The National Weather Service has issued extreme cold watches for parts of central and southern Indiana, as well as parts of Kentucky and Ohio, noting temperatures dropping as low as 10 degrees below zero and windchills dropping as low as 25 degrees below zero.

STATEWIDE–Temperatures and wind chill factors will be in the single digits across Indiana this weekend. “The coldest air will arrive, though, Monday and Tuesday of next week,” said Jason Puma, meteorologist with the National Weather Service in Indianapolis. Puma says lows late in those evenings will be around 0.

NWS Indianapolis warns of hazardous weather, including freezing fog, sub-zero temps, and precipitation in Central Indiana.

Winter storm warning issued for southern Indiana, winter weather advisory for central Indiana. Snowfall and hazardous road conditions expected.

Aaron Updike, meteorologist with the National Weather Service in Indianapolis said the Bloomington area is expected to get between 2 and 4 inches of snow. Southern parts of Indiana could see even more, with Bedford projected to get close to 4 inches and areas closer to Louisville possibly seeing 6 inches.

The second winter storm of the week is moving in, and the National Weather Service has updated its forecast for Friday. Here's what they're saying.

A clipper system, which originated in the Canadian Rocky Mountains, is pushing colder air into the Midwest, a meteorologist said.

The Bloomington area has a 100% chance for snow on Friday, according to the National Weather Service. The NWS is now predicting 3 to 4 inches for the Bloomington area, up from 1 to 2 inches it expected previously.

The National Weather Service of Northern Indiana continues to have its hazardous weather outlook in place as an Arctic front enters the area and brings hazardously-cold conditions.

The National Weather Service forecast calls for the high potential of six or more inches of snow beginning Sunday morning.