Flag Lake, TX 14 Day Weather
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Flag Lake, TX Weather Forecast


Flag Lake, TX Weather Forecast Dated: 350 PM Wed Sep 09 2026
Expect a hot stretch with a mix of sun and clouds and mostly dry weather over the coming period. generally humid conditions and no major pressure swings will dominate. A few thunderstorms possible.
Wednesday, September 9, 2026
Mid-Morning
83°F 29°C
Cloudy
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
85°F 29°C
Scattered Showers
Sizzling hot near 93°F 34°C with a heat index reaching 106°F 41°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the E to the SE at 8 mph 12 km/h.
Thursday, September 10, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
89°F 32°C
Nearby Thunderstorms
Early-Evening
84°F 29°C
Scattered Showers
Quite warm reaching 89°F 32°C, feeling like 98°F 36°C during peak afternoon, locally heavy thunderstorms at times, with steady humidity and steady pressure. Winds switching from the SSW to the SSE at 9 mph 15 km/h.
Friday, September 11, 2026
Mid-Morning
85°F 30°C
Scattered Showers
Mid-Afternoon
92°F 33°C
Nearby Thunderstorms
Early-Evening
84°F 29°C
Nearby Thunderstorms
Very hot with a high of 92°F 33°C, feeling closer to 101°F 38°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds moving from the SSW to the S at 9 mph 15 km/h.
Saturday, September 12, 2026
Mid-Morning
86°F 30°C
Scattered Showers
Mid-Afternoon
88°F 31°C
Overcast
Early-Evening
85°F 30°C
Scattered Showers
Warm and summery around 88°F 31°C (feels like 97°F 36°C), periods of heavy rain and gusty conditions, with steady humidity and steady pressure. A stray shower or storm late in the day. Winds swinging from the S to the SSE at 10 mph 16 km/h.
Sunday, September 13, 2026
Mid-Morning
87°F 30°C
Sunny
Mid-Afternoon
92°F 33°C
Scattered Showers
Early-Evening
86°F 30°C
Scattered Showers
Hot and sweltering around 92°F 33°C (heat index 103°F 40°C), scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the SSE to the SE at 10 mph 16 km/h.
Monday, September 14, 2026
Mid-Morning
86°F 30°C
Scattered Showers
Mid-Afternoon
91°F 33°C
Scattered Showers
Early-Evening
85°F 30°C
Scattered Showers
Very hot with a high of 91°F 33°C, feeling closer to 102°F 39°C in the humidity, locally heavy downpours at times, with steady humidity and steady pressure. Winds turning from the SSE to the SE at 11 mph 17 km/h.
Tuesday, September 15, 2026
Mid-Morning
85°F 30°C
Scattered Showers
Mid-Afternoon
92°F 33°C
Scattered Showers
Early-Evening
86°F 30°C
Scattered Showers
Sizzling hot near 92°F 33°C with a heat index reaching 101°F 38°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds switching from the SSE to the SE at 10 mph 16 km/h.
Wednesday, September 16, 2026
Mid-Morning
86°F 30°C
Sunny
Mid-Afternoon
93°F 34°C
Scattered Showers
Early-Evening
86°F 30°C
Sunny
Hot and sweltering around 93°F 34°C (heat index 103°F 39°C), scattered downpours possible, with steady humidity and steady pressure. Winds moving from the ESE to the SE at 9 mph 15 km/h.
Thursday, September 17, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
86°F 30°C
Overcast
Very hot with a high of 94°F 35°C, feeling closer to 100°F 38°C in the humidity, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds swinging from the E to the SE at 8 mph 12 km/h.
Friday, September 18, 2026
Mid-Morning
85°F 30°C
Sunny
Mid-Afternoon
94°F 35°C
Light Showers
Early-Evening
86°F 30°C
Scattered Showers
Sizzling hot near 94°F 35°C with a heat index reaching 101°F 39°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds shifting from the ESE to the S at 8 mph 13 km/h.
Saturday, September 19, 2026
Mid-Morning
85°F 29°C
Sunny
Mid-Afternoon
94°F 34°C
Partly Cloudy
Early-Evening
85°F 30°C
Sunny
Hot and sweltering around 94°F 34°C (heat index 101°F 38°C), cloudy in the morning, sunny in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure. Winds building from W at 2 mph 4 km/h to SSE at 10 mph 15 km/h.
Sunday, September 20, 2026
Mid-Morning
84°F 29°C
Sunny
Mid-Afternoon
93°F 34°C
Sunny
Early-Evening
84°F 29°C
Sunny
Very hot with a high of 93°F 34°C, feeling closer to 98°F 37°C in the humidity, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the SSW to the SSE at 10 mph 15 km/h.
Monday, September 21, 2026
Mid-Morning
83°F 29°C
Sunny
Mid-Afternoon
94°F 35°C
Sunny
Early-Evening
85°F 29°C
Sunny
Sizzling hot near 94°F 35°C with a heat index reaching 99°F 37°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the E to the ESE at 9 mph 14 km/h.
Tuesday, September 22, 2026
Mid-Morning
83°F 28°C
Sunny
Mid-Afternoon
90°F 32°C
Partly Cloudy
Early-Evening
85°F 29°C
Overcast
Hot and sweltering around 90°F 32°C (heat index 93°F 34°C), partly cloudy in the morning, cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling. Winds building from NE at 7 mph 11 km/h to NNE at 17 mph 27 km/h. Gusts up to 31 mph 50 km/h.
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