Weather Hot Shots on Mon. September 9

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Posted under Hot Shots, Photo

This post was written by Schnack on September 9, 2013

Record Heat

Sep 9 Records

Here are some other records across Iowa:
Des Moines: 101 (old record 99 in 1955)
Mason City: 99 (old record 96 in 1955)
Burlington: 100 (100 in 1912)
Lamoni: 98 (98 in 1955)

Last time it was 100+ was:

Waterloo: 104 on July 25, 2012
Cedar Rapids: 100 on Aug. 30, 2012
Iowa City: 101 on Aug. 30, 2012

The high temperature of 99 at Waterloo is the warmest September day since 1939.


Posted under Records, Temperatures

This post was written by Schnack on September 9, 2013

Cooler Conditions Ahead

Forecast Bar

UPDATED at 4:40 PM

Mostly clear, warm and humid. Low: 68-71. Wind: SW 5-15 mph.

Tuesday: Mostly sunny, hot and humid with a 10% chance of showers. High: 85-96. Wind: SW 5-15 mph.

Tuesday Night: Partly cloudy with a 20% chance of showers. Low: 64-68. Wind: W 5-10 mph.

Wednesday: A 10% chance of a morning shower otherwise mostly sunny. High: mid 80s.

Thursday: Mostly sunny. High: near 80.

Friday: Mostly sunny. High: near 70.

Saturday: Increasing clouds. High: near 70.

Sunday: Mostly cloudy with a 30% chance of showers/storms. High: near 70.

Monday: Mostly sunny. High: near 70.

Weather Extra Bar

It has been a hot day as high temperatures climbed into the 90s this afternoon with a few locations approaching 100 degrees. Many records have been broken today. Here are the temperatures as of 4pm. Record highs were broken in Waterloo, Cedar Rapids, Iowa City and Des Moines. I will post the specifics later this evening after the temperatures drop. The 99 degree temperature in Waterloo is the warmest September high since 1939.

Sep 9 4 PM Temps

Since a few locations topped 100 or came close I thought I would look back to see when the last time they saw 100+.

Waterloo: 104 July 25, 2012
Cedar Rapids: 100 August 30, 2012
Iowa City: 101 August 20, 2012

Not only is it hot, we still have had no rain lately. The last day of measurable rain looks like this:

Waterloo: Aug. 30 (0.09”)
Dubuque: Aug. 31 (0.25”)
Cedar Rapids: Aug. 22 (0.05”)
Iowa City: Aug. 22 (0.04”)

A slow moving cold front will push south across Iowa Tuesday into Wednesday morning. Here is the forecast position of the cold front Tuesday evening.

Sep 9 Tue Eve Sfc Map

There will be a slight chance of shower Tuesday. The best chance of any showers would be Tuesday night and those chances are not too good (20-30%). A couple of showers might linger into early Wednesday morning otherwise it will be mostly sunny. There will be many locations with no rain from this front. Here is the rain forecast from Monday evening to Wednesday evening.

Sep 9 QPF

Temperatures will begin to cool down each day starting Wednesday. By Friday the highs will be near 70 and stay that way through early next week. The best chance of rain during the next seven days will be Sunday. Clouds will increase Saturday afternoon and the chance of showers will be Saturday night through Sunday night.


Posted under Forecast Discussion

This post was written by Schnack on September 9, 2013