Big Lake, MO Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Big Lake, MO in one place.
Mostly sunny, with a high near 97. Heat index values as high as 105. South southwest wind around 12 mph, with gusts as high as 21 mph.
Local Weather Overview
This forecast page for Big Lake, 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 10, 2026 2:03 AM CDT.
The active forecast window currently covers Aug 11 to Aug 16, 2026 for Big Lake, MO.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 11 to Aug 16, 2026
- Latest sync
- Aug 10, 2026 2:03 AM CDT
- Forecast office
- EAX
- Source
- NOAA / NWS
Daily Outlook
This Week in Big Lake
Tuesday looks like the warmest upcoming period in Big Lake at 97 degrees F.
Thursday Night is the coolest period ahead with temperatures near 67 degrees F.
The strongest winds are forecast for Thursday Night at about 10 to 15 mph ENE.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 10, 2026 2:03 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- EAX
- Radar station
- KTWX
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 after 1am. Partly cloudy, with a low around 75. South southeast wind around 8 mph. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly cloudy, with a high near 83. Chance of precipitation is 50%.
A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 11
|
Mostly Sunny
|
97°F |
12 mph
SSW
|
|
Tuesday Night
Aug 11
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
75°F |
8 mph
SSE
|
|
Wednesday
Aug 12
|
Slight Chance Showers And Thunderstorms
|
93°F |
7 mph
SSE
|
|
Wednesday Night
Aug 12
|
Partly Cloudy then Chance Showers And Thunderstorms
|
71°F |
8 mph
ENE
|
|
Thursday
Aug 13
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
82°F |
8 to 13 mph
E
|
|
Thursday Night
Aug 13
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
67°F |
10 to 15 mph
ENE
|
|
Friday
Aug 14
|
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
|
82°F |
10 mph
E
|
|
Friday Night
Aug 14
|
Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
E
|
|
Saturday
Aug 15
|
Chance Showers And Thunderstorms
|
83°F |
6 mph
SSE
|
|
Saturday Night
Aug 15
|
Slight Chance Showers And Thunderstorms
|
67°F |
2 to 6 mph
NE
|
|
Sunday
Aug 16
|
Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
|
80°F |
6 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Big Lake.