299
FXUS63 KDVN 211057
AFDDVN

Area Forecast Discussion
National Weather Service Quad Cities IA IL
557 AM CDT Tue Jul 21 2026

.KEY MESSAGES...

- Slowly decreasing humidity will continue today until a
  secondary front moves through late this afternoon speeding up
  the process. Northwest winds gusting up to 30 mph should
  continue to push most of the wildfire smoke out of the area.

- Much cooler and less humid conditions will be seen the
  remainder of the work week before heat and humidity return for
  the weekend.

- Mainly dry conditions over the next 7 days as rain chances are
  quite low.

&&

.SHORT TERM /THROUGH TONIGHT/...
Issued at 153 AM CDT Tue Jul 21 2026

Through sunrise, scattered showers and possibly a thunderstorm will
be seen as the cold front sweeps through the area.

Windy, cooler but humid conditions will be seen across the area
during the daylight hours. Deep mixing occurring behind the cold
front should allow winds to gust up to 30 mph. The strong northwest
winds should push most of the wildfire smoke out of the area.

Humidity levels will begin dropping around sunset as a secondary
front moves through the area. Winds will also diminish as the
boundary layer decouples.

&&

.LONG TERM /WEDNESDAY THROUGH MONDAY/...
Issued at 153 AM CDT Tue Jul 21 2026

Wednesday through Thursday night
Assessment...a certainty of cooler and less humid conditions

Wednesday and Thursday will be banner days with cooler temperatures
and dew points in the 50s.

The models have trended stronger with the high over the western
Great Lakes which has now resulted in Thursday night being dry. This
stronger high has ramifications for rain chances Friday

Friday
Assessment...low (

NWS DVN Office Area Forecast Discussion