A WINTER ADVISORY IS IN EFFECT FROM NOON TUESDAY UNTIL 9-A.M. WEDNESDAY, FOR Shelby, Harrison and Pottawattamie Counties, and from 6-P.M. TUESDAY UNTIL NOON WEDNESDAY, for Audubon and Carroll Counties. Total snow accumulations of 2 to 4 inches is possible in the ADVISORY area, along with winds gusting as high as 40 mph.
Plan on slippery road conditions. The hazardous conditions could impact the morning or evening commute. A rain and a mixture snow, and sleet is forecast to turn over to all snow on Tuesday afternoon and evening. The heaviest snowfall is expected after 6 PM. Slow down and use caution while traveling.
A WINTER STORM WARNING is in effect from 6-p.m. Tuesday until Noon Wednesday, for Sac and Crawford Counties, and from 9-a.m. Tuesday until 9-a.m. Wednesday for Monona County. Moderate to heavy Snow and strong north to northwest winds. Near Blizzard conditions are expected in far northern Iowa. Total snow accumulations of 4 to 8 inches. Highest amounts will be near the Minnesota border. Winds gusting from 35 to 45 mph with a few of up to 50 mph.
Travel is likely to become very difficult with significant blowing snow reducing visibility and even leading
to near blizzard conditions at times. In addition, slick and snow covered roads will lead to treacherous traveling conditions. If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.
For the latest road conditions, dial 5-1-1 for the State you are traveling in. In Iowa, you can also go to 511ia.org, on the web.
WINTER STORM WATCH (UPDATED 11/25) —
Harrison and Monona Counties: WINTER STORM WATCH IN EFFECT FROM 9-A.M. TUESDAY THROUGH 9-A.M. WEDNESDAY.
* WHAT…Heavy snow possible. Total snow accumulations of 3 to 6 inches possible. Winds could gust as high as 40 mph.
* IMPACTS…Plan on slippery road conditions. Patchy blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute.
Sac-Crawford and Carroll Counties: A WINTER STORM WATCH REMAINS IN EFFECT FROM 6-P.M. TUESDAY UNTIL NOON WEDNESDAY.
* WHAT…Moderate to Heavy snow with blustery winds. Near blizzard conditions possible. Total snow accumulations of 3 to 8 inches are forecast with the highest amounts anticipated near the Minnesota border. Wind gusts between 35 to 45 mph are likelywith potentially a few gusts nearing 50 mph.
* IMPACTS…Travel is likely to become very difficult with significant blowing snow reducing visibility and even leading to near blizzard conditions at times. In addition, slick and snow covered roads will lead to treacherous traveling conditions.
* ADDITIONAL DETAILS…Those with Thanksgiving travel plans Tuesday night through Wednesday should take the necessary precautions and potentially find alternate routes or delay or move up travel plans if possible. If you must travel during the
storm, please remember to pack a winter survival kit in your vehicle in case you become stranded.
Today: Partly cloudy. High 53. NW @ 10-20.
Tonight: P/Cldy to Cloudy. Low 32. E @ 5-10.
Tomorrow: Mostly cloudy w/rain. High 38. E @ 15-25.
Tom. Night: Rain changing to snow. Freezing rain possible toward sunrise, & patchy blowing snow. Low 26. N/NE winds becoming NW @ 20- to 40 mph. Little or no ice accumulation expected. New snow accumulation of 1 to 2 inches possible.
Wednesday: Cldy w/light snow & blowing snow in the morning. High 32.
Thanksgiving Day: Cldy w/light rain in the afternoon. High 36.
Sunday’s High in Atlantic was 57. Our Low this morning was 26. Last year on this date, the High in Atlantic was 29 and the Low was 14. The record High for Nov. 25th in Atlantic, was 71 in 1960. The Record Low was -6 in 1991.
Area Counties: Sac-Crawford-Carroll…WINTER STORM WATCH IN EFFECT FROM 6-P.M. TUESDAY until NOON WEDNESDAY
* WHAT…Heavy snow possible along with strong winds. Total snow accumulations of 4 to 8 inches possible. Highest amounts expected near the Minnesota border. Winds could gust of 35 to 45 mph will be possible.
* IMPACTS…Travel could be very difficult. Areas of blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute.
* ADDITIONAL DETAILS…Near blizzard conditions may exist early Wednesday morning from the combination of falling snow and strong north winds. Be prepared very poor conditions early
Wednesday morning in the watch area.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
Monitor the latest forecasts for updates on this situation.
The National Weather Service in Johnston says moderate snow is forecast to develop over portions of west-central to northern Iowa during the afternoon hours Tuesday and continue into early Wednesday morning. The greatest snowfall rates are likely to occur Tuesday evening. A rain/snow line is likely to set up from Waterloo to Des Moines to southwest portions of Iowa.
click to enlarge the graphic
Anything northwest of that line is likely to receive the accumulating snow. In addition to the snow, north winds of 25 to 35 mph are likely by Tuesday night and look to persist throughout the day Wednesday resulting in blowing snow and visibility restrictions. Hazardous travel is anticipated due to snow covered and slick roads along with the visibility restrictions.
If traveling Tuesday into Wednesday over portions of western and northern Iowa into Minnesota, please consider rescheduling.
Today: Sunny, with a high near 56. West wind 5 to 10 mph.
Tonight: Mostly clear, with a low around 34. Southwest wind around 5 mph becoming calm after midnight.
Monday: Mostly sunny, with a high near 54. Light west northwest wind becoming northwest 5 to 10 mph in the morning.
Tuesday: A chance of snow before 9am, then a chance of rain and snow between 9am and 10am, then rain likely after 10am. Cloudy, with a high near 43. Breezy, with a northeast wind 8 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday Night: Rain before 7pm, then rain and snow between 7pm and 8pm, then snow after 8pm. Low around 25. Blustery. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday: Partly sunny, with a high near 37. Breezy.
Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 21.
Thanksgiving Day: A chance of rain and snow before 5pm, then a chance of snow. Cloudy, with a high near 37. Chance of precipitation is 30%.
Skyscan Forecast Saturday, November 23, 2019 Dan Hicks
Today: Partly cloudy. W @ 10. High 48.
Tonight: Fair to partly cloudy. W @ 5. Low 26.
Sunday: Partly cloudy. Warmer. SW 10-15. High 56.
Monday: Partly cloudy. High 49.
Tuesday: Cloudy. Rain and snow mix. High 36.
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(Radio Iowa) — The latest update from the state finds the amount of precipitation in the “Water Year” for the state is well above normal. The D-N-R’s Tim Hall says the Water Year runs from Iowa from October of last year to the end of September this year. He says it’s defined that way because after September, there’s no moisture that benefits the current growing season. The current water year saw a little more than 42-and-a-half inches of precipitation. “We are about seven inches above average,” Hall says, “if you go back and you look at 24 months — the water years of 2018 and 2019 together — we’re pushing 20 inches above normal for those two year. So, it’s been a very, very wet couple of years.”
The ground is full of water right now, and that can be a positive.”Generally in the fall going into the winter, having a wet soil profile is good — because it benefits us in the spring when the vegetation wants to get kicked off,” according to Hall. But he says if the ground stays saturated and we have a wet spring the wet soil profile can become a bad thing. “There’s sort of some early precautionary flags being raised that we could find ourselves in a flood situation in the spring, depending on what happens in the winter,” Hall says.
Hall says it’s a waiting game that depends on how much snow we get — and how much remains in the spring when it starts to melt. “As we sit here today it could be a good thing — it could be a bad thing. It depends on what happens over the next three or four months,” Hall says. Wet ground delayed planting this last spring and that led to a delayed harvest for this year’s crop. This was the seventh wettest and 45th warmest Water Year among 147 years of Iowa records. The back-to-back water years of 2018 and 2019 was the third wettest combined two years on record.
Today: Partly cloudy. High 44. N winds at 5-10 mph.
Tonight: Partly cloudy to cloudy. Low 27.
Tomorrow: P/Cldy. High 48. W @ 10-15.
Sunday: P/Cldy. High 54.
Monday: Mo. Cldy w/isolated showers possible. High 45.
Thursday’s High in Atlantic was 40. Our Low this morning was 17. Last year on this date, the High in Atlantic was 57 and the Low was 24. The record High for Nov. 22nd in Atlantic, was 69 in 1966. The Record Low was -10 in 1937.
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