UPDATED at 4:00 PM
Tonight: Showers ending this evening followed by decreasing clouds and colder temperatures. Low: 28-31. Wind: NW 5-15 mph.
Wednesday: Mostly sunny and cool. High: 50-55. Wind: NW to SW 10-15 mph.
Wednesday Night: Partly cloudy. Low: 36-39. Wind: SW 10-15 mph.
Thursday: Partly cloudy. High: low 60s.
Friday: Partly cloudy. High: near 60.
Saturday: Cloudy and windy (S 15-25 mph) with a 70% chance of showers/storms. High: mid-upper 60s.
Sunday: Partly cloudy and windy (W 15-25 mph). High: upper 60s.
Monday: Partly cloudy. High: upper 60s.
Tuesday: Partly cloudy with 20% chance of showers. High: mid-upper 60s.
A cold front has been tracking across eastern Iowa today with clouds and showers. The wind has increased behind the front from the northwest and the temperatures have dropped into the 40s. Here is position of the front this afternoon.
A cold front is forecast to cross the area Thursday. There will be no moisture to work with so the front will come through dry. Temperatures will be a few degrees cooler behind the front Friday.
Friday will be dry as high pressure over the Midwest quickly travels east toward New England. Clouds will increase during the afternoon and evening as the weekend storm approaches.
Low pressure will develop over Nebraska Friday night with a warm front southwest of Iowa. Showers will spread into eastern Iowa after midnight Friday. Here is the forecast position of the low Saturday morning.
Low pressure will track into southwest Minnesota by Saturday evening. Showers and a few thunderstorms are likely most of the day. There is still potential energy in the atmosphere for thunderstorms Saturday afternoon. The map below shows where the best chance of storms might be.
There might be enough energy and ingredients necessary for severe weather Saturday. The Storm Prediction Center has a highlight area of severe storms possible over Iowa. We will be tracking this closely.
The map below is the GFS model for 1 pm Saturday.
The rain will taper off shortly before sunrise Sunday morning as the low tracks northeast over northern Wisconsin. Sunday will be dry as the clouds clear but it will remain windy. Rain amounts may exceed 1” in some locations with this low pressure system Saturday. Here is the map from the GFS model for 7 am Sunday.
Monday will now be dry as a weak area of high pressure develops over Missouri.
A weak cold front will cross the state Tuesday with a slight chance of showers.
High School Football Forecast (Friday Evening)
Kickoff temp: mid 50s
Wind: S 10-15 mph
College Football Forecast (Saturday)
Iowa vs. Michigan State (East Lansing, MI)
Cloudy with a 60% chance of showers
Kickoff Temp: mid 50s
Wind: S 10-20 mph
UNI vs. Southern Illinois (Carbondale, IL)
Kickoff Temp: upper 70s
Wind: S 10-20 mph
Kansas State vs. Iowa State (Ames)
Cloudy with a 70% chance of showers/storms
Kickoff Temp: mid-upper 60s
Wind: S 15-25 mph
This post was written by Schnack on October 9, 2012