...DRY COLD FRONT WEDNESDAY AFTERNOON TO EVENING... ...VERY LOW RH WITH GUSTY WINDS...

.Gusty winds and near single-digit minimum relative humidity values are expected tomorrow afternoon and evening, with a dry frontal passage. Virga showers possible late this afternoon.

* AFFECTED AREA...In Idaho, Fire Weather Zones 423 Owyhee Mountains, 424 Western Twin Falls BLM and 426 Southern Highlands.

* TIMING...From 3 PM this afternoon to 9 PM MDT this evening.

* WINDS...West 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...7 to 14 percent.

* TEMPERATURES...84 to 94 degrees.

* IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will occur shortly. close