Helena, MT Weather Radar

About Helena weather

Helena is in Lewis and Clark County, Montana, United States at 46.59°, -112.04°. Right now it’s 48° and mostly clear; today’s high is 75° with a 0% chance of rain.

Montana's climate is defined by its position as a gateway between the Pacific maritime influences from the west and the harsh continental climate of the northern Great Plains. The state holds the record for the largest 24-hour temperature change in U.S. history, when Loma experienced a 103-degree rise from minus 54 to 49 degrees Fahrenheit in January 1972. The Continental Divide runs through the western mountains, creating dramatically different weather on either side.