Tonight: Mostly clear, warm and humid. Low: 72-74. Wind: SW 5-10 mph.

Tuesday: Mostly sunny, hot and humid. High: 96-99. Heat Index: 100-110. Wind: SW 5-15 mph.

Tuesday Night: Partly cloudy, warm and humid with a 20% chance of showers/storms. Low: 70-74. Wind: S 5 mph.

Wednesday: Partly cloudy with a 20% chance of showers/storms. High: near 90.

Thursday: Partly cloudy with a 20% chance of showers/storms. High: low 90s.

Friday: Mostly sunny, hot and humid. High: mid 90s.

Saturday: Mostly sunny, hot and humid. High: mid 90s.

Sunday: Mostly sunny, hot and humid. High: upper 90s.

Monday: Partly cloudy, hot and humid. High: mid 90s.

The visible satellite image shows a clear sky across much of the Midwest. Here is the image from earlier this afternoon. The temperatures across the area, at 3 PM, range 91-98 degrees. The highs tomorrow will be a degree or two warmer than today.

Burn bans remain in effect in the shaded counties on the map below. A few more counties have been added since Friday. Click here for detail on the counties.

Tomorrow is going to be another scorcher. Highs will be in the upper 90s and the heat index 100-110. A HEAT ADVISORY is in effect for most of the area Tuesday. Heat advisory or not it is going to be hot area wide. The NWS in Des Moines says this about the heat advisory:

… HEAT INDICES ARE SHY OF CRITERIA SO FOR NOW I DID NOT ISSUE A HEAT ADVISORY HOWEVER IT IS A BORDERLINE SITUATION AND IT WILL BE
HOT AND QUITE UNCOMFORTABLE.

Here is the Heat Advisory map for Tuesday.

We are tracking a cold front that is forecast to move south across Minnesota Tuesday and across Iowa Tuesday night. The front will stall across the state Wednesday and Thursday with a slight chance (20%) of showers/storms. Here is the HPC rain forecast for Monday evening to Thursday evening.

Looking ahead for some relief from the heat and humidity…I find none. By The end of the week and into the weekend a large ridge of high pressure in the upper levels of the atmosphere builds across the middle of the country. The result will be dry, hot and humid conditions. Here is the 500 mb map showing the ridge on Saturday.

Take a look at the forecast heat index for Sunday. Yes that are readings 100+ again.

Posted under Fire, Forecast Discussion