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.

Mostly Cloudy

90°F

32°C

Humidity 63%
Wind Speed N 6 mph
Barometer 30.11 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 15 Aug 1:55 pm EDT
Extended Forecast for

Micro NC

Heat Advisory August 16, 11:00am until August 16, 08:00pm
Heat Advisory August 15, 02:15pm until August 15, 08:00pm
Click here for hazard details and duration
Heat Advisory
Heat Advisory
  •  
    Heat Advisory August 15, 02:15pm until August 15, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • This Afternoon

    High: 93 °F

    Mostly Sunny

  • Tonight

    Tonight: Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 74. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 74 °F

    Isolated
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 93. Heat index values as high as 105. Southeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Partly Sunny
    then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Isolated showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 76. Light south wind. Chance of precipitation is 20%.

    Low: 76 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: Sunny and hot, with a high near 99. West wind 5 to 8 mph.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 75 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 93. Heat index values as high as 103. North wind around 5 mph.
Tonight
Isolated showers and thunderstorms before 10pm. Mostly cloudy, with a low around 74. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 20%.
Sunday
Scattered showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 93. Heat index values as high as 105. Southeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Isolated showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 76. Light south wind. Chance of precipitation is 20%.
Monday
Sunny and hot, with a high near 99. West wind 5 to 8 mph.
Monday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 75. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Partly cloudy, with a low around 74.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 96. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 90. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Micro NC
 35.57°N 78.21°W (Elev. 200 ft)
Last Update:
11:37 am EDT Aug 15, 2026
Forecast Valid:
2pm EDT Aug 15, 2026-6pm EDT Aug 21, 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