National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Houston, Pearland Regional Airport (KLVJ)

Lat: 29.52°NLon: 95.24°WElev: 43ft.

Overcast

77°F

25°C

Humidity 71%
Wind Speed NW 3 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 21 May 3:53 pm CDT
Extended Forecast for

Iowa Colony TX

Flood Watch May 21, 04:20pm until May 25, 07:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 21, 04:20pm until May 25, 07:00am

    NOW until 7:00am Mon

    Flood Watch

  • This Afternoon

    High: 81 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind 5 to 10 mph.

    High: 85 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. South wind 5 to 10 mph becoming light southeast after midnight.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 71. Chance of precipitation is 90%.

    Low: 71 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 81. Chance of precipitation is 90%.

    High: 81 °F

    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 72. South wind 5 to 10 mph becoming light southeast after midnight.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 84. Light southeast wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 71. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm before 1pm, then showers and thunderstorms likely after 1pm. High near 81. Chance of precipitation is 90%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Memorial Day
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Iowa Colony TX
 29.45°N 95.42°W (Elev. 49 ft)
Last Update:
1:56 pm CDT May 21, 2026
Forecast Valid:
4pm CDT May 21, 2026-6pm CDT May 28, 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