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

Lake-Effect Snow through Friday; Strong Winds in the Northern and Central Plains

A clipper-like system will drop down from Canada on Thursday, bringing wintry weather from the Upper Midwest to the Great Lakes through Friday. This system is expected to bring strong northerly winds to much of the northern and central High Plains Thursday afternoon through Friday, with gusts up to 60 mph expected. Read More >

Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Mostly Cloudy

45°F

7°C

Humidity 87%
Wind Speed SW 5 mph
Barometer 29.56 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 15 Jan 1:15 am EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. Southwest wind 7 to 10 mph becoming northwest. Winds could gust as high as 21 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 42. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.

    High: 42 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 19. West wind 5 to 9 mph, with gusts as high as 20 mph.

    Low: 19 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 46. Wind chill values as low as 15 early. Light southwest wind increasing to 8 to 13 mph in the morning.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29. South wind 3 to 7 mph.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.

    Low: 31 °F

    Partly Cloudy
    then Chance
    Rain/Snow

  • Sunday

    Sunday: A chance of snow. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.

    High: 42 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. Southwest wind 7 to 10 mph becoming northwest. Winds could gust as high as 21 mph.
Thursday
Sunny, with a high near 42. Northwest wind 8 to 14 mph, with gusts as high as 24 mph.
Thursday Night
Clear, with a low around 19. West wind 5 to 9 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 46. Wind chill values as low as 15 early. Light southwest wind increasing to 8 to 13 mph in the morning.
Friday Night
Mostly clear, with a low around 29. South wind 3 to 7 mph.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A chance of rain after 1am, mixing with snow after 4am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
A chance of snow. Mostly cloudy, with a high near 42. Chance of precipitation is 50%.
Sunday Night
Mostly clear, with a low around 18.
M.L.King Day
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Sunny, with a high near 38.
Tuesday Night
Clear, with a low around 16.
Wednesday
Sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
Last Update:
1:21 am EST Jan 15, 2026
Forecast Valid:
1am EST Jan 15, 2026-6pm EST Jan 21, 2026
 
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Additional Resources

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Chance of Precipitation