This will make for hazardous driving through tonight on area roads.
The current temperature in Bethesda is 23°F, and we'll hit the low-mid 30s by afternoon, before dropping back to the low 30s tonight. Winds will be South, 10-15 MPH today.
Here are some of the current temperatures around Bethesda:
Stay tuned here and at @BethesdaRow on Twitter for updates during the storm.