400
FNUS75 KBOI 041332
FWSBOI

Spot Forecast for Tumbleweed Rx...BLM
National Weather Service Boise ID
732 AM MDT Fri Apr 4 2025

Forecast is based on ignition time of 0717 MDT on April 04.
If conditions become unrepresentative...contact the National Weather
Service.

Please contact our office at (208)334-9060, if you have questions
or concerns with this forecast.

...BREEZY NORTHWEST WINDS AND LOW CHANCE OF SHOWERS TODAY...
...WARM AND DRY THROUGH THE WEEKEND...

.DISCUSSION...
Breezy northwesterly winds and a 10% chance of rain showers will
occur this afternoon as a system exits to the east. Temperatures
will be about 5-10 degrees above normal, with low minimum relative
humidities this weekend. Good overnight relative humidities will
occur each night thanks to cold overnight low temperatures.
Another system will move in on Sunday night, bringing cool
temperatures and a slight chance of thunderstorms/rain showers to
the burn area on Monday and Tuesday.

.REST OF TODAY...

Sky/weather.........Mostly sunny.
Max temperature.....48 to 53.
Min humidity........24 to 29 percent.
CWR.................0 percent.
Wind - 20 foot......Northwest 7 to 12 mph with gusts to around 18
                    mph.
Mixing height.......6000 ft AGL.
Transport winds.....North around 15 mph.
Ventilation Index...900 excellent.

.TONIGHT...

Sky/weather.........Mostly clear.
Min temperature.....26 to 31.
Max humidity........67 to 72 percent.
CWR.................0 percent.
Wind - 20 foot......West 6 to 9 mph. Gusts up to 14 mph in the
                    evening.
Mixing height.......300 ft AGL.
Transport winds.....Southwest around 10 mph.
Ventilation Index...30 poor.

.SATURDAY...

Sky/weather.........Sunny.
Max temperature.....56 to 61.
Min humidity........16 to 21 percent.
CWR.................0 percent.
Wind - 20 foot......Southwest around 8 mph in the morning shifting
                    to the northeast around 6 mph in the afternoon.
Mixing height.......4000 ft AGL.
Transport winds.....Northwest around 10 mph.
Ventilation Index...400 fair.

$$
Forecaster...Adams
Requested by...Matt Goodrich
Type of request...PRESCRIBED
.TAG 2508689.1/BOI
.DELDT 04/04/25
.FormatterVersion 2.0.0
.EMAIL mgoodrich@blm.gov