National Weather Service United States Department of Commerce

Heavy rain possible for parts of the northern Rockies & Plains; Severe storms for the Upper Midwest

An unseasonably strong storm system in the northwest U.S. will bring showers and thunderstorms, some heavy, to parts of the northern Rockies and northern Plains through Saturday. Isolated flash floods will be possible in these areas. Some of the storms could be severe in parts of the Dakotas into Minnesota, with large hail and damaging winds.
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Hazardous Weather Conditions

Current Conditions

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Katy TX

7 Day Forecast

For More Weather Information:

Houston, TX Local Forecast Office

Overnight

Partly Cloudy

Partly
Cloudy

Low: 77 °F

Saturday

Mostly Sunny

Mostly
Sunny

High: 97 °F

Saturday
Night

Partly Cloudy

Partly
Cloudy

Low: 76 °F

Sunday

Hot

Hot

High: 98 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 76 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 97 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 76 °F

Tuesday

Slight Chance Thunderstorms Chance for Measurable Precipitation 20%

Slight Chc
Thunderstorms

High: 97 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 76 °F

Detailed Forecast

  • Overnight Partly cloudy, with a low around 77. South wind around 5 mph.
  • Saturday Mostly sunny, with a high near 97. Heat index values as high as 104. Calm wind becoming southeast around 5 mph in the afternoon.
  • Saturday Night Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph becoming light southwest after midnight.
  • Sunday Mostly sunny and hot, with a high near 98. Heat index values as high as 104. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
  • Sunday Night Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light and variable after midnight.
  • Monday Mostly sunny, with a high near 97.
  • Monday Night Partly cloudy, with a low around 76.
  • Tuesday A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
  • Tuesday Night Partly cloudy, with a low around 76.
  • Wednesday A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 96.
  • Wednesday Night A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 76.
  • Thursday A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 97.
  • Thursday Night A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
  • Friday A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 97.