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Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Hazardous Weather Conditions

Current conditions at

Houston, Sugar Land Municipal / Hull Field Airport (KSGR)

Lat: 29.62°NLon: 95.66°WElev: 82ft.

Rain Fog/Mist

68°F

20°C

Humidity 100%
Wind Speed NE 6 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 68°F (20°C)
Visibility 4.00 mi
Last update 12 Apr 7:53 pm CDT
Extended Forecast for

Katy TX

Flood Watch April 12, 08:47pm until April 13, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch April 12, 08:47pm until April 13, 07:00am

    NOW until 7:00am Mon

    Flood Watch

  • Tonight

    Low: 71 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 86. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 87.

    High: 87 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly before midnight. Cloudy, with a low around 71. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. South wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 69. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 86. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Increasing clouds, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Partly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 70.
Friday
Partly sunny, with a high near 88.
Friday Night
Mostly cloudy, with a low around 71.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Sunday
A 20 percent chance of showers. Mostly cloudy, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Katy TX
 29.79°N 95.81°W (Elev. 138 ft)
Last Update:
7:20 pm CDT Apr 12, 2026
Forecast Valid:
8pm CDT Apr 12, 2026-6pm CDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation