Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest
A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >
Current conditions at
Sherman/Denison, Grayson County Airport (KGYI)
Lat: 33.72°NLon: 96.67°WElev: 748ft.
Fair
79°F
26°C
| Humidity | 63% |
| Wind Speed | NE 7 mph |
| Barometer | 30.04 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 81°F (27°C) |
| Last update | 24 Aug 12:15 am CDT |
Extended Forecast for
2 Miles SSE Collinsville TX
Overnight
Low: 72 °F
Mostly Clear
Sunday
High: 95 °F
Sunny
Sunday Night
Low: 73 °F
Partly Cloudy
Monday
High: 94 °F
Mostly Sunny
Monday Night
Low: 70 °F
Mostly Cloudy
then Slight
Chance
T-stormsTuesday
High: 81 °F
Chance
T-stormsTuesday Night
Low: 67 °F
Mostly Cloudy
then Slight
Chance
T-stormsWednesday
High: 86 °F
Slight Chance
T-stormsWednesday Night
Low: 70 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 72. North northeast wind around 5 mph.
Sunday
Sunny, with a high near 95. Heat index values as high as 99. North northeast wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 94. Calm wind becoming south around 5 mph in the morning.
Monday Night
A 10 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. East northeast wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. East northeast wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. East northeast wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 86. East southeast wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 70. East southeast wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92.
Thursday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SSE Collinsville TX
33.52°N 96.9°W (Elev. 653 ft)
33.52°N 96.9°W (Elev. 653 ft)
12:24 am CDT Aug 24, 2025
12am CDT Aug 24, 2025-6pm CDT Aug 30, 2025
Additional Resources
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