FNUS75 KFGZ 191727

FWSFGZ



Spot Forecast for Thomas RX...USFS

National Weather Service Flagstaff AZ

1027 AM MST Thu Mar 19 2026



Forecast is based on ignition time of 1604 MST on March 19. 

If conditions become unrepresentative, contact the 

National Weather Service in Flagstaff, AZ



.DISCUSSION...Dry conditions, warm daytime temperatures 

and light winds will continue through Friday. Ventilation 

will be fair to good during the later morning and afternoon 

periods but poor overnight. 



.REST OF TODAY...



Sky/weather.........Sunny. 

Chance of pcpn......0 percent. 

Chance lightning....0 percent. 

Max temperature.....80 to 84. 

Min humidity........5 to 9 percent. 

Wind (20 ft)........Northeast winds 3 to 6 mph. 

Max Vent Rate.......Fair. 

Clearing Index......291. 

Mixing height.......5800 ft AGL. 

Transport winds.....Northwest around 5 knots. 



.TONIGHT...



Sky/weather.........Mostly clear. 

Chance of pcpn......0 percent. 

Chance lightning....0 percent. 

Min temperature.....39 to 43. 

Max humidity........25 to 30 percent. 

Wind (20 ft)........Light and variable winds at 2 to 4 mph until 10:00 PM then

                    shifting to southwest. 

Min Vent Rate.......Poor. 

Clearing Index......1. 

Mixing height.......0 ft AGL. 

Transport winds.....Southwest 0 to 5 knots shifting to the 

                    northwest after 3 am. 



.FRIDAY...



Sky/weather.........Sunny. 

Chance of pcpn......0 percent. 

Chance lightning....0 percent. 

Max temperature.....82 to 85. 

Min humidity........6 to 10 percent. 

Wind (20 ft)........Light and variable winds at 2 to 5 mph until 9:00 AM then

                    shifting to northeast. 

Max Vent Rate.......Good. 

Clearing Index......678. 

Mixing height.......9700 ft AGL. 

Transport winds.....North 0 to 5 knots. 





A weather forecast table for your SPOT location is linked.

The information provided by this site is for planning purposes only

and is not intended to substitute information provided by an official

National Weather Service SPOT forecast.

https://weather.gov/dlh/fwd?lat=34.298&lon=-110.3009&clat=34.298&clon=-110.3009



$$

Forecaster...MCCOLLUM

Requested by...Kasey Miller

Type of request...PRESCRIBED

.TAG 2605983.1/FGZ

.DELDT 03/19/26

.FormatterVersion 2.0.0

.EMAIL matthew.sigg@usda.gov,kasey.miller@usda.gov,jesse.searles@usda.gov