Helena, MT Weather Forecast
Lewis and Clark County, Montana
Live radar, warnings and storm tracking for Helena, with free alerts the moment it counts.
The next few hours
Taller, warmer bars mean heavier rain. Dotted means no reading for that hour.
Hour by hour
Sunrise and sunset
Next five days, scored 0 to 100The first day or two use the HRRR and NBM cloud layers. Later days only have total cloud, so treat them as a rough guide.
Know when sunset at this place will be worth a photo
We score every sunrise and sunset here from the cloud, haze and smoke forecast, and let you know when one is likely to light up. Sunrise the evening before, sunset a few hours ahead.
Seven-day outlook
Free alerts for Helena
Every NWS warning, pushed to your phone, inbox or webhook the moment it is issued.
Helena, MT at a glance
Helena is home to about 34,464 people in Lewis and Clark County, across 17 square miles. It ranks 6th by population of 29 places in Montana with a forecast here. The nearest neighbour with its own forecast is Deer Lodge, 37 miles away.
- County
- Lewis and Clark County
- Population
- 34,464 2023 est.
- Land area
- 17 sq mi
- People per sq mi
- 2,040
- Forecast point
- 46.5955°N, 112.0187°W
How well can the network see Helena?
The nearest Doppler radar is KTFX (Great Falls, MT), to the NNE. Its lowest scan passes about 5,300 ft above Helena. The beam is above the lowest few thousand feet here, so a warning for Helena can come before anything looks dramatic on radar.
The closest weather station is KHLN (Helena Rgnl). Close enough that its readings are the conditions in town.
Forecasts near Helena
- Deer Lodge, MT37 mi
- Butte, MT57 mi
- Anaconda-Deer Lodge County, MT64 mi
- Belgrade, MT69 mi
- Great Falls, MT71 mi
- Bozeman, MT78 mi
- Dillon, MT100 mi
- Salmon, ID133 mi
Elsewhere in Montana
BillingsMissoulaGreat FallsBozemanButteKalispellAll Montana forecasts →

