Red flag warning for this afternoon

The National Weather Service posted a red flag warning for this afternoon, July 22, due to gusty winds and very low humidities. It runs from 3pm to 9pm . . .

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
921 AM MDT WED JUL 22 2015

MTZ105-230300-
/O.CON.KMSO.FW.W.0003.150722T2100Z-150723T0300Z/
FLATHEAD/GLACIER PARK-
921 AM MDT WED JUL 22 2015

...RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW HUMIDITIES ACROSS
THE FLATHEAD/GLACIER PARK...

A RED FLAG WARNING REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO
9 PM MDT THIS EVENING.

* SYNOPSIS: A SURGE OF VERY DRY AIR ALONG WITH STRONG AND GUSTY
  WESTERLY WINDS WILL MOVE THROUGH NORTHWEST MONTANA THIS
  AFTERNOON AND EARLY EVENING. THIS DRY AND BREEZY WEATHER
  COUPLED WITH FUELS HAVING RETURNED TO VERY HIGH TO LOCALLY
  EXTREME CONDITIONS... NOT TO MENTION A FEW WILDFIRES ALREADY ON
  THE GROUND... A RED FLAG WARNING HAS BEEN ISSUED.

* WINDS: SUSTAINED 15-20 MPH WITH GUSTS 20-30 MPH (LOCALLY
  HIGHER) FOR SEVERAL HOURS.

* MINIMUM HUMIDITIES: 10-15% VALLEYS AND 12-18% RIDGES

* TIMING: 1500-2100