On Thursday at 8:20 a.m. the National Weather Service issued a dense fog advisory in effect until noon. The advisory is for Atchison, Miami, Linn, Doniphan, Leavenworth, Wyandotte, Johnson, Buchanan,

The National Weather Service issued a report at 8 a.m. on Thursday for fog and drizzle until 11 a.m. The alert is for Miami, Linn, Leavenworth, Wyandotte, Johnson, Jackson, Lafayette, Cass, Pettis, Bates and Henry counties.

A storm is expected later this week, but instead of snow, the Kansas City area will experience rain due to the arrival of warmer temperatures, according to the National Weather Service in Kansas City.

Lyon, Coffey, Osage and Wabaunsee counties are in a dense fog advisory until 3 pm. Lyon, Chase, Coffey, Greenwood and Morris counties had been in an advisory earlier Thursday. The National Weather Service still expects rain through Thursday night. Up to 1.5 inches of rain is expected.

The coldest air of the season will begin filtering into the area Friday night, according to the National Weather Service. From Sunday to Tuesday, wind Chills are expected to bottom out between -10 and -20 degrees each morning and only reach the single digits in the afternoon.

By CRISTINA JANNEYHays PostLow temperatures in northwest Kansas are forecast to drop into the single digits as of this weekend, according to

Tuesday brought Topeka its lowest temperatures in almost four years, with the mercury plunging to minus 12 degrees.

Get all the news you need in your inbox each morning. Federal aviation investigators vowed earlier in the day that they will find the cause of a horrific collision. NTSB Chairwoman Jennifer Homendy said at a briefing that the agency wants to assure the American public it will "leave no stone unturned in this investigation .

Early spring-like weather is expected in Kansas City this week, but the warmer temperatures raise some concerns, according to the National Weather Service. On Monday, temperatures are expected to climb into the mid-40s in the metro,

Kickoff is at 5:30 CST on Sunday at the Chiefs' Arrowhead Stadium.

The AccuWeather forecast calls for hazy moonlight in the 6 p.m. hour, evolving to mostly clear skies, with a high around 32 degrees at kickoff. The wind forecast is a bit stronger at 5 mph, but below the NFL average of 7 mph and paired with a 0% chance of precipitation.

American Airlines Flight 5342 from Wichita, Kansas, was attempting to land when the plane and a Black Hawk helicopter collided.