Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Hazardous Weather Conditions

Current conditions at

McKinney - McKinney National Airport (KTKI)

Lat: 33.18°NLon: 96.59°WElev: 584ft.

Fair

87°F

31°C

Humidity 27%
Wind Speed NE 8 mph
Barometer 29.99 in (1015.1 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 15 Oct 4:53 pm CDT
Extended Forecast for

Melissa TX

  • Tonight

    Tonight: Clear, with a low around 59. East wind 5 to 10 mph.

    Low: 59 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. East wind 5 to 10 mph becoming south southeast in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. Southeast wind around 5 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Friday Night

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

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 89. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 89 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 1am.  Mostly clear, with a low around 57. West wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 76. North northeast wind 10 to 15 mph.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55. East northeast wind around 5 mph becoming south southeast after midnight.

    Low: 55 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 59. East wind 5 to 10 mph.
Thursday
Sunny, with a high near 85. East wind 5 to 10 mph becoming south southeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 64. Southeast wind around 5 mph.
Friday
Sunny, with a high near 86. South wind 5 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Saturday Night
A 20 percent chance of showers before 1am. Mostly clear, with a low around 57. West wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 76. North northeast wind 10 to 15 mph.
Sunday Night
Clear, with a low around 55. East northeast wind around 5 mph becoming south southeast after midnight.
Monday
Sunny, with a high near 86.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Melissa TX
 33.3°N 96.57°W (Elev. 643 ft)
5:11 pm CDT Oct 15, 2025
5pm CDT Oct 15, 2025-6pm CDT Oct 22, 2025
 
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Additional Resources

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Hourly Weather Forecast

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