An Arctic Front is Expected to Bring Some Snow and Dangerous Cold to the Region This Weekend.

A period of light snow is expected across the area Friday night into Saturday morning, with some snow squalls possible. Saturday into Sunday, the combination of very cold air and strong winds will lead to dangerously cold wind chills. Please see the current briefing for full details. Read More >

Dispersion Index Table

DISPERSION INDEX TABLE

Dispersion Index	Interpretation
>100	Very Good (but may indirectly indicate hazardous conditions.)
60-100	Good (typical burning values)
41-60	Fair to Good (climatological afternoon values for most inland forests.)
21-40	Fair (stagnation if accompanied by persistent low wind speeds.)
13-20	Poor to Fair (stagnation, if persistent; better than average for nighttime.)
7-12	Poor (stagnant, but near average at nighttime.)
1-6	Very Poor (climatological nighttime value for most locations.)