Winter Storm Warning in effect until 9 PM CST this evening...
Blizzard Warning in effect from 9 PM this evening to 6 PM CST Wednesday...
Rest of Today
Snow. Snow may be heavy at times. New snow accumulation of 4 to 5 inches. High in the lower 30s. East wind around 15 mph with gusts to around 25 mph. Chance of snow near 100 percent.
Snow. Areas of blowing snow. Windy. Snow may be heavy at times. Snow accumulation around 6 inches. Total snow accumulation 13 to 14 inches. Low 10 to 15. Northeast wind 10 to 20 mph shifting to the northwest 15 to 30 mph with gusts to around 45 mph after midnight. Chance of snow near 100 percent.
Wednesday
Cloudy until late afternoon then becoming partly sunny. Very cold. A chance of light snow in the morning...then a slight chance of snow in the afternoon. Blowing snow in the morning...then areas of blowing snow in the afternoon. Windy. High 10 to 15. Temperature steady or slowly falling in the afternoon. Northwest wind 20 to 30 mph with gusts to around 45 mph. Chance of snow 50 percent.
... Winter Storm Warning remains in effect until 9 PM CST this evening... ... Blizzard Warning remains in effect from 9 PM this evening to 6 PM CST Wednesday...
A Winter Storm Warning remains in effect until 9 PM CST this evening. A Blizzard Warning remains in effect from 9 PM this evening to 6 PM CST Wednesday.
* Short term trends: a band of moderate snow will affect central Iowa from Interstate 80 to Highway 20 through the rest of the afternoon. The snowfall intensity will range from 1 to 2 inches per hour during the remainder of the afternoon through tonight. An additional 3 to 5 inches of new snow is expected through sunset tonight across much of the area. Visibility will drop to less than a one half mile at times this afternoon and tonight. A mix of sleet... snow and freezing rain is expected across the far southeast portions of the warning area through the remainder of the afternoon hours.
* Storm total accumulations: snow accumulations of 10 to 15 inches are anticipated for much of central Iowa. The best threat for receiving over a foot of snow is generally south of Highway 20. Isolated amounts up to 16 inches are forecast between Highway 34 and Highway 30 by Wednesday morning.
* Winds/visibility: east to northeast winds at 15 to 25 mph are expected through the evening hours before shifting north to northwest and increasing by late this evening. Look for visibility to be reduced to less than a one half mile at times this afternoon and tonight. North to northwest of 25 to 35 mph... with gusts greater than 50 mph are expected overnight tonight into Wednesday... producing visibility less than one quarter of a mile with white out conditions at times.
* Impacts: significant travel concerns are expected with this dangerous winter storm... especially during the afternoon hours and towards rush hour tonight. In addition to the heavy snow accumulating on roadways... very strong north to northwest winds will cause significant blowing and drifting of snow and whiteout conditions late tonight into Wednesday... leading to the potential for major travel impacts and Road closures. Snow drifts of 8 to 15 feet are possible by Wednesday. The potential for power outages exist as well with the very strong winds. Wind chill readings on Wednesday will range from 10 to 20 below zero.
Precautionary/preparedness actions...
A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions... making travel extremely dangerous. Do not travel. If you must travel... have a winter survival kit with you. If you get stranded... stay with your vehicle.
A Winter Storm Warning for heavy snow and blowing snow means severe winter weather conditions are expected or occurring. Significant amounts of snow and blowing snow are forecast that will make travel dangerous. Only travel in an emergency. If you must travel... keep an extra flashlight... food... and water in your vehicle in case of an emergency.