Above: The numbers indicate sustained wind speeds. The solid red areas are Red Flag Warnings. The lines show fronts. Reported at 12:40 p.m. MDT, October 31, 2016.

(UPDATED at 12:58 a.m. MDT October 31, 2016)

As weather fronts move across the Great Plains they are bringing strong winds today. Behind the trough (dashed yellow line) relative humidities are in the teens and twenties.

The National Weather Service has posted Red Flag Warnings for areas in South Dakota, Nebraska, and Colorado.

Red Flag Warnings can change throughout the day as the National Weather Service offices around the country update and revise their forecasts and maps.