Posted under Precipitation Totals
This post was written by Schnack on April 30, 2013
UPDATED at 4:45 PM
Tonight: Partly cloudy with a 40% chance of showers/storms. Low: 50-63. Wind: S 5-15 mph.
Wednesday: Mostly cloudy and windy with a 50% chance of showers. High: 50-75. Wind: N 15-25 mph.
Wednesday Night: Cloudy and windy with an 80% chance of showers. Low: 34-42. Wind: N 15-25 mph.
Thursday: Cloudy and windy (N15-25 mph) with an 80% chance of showers. High: near 40.
Friday: Cloudy with a 70% chance of showers. High: low 40s.
Saturday: Cloudy with a 70% chance of showers. High: low 50s.
Sunday: Cloudy with a 40% chance of showers. High: upper 50s.
Monday: Mostly cloudy. High: low 60s.
Tuesday: Partly cloudy. High: upper 60s.
It has been a warm day across eastern Iowa with temperatures in the 80s and some locations close to 90. Here are the 4 pm temperatures.
There is a cold front oriented NW to SE across Iowa this afternoon. Along the front there is a chance of showers and storms to develop this evening. A few of the storm could be severe with the main threat from the storms being large hail. Here is the SPC outlook for tonight.
The cold front will not move very much tonight as the upper level wind is parallel to the surface front. Here is the surface front on the right and upper level wind on the left.
Eventually the front will drift east Wednesday afternoon but, before it does parts of eastern Iowa will be warm on the east side of it. Highs will be in the 70s east of the front and 50s west of the front. There will be a better chance of rain behind the cold front in the colder air during the afternoon. The colder air and rain will spread east Wednesday night across all of eastern Iowa.
Thursday and Friday are still looking wet, cold and windy. Don’t be surprised to see a snowflake or two mixed in with the rain Thursday. We are tracking the potential for minor accumulation in the northwestern half Iowa Thursday. The map below shows the chances of 1” of snow or more for Wednesday evening to Thursday evening. Notice the chances are high across northwest Iowa. The snow potential has been there for a few days now the only difference has been the exact position/orientation of the band of snow.
An upper level low will cut off and keep the rain in the forecast through the weekend. The best chance of rain will be Thursday through Saturday. Sunday the showers will be more scattered as the cut off low will finally move away. At that point early next week the temperatures will warm to the 60s as dry weather returns. Here is the rain forecast from Tuesday evening to Sunday evening.
Posted under Forecast Discussion
7 AM Monday to 7 AM Tuesday
|Ainsworth 7.4 N||Washington||T|
|BELLE PLAINE, IA||Benton||0.04|
|Cedar Falls 1.4 SSE||Black Hawk||0.58|
|Cedar Rapids 3.4 NW||Linn||0.02|
|Central City 6.7 W||Linn||0.06|
|CHARLES CITY, IA||Floyd||0.14|
|Decorah 7.9 ENE||Winneshiek||0.30|
|Dubuque #3, IA||Dubuque||0.01|
|ELKADER 6SSW, IA||Clayton||0.74|
|GRUNDY CENTER, IA||Grundy||0.37|
|GUTTENBERG L & D 10, IA||Clayton||0.33|
|IONIA 2W, IA||Chickasaw||0.09|
|IOWA FALLS, IA||Hardin||0.96|
|KESLEY 3 NNE, IA||Butler||0.20|
|LANSING 4SE, IA||Allamakee||0.61|
|Latimer 1.9 NE||Franklin||0.08|
|MANCHESTER NO. 2, IA||Delaware||0.62|
|Marion 1.2 NE||Linn||0.02|
|NASHUA 2SW, IA||Floyd||0.06|
|New Hampton 0.4 SW||Chickasaw||0.20|
|Oelwein 0.8 WNW||Fayette||0.80|
|Peosta 0.7 ESE||Dubuque||0.01|
|Quasqueton 1.8 S||Buchanan||0.80|
|Solon 0.3 ESE||Johnson||0.06|
|STANLEY 4 W, IA||Buchanan||0.91|
|TOLEDO 3 N, IA||Tama||T|
|VOLGA 1NE, IA||Clayton||0.70|
|Waterloo 1.8 SSE||Black Hawk||0.41|
|Waterloo 3.0 NNW||Black Hawk||1.18|
|WAUCOMA , IA||Fayette||0.09|
Posted under Precipitation Totals
1994: A late season snow storm affected eastern and southeastern Iowa dropping a quick 6.0 inches of snow at Dubuque which is the highest total on record so late in the season at that location. Other snowfall accumulations included 4.0 inches at Marion and 3.0 inches at Columbus Junction.
1936: Several tornadoes touched down across Iowa. One produced F4 damage in Estherville with at least 50 buildings destroyed and several people injured. Another F4 tornado moved from northwest of Everly to Lake Okoboji, killing 2 people and injuring 15 before dissipating as a waterspout over the lake.
1909: Rain fell across nearly all of Iowa then changed to snow across about the northern half of the state, with many stations reporting light accumulations including 1.0 inches at Algona and Mason City and 1.5 inches at Le Mars and New Hampton. Flurries continued through the day on May 1st and some locations reported significant blowing of snow as winds increased. Behind the storm unseasonably cold air filtered into the region for the first several days of May, with temperatures falling to as low as 20 F at Sheldon on the 1st and 18 F at Inwood on the 2nd and Washta on the 3rd. At Grand Meadow in Cherokee County the last of the snow drifts did not melt until May 5th.
|This Day in National/World Weather History …|
Posted under Weather History