National Weather Service United States Department of Commerce

Heavy rain possible for the northern Rockies & Plains; severe storms for the Northern Plains

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, with locally heavy rainfall, to the northern Rockies and northern Plains. Isolated flash floods will be possible in these areas. Some storms could become severe in parts of the Dakotas into Minnesota, with large hail and damaging winds. In addition, temperatures will be 10 to 20 degrees below average.
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Current Conditions

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Grayson County Airport TX

7 Day Forecast

For More Weather Information:

Dallas/Fort Worth, TX Local Forecast Office

Today

Hot

Hot

High: 99 °F

Tonight

Mostly Clear

Mostly
Clear

Low: 75 °F

Sunday

Hot

Hot

High: 100 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 74 °F

Monday

Hot

Hot

High: 99 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 74 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 98 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 73 °F

Wednesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 95 °F

Detailed Forecast

  • Today Sunny and hot, with a high near 99. Heat index values as high as 102. South wind 10 to 15 mph, with gusts as high as 20 mph.
  • Tonight Mostly clear, with a low around 75. South wind 5 to 10 mph.
  • Sunday Sunny and hot, with a high near 100. Heat index values as high as 103. South wind 5 to 10 mph.
  • Sunday Night Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
  • Monday Sunny and hot, with a high near 99. South southeast wind around 5 mph.
  • Monday Night Mostly clear, with a low around 74. Southeast wind around 5 mph.
  • Tuesday Mostly sunny, with a high near 98. Southeast wind around 5 mph.
  • Tuesday Night Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph.
  • Wednesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.
  • Wednesday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
  • Thursday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 91.
  • Thursday Night A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.