Williams County, ND: Current UV Index and Hourly Forecast

As of 1:43 AM CDT on September 22, 2025, all 12 cities in Williams County, ND in our database have a UV Index reading of 0, indicating no radiation from the sun.

Over the next 24 hours, the highest UV Index reading in Williams County, ND is expected to be 4.7 in Williston between 2:00 PM - 3:00 PM CDT today.

Search Cities in Williams County, ND

UV Index Risk Levels
Range0 - 23 - 56 - 78 - 1011+
Color
RiskLowModerateHighVery HighExtreme
UV Index in Williams County, ND as of 1:43 AM CDT, September 22, 2025

Current UV Index in Cities in Williams County, ND

1:43 AM CDT, September 22, 2025