it is smokey here too....i see quite a splotch on the map in north east
calif. we had a trememdous lightning storm here on saturday night. Many
of these fires resulted from that storm.

here is the incident page from Cal Fire (formerly known as CDF)
http://cdfdata.fire.ca.gov/incidents/incidents
There are several national forests near here dealing with these fires
Plumas, Lassen, Klamath, Six Rivers,
http://www.fs.fed.us/r5/lassen/
http://inciweb.org/state/5/

Looks dense up your way....I recall Montana being smokey most summers....