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

Summer Heat Continues; Severe Weather For Northeast

A large ridge of high pressure continues to bring summer heat and humidity to several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, southern Plains, Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, severe thunderstorms are forecast for the Northeast and northern Mid-Atlantic today. Read More >

Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

81°F

27°C

Humidity 94%
Wind Speed Calm
Barometer 29.97 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Aug 8:35 pm EDT
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Scattered showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Southwest wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Scattered
    T-storms then
    Partly Cloudy

    Low: 74 °F

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind 8 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 92 °F

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 74. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 74 °F

  • Friday

    Friday: A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 90. Heat index values as high as 100. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Slight Chance
    T-storms then
    T-storms
    Likely

    High: 90 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    T-storms
    Likely then
    Showers
    Likely

    Low: 71 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 83 °F

  • Saturday
    Night

    Saturday Night: Showers likely, mainly before 11pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 67 °F

  • Sunday

    Sunday: A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    Chance
    Showers

    High: 82 °F

  • Sunday
    Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Chance
    Showers

    Low: 67 °F

Detailed Forecast

Tonight
Scattered showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 74. Southwest wind around 8 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 92. Heat index values as high as 100. Southwest wind 8 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 74. South wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 90. Heat index values as high as 100. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms likely before 11pm, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 83. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers likely, mainly before 11pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Sunday
A chance of showers. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 30%.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
Last Update:
8:07 pm EDT Aug 21, 2019
Forecast Valid:
8pm EDT Aug 21, 2019-6pm EDT Aug 28, 2019
 
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Additional Resources

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Chance of Precipitation