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

High Flood Threat For Saturated Tennessee Valley and South; Heavy Snow Rolls Through Southwest Into Southern Rockies

A high threat for heavy to excessive rainfall near a stalled front will continue to heighten the risk for flash flooding across the saturated Tennessee Valley and South. Meanwhile, a cold system producing heavy mountain and rare low elevation snow will shift from the Southwest to the southern Rockies. This vigorous storm will impact the Eastern two-thirds of the country this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Rockwall Municipal Airport (KF46)

Lat: 32.93°NLon: 96.43°WElev: 564ft.

Fog/Mist

46°F

8°C

Humidity 100%
Wind Speed E 5 mph
Barometer 30.01 in
Dewpoint 46°F (8°C)
Visibility 5.00 mi
Wind Chill44°F (7°C)
Last update 22 Feb 4:15 am CST
Extended Forecast for

Lavon TX

  • Overnight

    Overnight: Patchy drizzle with a chance of showers. Areas of fog. Otherwise, cloudy, with a low around 46. Northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers and
    Areas Fog

    Low: 46 °F

  • Friday

    Friday: Areas of drizzle before 9am, then areas of drizzle and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Areas of fog before noon. Otherwise, cloudy, with a high near 53. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Areas
    T-storms and
    Areas Fog
    then Showers
    Likely

    High: 53 °F

  • Friday
    Night

    Friday Night: Patchy drizzle, then showers likely and possibly a thunderstorm after midnight. Patchy fog. Otherwise, cloudy, with a temperature rising to around 56 by 5am. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely and
    Patchy Fog

    Low: 53 °F⇑

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 9am. Cloudy through mid morning, then gradual clearing, with a high near 67. Windy, with a south southwest wind 10 to 20 mph becoming west southwest 20 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%.

    Windy.
    Showers
    Likely then
    Sunny

    High: 67 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 37. Windy, with a west wind 20 to 25 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Mostly Clear
    and Windy
    then Clear

    Low: 37 °F

  • Sunday

    Sunday: Sunny, with a high near 56. North northwest wind 5 to 10 mph becoming northeast in the afternoon.

    Sunny

    High: 56 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 38. East northeast wind around 5 mph.

    Mostly Clear

    Low: 38 °F

  • Monday

    Monday: Mostly sunny, with a high near 62. Southeast wind 5 to 15 mph.

    Mostly Sunny

    High: 62 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 44. Southeast wind 5 to 10 mph.

    Partly Cloudy

    Low: 44 °F

Detailed Forecast

Overnight
Patchy drizzle with a chance of showers. Areas of fog. Otherwise, cloudy, with a low around 46. Northeast wind around 5 mph. New precipitation amounts of less than a tenth of an inch possible.
Friday
Areas of drizzle before 9am, then areas of drizzle and thunderstorms between 9am and noon, then showers likely and possibly a thunderstorm after noon. Areas of fog before noon. Otherwise, cloudy, with a high near 53. Northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Patchy drizzle, then showers likely and possibly a thunderstorm after midnight. Patchy fog. Otherwise, cloudy, with a temperature rising to around 56 by 5am. East wind 5 to 10 mph becoming south after midnight. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 9am. Cloudy through mid morning, then gradual clearing, with a high near 67. Windy, with a south southwest wind 10 to 20 mph becoming west southwest 20 to 30 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 37. Windy, with a west wind 20 to 25 mph becoming northwest 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Sunny, with a high near 56. North northwest wind 5 to 10 mph becoming northeast in the afternoon.
Sunday Night
Mostly clear, with a low around 38. East northeast wind around 5 mph.
Monday
Mostly sunny, with a high near 62. Southeast wind 5 to 15 mph.
Monday Night
Partly cloudy, with a low around 44. Southeast wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 49.
Wednesday
Partly sunny, with a high near 62.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 40.
Thursday
A 20 percent chance of showers. Mostly cloudy, with a high near 53.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Lavon TX
 33.03°N 96.43°W (Elev. 525 ft)
Last Update:
4:19 am CST Feb 22, 2019
Forecast Valid:
4am CST Feb 22, 2019-6pm CST Feb 28, 2019
 
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Chance of Precipitation