Denison, TX

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Weather Forecast for Denison

This Afternoon

Showers and thunderstorms likely, mainly after 4pm. Some of the storms could be severe. Increasing clouds, with a high near 90. Heat index values as high as 99. Southwest wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 7pm. Some of the storms could be severe. Mostly cloudy, with a low around 70. West southwest wind 5 to 10 mph becoming south southeast in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Mostly sunny, with a high near 93. Heat index values as high as 102. South wind 5 to 15 mph.

Thursday Night

Mostly clear, with a low around 75. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

Friday

Mostly sunny, with a high near 92. South wind around 15 mph, with gusts as high as 25 mph.

Friday Night

A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. South wind around 15 mph, with gusts as high as 20 mph.

Saturday

A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 89. South wind around 15 mph, with gusts as high as 20 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind around 15 mph, with gusts as high as 20 mph.

Sunday

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88. South wind around 15 mph, with gusts as high as 20 mph.

Sunday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72.

Monday

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87.

Monday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

Tuesday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.