Tracking Major Hurricane Erin; Hot in the Mid-Mississippi Valley

Major Hurricane Erin is tracking just north of the lower Bahamas today. Dangerous surf and rip current threats increase this week for most of the Atlantic coastline. Erin's outerbands may impact the Outer Banks later this week. Hot to extremely hot temperatures are forecast today and Tuesday from a part of the southern Plains into the central to lower Mississippi River Valley. Read More >

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fair

96°F

36°C

Humidity 44%
Wind Speed W 10 G 23 mph
Barometer 30.02 in
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index103°F (39°C)
Last update 18 Aug 1:35 pm CDT
Extended Forecast for

Wylie TX

Heat Advisory August 18, 01:42pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 18, 01:42pm until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 97 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 79. East wind around 5 mph becoming calm  in the evening.

    Low: 79 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100. Heat index values as high as 103. Calm wind becoming east around 5 mph in the afternoon.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 79. East wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am.  Mostly sunny, with a high near 97. North wind around 5 mph.  Chance of precipitation is 50%.

    High: 97 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Partly cloudy, with a low around 75. Northeast wind around 5 mph.  Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Sunny, with a high near 92. North northeast wind around 5 mph.  Chance of precipitation is 40%.

    High: 92 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms before 1am.  Mostly clear, with a low around 75. East northeast wind around 5 mph.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 97. Heat index values as high as 102. Southwest wind around 5 mph becoming southeast.
Tonight
Mostly clear, with a low around 79. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 100. Heat index values as high as 103. Calm wind becoming east around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 79. East wind around 5 mph.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 97. North wind around 5 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 75. Northeast wind around 5 mph. Chance of precipitation is 30%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. North northeast wind around 5 mph. Chance of precipitation is 40%.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 75. East northeast wind around 5 mph.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Sunny, with a high near 92. East northeast wind around 5 mph. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 94.
Saturday Night
Mostly clear, with a low around 75.
Sunday
Sunny, with a high near 94.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Wylie TX
 33.03°N 96.51°W (Elev. 509 ft)
12:24 pm CDT Aug 18, 2025
1pm CDT Aug 18, 2025-6pm CDT Aug 24, 2025
 
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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