Forecasters say a winter storm will bring 6-8 inches of snow and ice to the area through Monday morning.
A National Weather Service winter storm warning is in effect through 6 a.m. Monday.
Light freezing drizzle will develop Saturday evening with the precipitation increasing in intensity and becoming a mix of snow and sleet late Saturday evening and overnight. The mix will change to all snow Sunday morning; snow will continue throughout the day and into Sunday evening.
Snow accumulation will be 6 to 8 inches, along with up to one-tenth of an inch of ice.
Winds will be north at 10 to 15 mph with gusts up to 25 mph.
Snow, sleet and ice accumulation will create hazardous travel conditions Saturday night through Sunday night across central and east central Missouri as well as southwestern Illinois.
After the storm, below-freezing temperatures will hold sway through Wednesday. The forecast through Saturday:
Saturday night: Low around 16. North wind 11 to 15 mph.
Sunday: Temperature falling to 14 by 5 p.m. North wind around 16 mph.
Sunday night: Low around 5. Wind chill values as low as -10. North wind 15 to 17 mph.
Monday: Snow likely before 7 a.m.. Mostly sunny and cold, with a high near 18. Wind chill values as low as -10. North wind 7 to 15 mph. Chance of precipitation is 60 percent.
Monday night: Partly cloudy, with a low around 3. North wind 5 to 7 mph becoming light and variable after midnight.
Tuesday: Mostly sunny, with a high near 26.
Tuesday night: Partly cloudy, with a low around 12.
Wednesday: Partly sunny, with a high near 32.
Wednesday night Mostly cloudy, with a low around 18.
Thursday: Mostly sunny, with a high near 39.
Thursday night: Partly cloudy, with a low around 26.
Friday: Mostly sunny, with a high near 51.
Friday night: Mostly cloudy, with a low around 31.
Saturday: A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30 percent.