Above is the MOS data from the 0Z run of the GFS Model. It shows much cooler temperatures that we’ve been experiencing over the last few weeks. The Model run also shows a chance that some of the precipitation in the northwestern quarter of Iowa into Minnesota, Nebraska and South Dakota may become mixed with …
Category: Winter Weather
Winter Weather Next Week?
Forecast models are beginning to show a possible turn to winter weather over the state late next week. A large storm system is forecast to move thorugh the midwest at the middle to end of the week. Enough cold air will pour on the northwest side of the storm which will cause the precipitation to …
Freeze Warning for NC and NE Iowa
The National Weather Service has issued a Freeze Warning from 4am until 9am Sunday for the following counties, Black Hawk, Bremer, Butler, Cerro Gordo, Franklin, Grundy, Hamilton, Hancock, Hardin, Kossuth, Winnebago, Worth and Wright. Temperatures in these areas will likely drop into the upper 20s to around 30 degrees during the morning hours. Any plants …
Frost Advisory Statewide Tonight
The National Weather Service has issued a Frost Advisory which will be in effect from 1am (in the NW and NE) or 4am (elsewhere) until 9am Sunday Morning for the entire state. Temperatures tonight will drop into the low to mid 30s, with some of the colder locations possibly dropping into the upper 20s. Sensitive …
Sign of the Season
You know it’s fall when temperatures near the freezing mark for the first time since Spring. It looks like Sunday morning will be the coldest night of the next week. There will likely be frost advisories issued for parts of the state for Saturday night and Sunday morning. Saturday morning and Monday morning will also …
Historical WX: The Late May Snowstorm of 1947
This is certainly something you wouldn’t expect as you head into Memorial Day Weekend, but those in the upper midwest thought the same thing as Memorial Day (then Decoration Day) approached. Temperatures preceding the storm had been in the 60s and 70s (around average for the time of year). A cold front moved through the …
Frost and Freeze Tonight Across the State
Frost and Freeze conditions will occur late tonight into tomorrow morning. Freeze Warnings are in effect from 1-7am in NW Iowa, and 3-8am elsewhere. Frost Advisories are in effect from 3-8am. Tonight’s temperature may get close to some records. Here are the records for Sunday morning across the state. Des Moines 32° Waterloo 27° Mason …
A Bit of Frost Tonight
Dew Points this afternoon across the state are ranging in the teens and 20s. With the dry air that is out there temperatures this afternoon have risen quickly into the upper 50s to mid 60s, but as soon as the sun sets temperatures will drop quickly back into the 30s and even a few upper …
A Good Indication of Cold Dry Air
Dewpoints this evening are ranging in the teens to the low 30s across the state. (The 10° dewpoint in Council Bluffs I think is false, surrounding stations are reporting dewpoints in the 15-19° range). This is indictive of what the nighttime lows will be tonight across the state. Readings will drop into the 20s to …
New Update on Snowfall Records at Des Moines (March 20th)
…UPDATE TO VARIOUS SNOW RECORDS AT THE DES MOINES AIRPORT… GIVEN THE AMPLE SNOWFALL THIS WINTER SEASON…DES MOINES IS CLOSE TO OR HAS BROKEN NUMEROUS RECORDS REGARDING SNOW…SNOWFALL AND SNOW DEPTH. CONSECUTIVE DAYS OF SNOW DEPTH…THIS IS JUST THE NUMBER OF DAYS THE SNOW DEPTH HAS BEEN AT OR EXCEEDED A GIVEN VALUE FOR CONSECUTIVE …