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

Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

Robert R Wells Jr Airport (K66R)

Lat: 29.64°NLon: 96.52°WElev: 242ft.

Overcast

69°F

21°C

Humidity 98%
Wind Speed Calm
Barometer 29.84 in
Dewpoint 68°F (20°C)
Visibility 7.00 mi
Last update 18 Apr 3:35 am CDT
Extended Forecast for

Sealy TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 68. South wind 5 to 10 mph.

    Low: 68 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph becoming north 10 to 15 mph in the afternoon. Winds could gust 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.

    High: 80 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Low around 54. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 54 °F

    Showers

  • Sunday

    Sunday: Partly sunny, with a high near 71. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 55. Northeast wind 5 to 10 mph.

    Low: 55 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers. Mostly cloudy, with a high near 71.

    High: 71 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.

    Low: 59 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 68. South wind 5 to 10 mph.
Saturday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. South wind 5 to 10 mph becoming north 10 to 15 mph in the afternoon. Winds could gust 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.
Saturday Night
Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Low around 54. North wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Partly sunny, with a high near 71. Northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 55. Northeast wind 5 to 10 mph.
Monday
A 20 percent chance of showers. Mostly cloudy, with a high near 71.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 73. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
Mostly cloudy, with a high near 83.
Thursday Night
Mostly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sealy TX
 29.79°N 96.15°W (Elev. 184 ft)
Last Update:
1:21 am CDT Apr 18, 2026
Forecast Valid:
3am CDT Apr 18, 2026-6pm CDT Apr 24, 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