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Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 29.83 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 18 Jun 3:55 am EDT
Extended Forecast for

4 Miles S Garner NC

Heat Advisory June 18, 11:00am until June 18, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 99 °F

    Hot

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers after 3am. Low around 71. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Slight Chance
    T-storms then
    Showers

  • Juneteenth

    Juneteenth: Showers, with thunderstorms also possible after 11am. High near 88. Southwest wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear during the early evening, then becoming mostly cloudy, with a low around 65. Light north wind.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 90. North wind around 6 mph.

    High: 90 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 70%.

    High: 95 °F

    Partly Sunny
    then Showers
    Likely

Detailed Forecast

Today
Mostly sunny and hot, with a high near 99. Heat index values as high as 105. Southwest wind 13 to 17 mph, with gusts as high as 28 mph.
Tonight
A chance of showers and thunderstorms, then showers after 3am. Low around 71. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
Showers, with thunderstorms also possible after 11am. High near 88. Southwest wind around 9 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Mostly clear during the early evening, then becoming mostly cloudy, with a low around 65. Light north wind.
Saturday
Sunny, with a high near 90. North wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 94.
Sunday Night
Partly cloudy, with a low around 73.
Monday
Showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Garner NC
 35.63°N 78.62°W (Elev. 335 ft)
Last Update:
2:13 am EDT Jun 18, 2026
Forecast Valid:
4am EDT Jun 18, 2026-6pm EDT Jun 24, 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