Petersburg, IL
See RadarCurrent Weather Forecast for Petersburg
IL 62675 | 10:16pm
Weather Conditions
Tonight
Tomorrow
Tomorrow night
Local Weather Radar - Petersburg, IL
Live Petersburg Local Radar Forecast by FOX Weather
Next 12 Hours Forecast in Petersburg
Hourly Weather Forecast & Temperature
Latest Stories from Illinois
Cause and effect: Here's how different temperatures produce specific types of 'effect snow'
In some unique scenarios, it comes down to a cause and effect that differs from traditional snowstorms: when cold air interacts with warm water, the temperature difference can produce snow. Here's how lakes, oceans, rivers and steam produce snow in a stand-of hot and cold temperatures.
Next round of snow begins across winter-weary East, late-week storm could cause travel trouble
The first of two more rounds of snow is beginning Tuesday across the winter-weary eastern U.S., including parts of the Ohio Valley, Mid-Atlantic and Northeast.
Arctic plunge: Polar vortex locks in snow, ice and life-threatening cold after historic cross-country storm
In the wake of the historic winter storm that blasted 40 states this weekend, a dome of Arctic air associated with the polar vortex is bringing days of life-threatening temperatures to much of the country. Temperatures are expected to remain below average for 200 million people, causing ice and snow to refreeze and potentially exacerbating widespread power outages in the South that were caused by the sprawling system.
Over a dozen states slammed by at least a foot of snow from historic winter storm
As the crippling effects of the more than 2,300-mile-long major winter storm take a toll across the majority of the U.S., over a dozen states from New Mexico to Connecticut have registered more than a foot of snow.