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

Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

93°F

34°C

Humidity 50%
Wind Speed SW 7 mph
Barometer 30.02 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 1 Sep 3:35 pm EDT
Extended Forecast for

2 Miles ENE Four Oaks NC

Heat Advisory September 2, 11:00am until September 2, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • This Afternoon

    This Afternoon: Isolated showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 104. Light west wind. Chance of precipitation is 20%.

    High: 96 °F

    Isolated
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 74. Light south wind.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 98. Heat index values as high as 106. Light west wind.

    High: 98 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 74. Light south wind.

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Calm wind becoming southwest around 5 mph in the morning.

    High: 99 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Friday Night

    Friday Night: A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%.

    High: 95 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Isolated showers and thunderstorms. Mostly sunny, with a high near 96. Heat index values as high as 104. Light west wind. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 74. Light south wind.
Wednesday
Sunny and hot, with a high near 98. Heat index values as high as 106. Light west wind.
Wednesday Night
Mostly clear, with a low around 74. Light south wind.
Thursday
Sunny and hot, with a high near 99. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Mostly clear, with a low around 76.
Friday
Sunny and hot, with a high near 100.
Friday Night
A chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Saturday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 95. Chance of precipitation is 40%.
Saturday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Labor Day
Mostly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Four Oaks NC
 35.45°N 78.4°W (Elev. 200 ft)
Last Update:
2:13 pm EDT Sep 1, 2026
Forecast Valid:
3pm EDT Sep 1, 2026-6pm EDT Sep 8, 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