Johnston County, NC

Alerts

Advisory Area
County Line

Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.

In effect from Tuesday 04/21 4:13 AM EDT – Tuesday 04/21 8:00 AM EDT

Issued by NWS Raleigh NC

What

Temperatures in the lower to middle 30s this morning will be supportive of frost formation.

Where

The northern Piedmont, northern Coastal Plain, and a portion of the northern Sandhills and central Coastal Plain of North Carolina.

When

Until 8 AM EDT this morning.

Impacts

Frost could harm or kill sensitive outdoor vegetation or plants if left uncovered.

Additional Details

A light freeze will be possible, especially across the counties of Vance, Warren, and Halifax.

What to do

Take steps now to protect tender plants from the cold.


Areas impacted

  • Vance
  • Warren
  • Halifax
  • Forsyth
  • Guilford
  • Alamance
  • Orange
  • Durham
  • Franklin
  • Nash
  • Edgecombe
  • Davidson
  • Randolph
  • Chatham
  • Wake
  • Johnston
  • Wilson
  • Lee

Tips to stay safe

A Frost Advisory means that your area is likely to see frost developing overnight, which can harm young or vulnerable plants. Cover these plants before the sun goes down to help them retain heat. 

From the forecaster

April 21, 2026.

Created by the NWS Raleigh WFO

A cold start to a seasonably cool day.

Seven-day weather risk overview

Daily weather risk summary

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Weather forecasting office

Raleigh Forecast Office

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