Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday
Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. Read More >
Hazardous Weather Conditions
Current conditions at
McKinney - McKinney National Airport (KTKI)
Lat: 33.18°NLon: 96.59°WElev: 584ft.
Fair
88°F
31°C
| Humidity | 55% |
| Wind Speed | SE 8 mph |
| Barometer | 30.00 in (1015.1 mb) |
| Dewpoint | 70°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 10 Aug 9:53 pm CDT |
Extended Forecast for
Melissa TX
Heat Advisory August 11, 01:00pm until August 11, 08:00pm
Tonight
Low: 77 °F
Clear
Tuesday
High: 98 °F
Sunny
Tuesday Night
Low: 78 °F
Clear
Wednesday
High: 99 °F
Hot
Wednesday Night
Low: 78 °F
Clear
Thursday
High: 99 °F
Hot
Thursday Night
Low: 77 °F
Clear
Friday
High: 99 °F
Hot
Friday Night
Low: 78 °F
Clear
Detailed Forecast
Tonight
Clear, with a low around 77. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 98. Heat index values as high as 107. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 99. Heat index values as high as 109. South wind around 15 mph, with gusts as high as 20 mph.
Wednesday Night
Clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny and hot, with a high near 99. South wind around 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 77. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Sunny and hot, with a high near 99. South wind around 15 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 78. South wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 100.
Sunday Night
Clear, with a low around 77.
Monday
Sunny and hot, with a high near 99.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Melissa TX
33.28°N 96.57°W (Elev. 646 ft)
33.28°N 96.57°W (Elev. 646 ft)
6:12 pm CDT Aug 10, 2026
10pm CDT Aug 10, 2026-6pm CDT Aug 17, 2026
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