Clear
|
77°F |
6 mph
S
|
|
Wednesday
Sep 2
|
Sunny
|
99°F |
6 mph
SW
|
|
Wednesday Night
Sep 2
|
Mostly Clear
|
77°F |
5 mph
S
|
|
Thursday
Sep 3
|
Sunny
|
98°F |
5 mph
W
|
|
Thursday Night
Sep 3
|
Partly Cloudy then Slight Chance Rain Showers
|
75°F |
3 mph
S
|
|
Friday
Sep 4
|
Slight Chance Rain Showers
|
96°F |
5 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Barnhart.