Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.
A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >
Current conditions at
HELENA (HRWM8)
Lat: 46.73167°NLon: 112.01917°WElev: 3800.0ft.NA
29°F
-2°C
| Humidity | 60% |
| Wind Speed | ESE 4 MPH |
| Barometer | NA |
| Dewpoint | 17°F (-8°C) |
| Visibility | NA |
| Wind Chill | 25°F (-4°C) |
| Last update | 30 Dec 01:53 AM MST |
Extended Forecast for
14 Miles NNE Helena MT
Overnight
Low: 23 °F
Mostly Cloudy
Tuesday
High: 41 °F
Becoming
SunnyTuesday Night
Low: 25 °F
Mostly Clear
Wednesday
High: 45 °F
Mostly Sunny
Wednesday Night
Low: 30 °F
Mostly Cloudy
New Year's Day
High: 43 °F
Partly Sunny
Thursday Night
Low: 32 °F
Mostly Cloudy
Friday
High: 47 °F
Mostly Cloudy
Friday Night
Low: 34 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 23. East southeast wind around 6 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 41. Southeast wind 7 to 9 mph.
Tuesday Night
Mostly clear, with a low around 25. Southeast wind around 9 mph.
Wednesday
Mostly sunny, with a high near 45. South southeast wind around 8 mph.
Wednesday Night
Mostly cloudy, with a low around 30. South wind around 8 mph.
New Year's Day
Partly sunny, with a high near 43. South wind around 7 mph.
Thursday Night
Mostly cloudy, with a low around 32. South wind around 6 mph.
Friday
Mostly cloudy, with a high near 47. South wind 7 to 9 mph.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
A slight chance of rain before 2pm, then a slight chance of rain and snow. Partly sunny, with a high near 47.
Saturday Night
A slight chance of rain and snow. Partly cloudy, with a low around 29.
Sunday
Mostly sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 42.
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
14 Miles NNE Helena MT
46.81°N 111.9°W (Elev. 3950 ft)
46.81°N 111.9°W (Elev. 3950 ft)
1:02 am MST Dec 30, 2025
2am MST Dec 30, 2025-6pm MST Jan 5, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
