And Now: The Freeze

If you were planning on letting that snow on your driveway melt, think again.

The National Weather Service has issued a wind chill warning for Andover, effective until Saturday morning at 9 a.m.

On Friday afternoon, temperatures were already down to the single digits. Friday night, temperatures are expected to drop down to 4 degrees, with a wind chill factor of -13 degrees.

Wind gusts could be as high as 25 miles per hour, making for a bitter arctic blast. Residents are advised to stay indoors, as temperatures this low can be deadly. If you lose your heat, contact the police department immediately at 978-475-0411.

WHDH's Jeremy Reiner writes on his blog: "The weekend sees moderation of this arctic blast after 3-4 hours Saturday morning. By Saturday afternoon our temps will reach the mid 20s under a mostly sunny sky."

And Sunday is expected to bring warmer temperatures in the 40s, which should jumpstart the melting process.

Important Phone Numbers to Know:

• In an emergency, dial 911
• Police Department: 978-475-0411
• Fire Department: 978-475-1281
• Public Works: 978-683-8350
• National Grid power outages: 800-465-1212
• National Grid gas emergencies: 800-233-5325
• NStar power outages: 800-592-2000 or the Report an Outage form.
• Comcast: 1-800-COMCAST (1-800-266-2278)
• Verizon: 1-800-VERIZON (1-800-837-4966)
• RCN: 1-866-TECH-RCN (1-866-832-4726)