Tonight: Cloudy light rain tapering off. Low: 48-54. Wind: S 5-10 mph.
Friday: Partly to mostly cloudy and warmer. A stray afternoon storm possible south of Cedar Rapids. High: 73-78. Wind: SW 5-10 mph.
Friday Night: Mostly cloudy with a 20% chance of showers. Low: 59-63. Wind: S 5-10 mph.
Saturday: 50% chance of showers/storms and breezy (S 10-20 mph). High: near 80.
Sunday: 60% chance of showers/storms and windy (S 15-30 mph). High: near 80.
Monday: Mostly sunny. High: low 60s.
Tuesday: Mostly sunny. High: near 60.
Wednesday: 20% chance of showers. High: low 60s.
Thursday: Mostly cloudy. High: low 60s.
Light rain will taper off this evening. Not much rain accumulation today. Most locations just about everyone less than 0.25″ of rain. Here is the visible satellite from this afternoon.
Here is the reason why we didn’t have much rain and it took a while for everyone to see some rain. The morning sounding, showed the atmosphere was pretty dry. We had to overcome that before it started to rain.
A sounding tells us many things about the atmosphere. This portion of it shows the temperature (red line) and dewpoint (green line). When they are close the atmosphere is saturated and when they are apart it is dry.
A nice spring day ahead tomorrow. Warmer temperatures and some sunshine will end our week. There is a very small chance of stray storm south of Cedar Rapids in the afternoon. Isolated showers are possible across all of eastern Iowa Friday night.
We are tracking another low pressure system forecast to move through the middle of the country this weekend. Some severe weather is possible with this storm.
Here is the position of the low and front Saturday and Sunday morning.
Ahead of the cold front there is a risk of severe weather. Timing and where the storms will fire up will be dealt with 12 to 24 hours before.
The outlook areas will adjust as needed once the storm pulls out into the middle of the country. The storms will be scattered and there might be some locations that remain dry this entire weekend.
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This post was written by Schnack on May 14, 2015