Lake-effect Snow and Whiteout Conditions in the Great Lakes Region; Below-average Temperatures in the East

Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >

Hazardous Weather Conditions

Current conditions at

Smithfield, Johnston County Airport (KJNX)

Lat: 35.54°NLon: 78.39°WElev: 164ft.

Fair

45°F

7°C

Humidity 53%
Wind Speed SW 6 mph
Barometer 30.09 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 19 Jan 4:35 pm EST
Extended Forecast for

Smithfield, Johnston County Airport NC

  • Tonight

    Tonight: Mostly clear, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 42. Calm wind becoming northwest around 6 mph.

    High: 42 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 16. Calm wind.

    Low: 16 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 50. Wind chill values as low as 20 early. Calm wind becoming south around 5 mph.

    High: 50 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 1pm.  Partly sunny, with a high near 58. Chance of precipitation is 20%.

    High: 58 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: A chance of rain.  Partly sunny, with a high near 51. Chance of precipitation is 40%.

    High: 51 °F

    Chance Rain

  • Friday Night

    Friday Night: A chance of rain, snow, and freezing rain after 1am.  Mostly cloudy, with a low around 23. Chance of precipitation is 40%.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Wintry Mix

Detailed Forecast

Tonight
Mostly clear, with a low around 22. Calm wind.
Tuesday
Sunny, with a high near 42. Calm wind becoming northwest around 6 mph.
Tuesday Night
Clear, with a low around 16. Calm wind.
Wednesday
Sunny, with a high near 50. Wind chill values as low as 20 early. Calm wind becoming south around 5 mph.
Wednesday Night
Mostly cloudy, with a low around 31. Calm wind.
Thursday
A slight chance of rain before 1pm. Partly sunny, with a high near 58. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 33.
Friday
A chance of rain. Partly sunny, with a high near 51. Chance of precipitation is 40%.
Friday Night
A chance of rain, snow, and freezing rain after 1am. Mostly cloudy, with a low around 23. Chance of precipitation is 40%.
Saturday
Snow and freezing rain likely. Cloudy, with a high near 32. Chance of precipitation is 60%.
Saturday Night
Snow and freezing rain likely. Mostly cloudy, with a low around 16. Chance of precipitation is 70%.
Sunday
Snow and freezing rain likely. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Sunday Night
A chance of freezing rain. Mostly cloudy, with a low around 9. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
Smithfield, Johnston County Airport NC
 35.54°N 78.38°W (Elev. 200 ft)
12:11 pm EST Jan 19, 2026
4pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database