Dangerous temps moving in; snow chances, too

1 year 2 months 2 days ago Tuesday, January 29 2019 Jan 29, 2019 Tuesday, January 29, 2019 8:25:00 PM CST January 29, 2019 in Weather
By: Kenton Gewecke, KOMU 8 Chief Meteorologist
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COLUMBIA - The coldest air since Jan. 1-2, 2018, is on the way, and it could be dangerous. It isn't unusual for an arctic blast like this to move through once or twice a winter. This season, it happens this week. The coldest morning will be Wednesday morning when temperatures drop at or below zero for most of mid-Missouri and wind chills range from minus 10 to minus 30 depending on wind speeds at the time. Full details on the week ahead can be found below.

WEDNESDAY

Wednesday will be a brutally cold day. It will be windy in the morning with winds calming in the afternoon. Temperatures in the morning will be below zero. Wind chills will be between minus 10 to minus 35 degrees; around minus 20-25 along I-70. With wind chills this cold please be safe and cover exposed skin and put on layers, even if you aren't going to be outside for long.

Get an in-depth look at the Polar Vortex in augmented reality HERE.

Winds will calm throughout the day and clouds will increase. Wind chills will go above dangerous conditions (when frostbite can form in 30 minutes) by Noon. However, areas north of I-70 should still be overly cautious as wind chills may stay around minus 10 degrees.

Areas along and north of I-70 may not feel wind chills above zero on Wednesday afternoon. This means it will feel like it is below zero for more than 24-hours.

There is a slight chance for snow by the end of Wednesday afternoon. Light snow and flurries are possible. A dusting to 1" of snowfall accumulation is possible.

SAFETY TIPS

  • In wind chills between minus 15 and minus 30 degrees it only takes 30 minutes for frostbite to form on exposed skin. Please cover all exposed skin.
    • Keep your skin dry.
    • Mittens are better than gloves at keeping your fingers warm.
    • Stay out of the wind when possible.
    • Stay hydrated to increase blood volume and flow.
    • Caffeine, alcohol and cigarettes each work against your body's warming system.
  • Be aware of hypothermia. You are considered hypothermic when your body temperature dips below 96 degrees. If your temperature is 96°F or less, you feel cold and sluggish, or are having trouble thinking clearly, see your doctor immediately or go to the nearest emergency room. It's better to be overly cautious than to die of a disorder that doesn't have to be deadly.  
  • Check on elderly family, friends and neighbors.
  • Bring pets indoors.
  • Have blankets and a phone charger in your vehicle.
  • Have at least a half-tank of gas in case you need to warm it up or you become stranded.
  • Have jumper cables in your vehicle in case your battery (or someone else's) needs a jump-start.

THURSDAY

The worst is behind us, but we aren't quite in the clear yet. Temperatures are expected to reach around freezing along I-70 in the afternoon. Clouds will also push back in and there is a chance for flurries or light snow. Only minor accumulation is possible at this time, if any. Stay tuned.

FRIDAY - SUNDAY

Let the thaw commence! This is the light at the end of a long, frigid tunnel. Temperatures are expected to reach and largely remain in the 40s, potentially even reaching the 50s for high temps on Saturday and Sunday. There is a slight chance for rain over the weekend, mainly on Sunday into Monday. Stay tuned.

Stay tuned right here, on air and on the free KOMU 8 Weather & Traffic app for the latest forecast updates.

Download the KOMU WX App on Apple and Android devices for the latest video updates, hour-by-hour forecast, interactive radar, future radar, live streaming newscasts, plus our exclusive live traffic grid.

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