Temperatures were very mild this morning in the Treasure Valley. In many cases overnight lows were 10-15° above climatological average. Boise bottomed out at 78° This is due in part to the thick cloud cover over the area today.
The cloud cover may keep temperatures from exceeding 100°, although a few areas may still get there as cloud cover begins to clear this evening. A cold front is approaching the region today and arrives in eastern Oregon later this evening. A gusty southeast develops tonight in the Treasure Valley, with gusts up to 35 MPH possible.
A Red Flag Warning remains in place for southeastern Oregon and the Owyhee Mountains through Monday evening. The combination of dry fuels, gusty winds and relative humidity will lead to the rapid spread of new or existing fires.
Ahead of the cold front, the wildfire smoke increases in the Treasure Valley overnight Monday into Tuesday. Air quality may become unhealthy for sensitive groups at times on Tuesday morning. Once the cold front moves through, the smoke will clear the area.
There is a slight risk of a thunderstorm near the Nevada border later Monday afternoon, however the air above the surface is extremely dry and any rain that does fall likely does not reach the ground. Gusty outflow winds and dry lightning are the main concerns.
Temperatures return close to normal with highs in the mid 90s in the Treasure Valley, lower 90s in the Magic Valley, and upper 70s/lower 80s for higher elevations for the remainder of the week.
