Grand Port, MO Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Port, MO in one place.
A slight chance of rain showers before 7am. Mostly sunny, with a high near 87. Heat index values as high as 97. South southwest wind 1 to 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for Grand Port, 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 6, 2026 6:38 PM CDT.
The active forecast window currently covers Aug 7 to Aug 12, 2026 for Grand Port, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 7 to Aug 12, 2026
- Latest sync
- Aug 6, 2026 6:38 PM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Port
Monday looks like the warmest upcoming period in Grand Port at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 69 degrees F.
The strongest winds are forecast for Monday at about 12 to 15 mph SSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 6, 2026 6:38 PM CDT
- Coverage
- 6 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 slight chance of showers and thunderstorms between 9pm and midnight. Mostly clear, with a low around 69. Heat index values as high as 96. Southwest wind 1 to 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunny, with a high near 88. East southeast wind 0 to 8 mph.
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly clear, with a low around 72. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Partly cloudy, with a low around 74.
Sunny, with a high near 92.
Mostly clear, with a low around 74.
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 90.
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 69.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Aug 7
|
Slight Chance Rain Showers then Mostly Sunny
|
87°F |
1 to 7 mph
SSW
|
|
Friday Night
Aug 7
|
Slight Chance Showers And Thunderstorms then Mostly Clear
|
69°F |
1 to 6 mph
SW
|
|
Saturday
Aug 8
|
Sunny
|
88°F |
0 to 8 mph
ESE
|
|
Saturday Night
Aug 8
|
Mostly Clear then Chance Showers And Thunderstorms
|
72°F |
8 mph
SSE
|
|
Sunday
Aug 9
|
Chance Showers And Thunderstorms
|
91°F |
8 to 13 mph
SSW
|
|
Sunday Night
Aug 9
|
Partly Cloudy
|
74°F |
8 to 12 mph
S
|
|
Monday
Aug 10
|
Sunny
|
92°F |
12 to 15 mph
SSW
|
|
Monday Night
Aug 10
|
Mostly Clear
|
74°F |
12 mph
SSW
|
|
Tuesday
Aug 11
|
Mostly Sunny then Slight Chance Rain Showers
|
90°F |
12 mph
SSW
|
|
Tuesday Night
Aug 11
|
Chance Showers And Thunderstorms
|
72°F |
5 to 8 mph
S
|
|
Wednesday
Aug 12
|
Chance Showers And Thunderstorms
|
87°F |
8 mph
SSW
|
|
Wednesday Night
Aug 12
|
Chance Showers And Thunderstorms
|
69°F |
6 mph
SE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Port.