Helena, Montana
[Helena Regional Airport]

Latitude: 46.6056
Longitude: -111.9636
Elevation 3,828 feet

Data from National Weather Service: Forecast Office: TFX; Station Code: HLN; GHCN ID: USW00024144

Station Records:
   Max High: 105° recorded on Jul 12, 2002, Aug 24, 1969
   Min High: -23° recorded on Feb 2, 1989
   Max Low: 72° recorded on Jul 28, 2021
   Min Low: -42° recorded on Feb 2, 1996, Jan 25, 1957
   Max Precip: 2.06" recorded on May 3, 1964
   Max Snowfall: 18.8" recorded on Nov 11, 1959

 

 

 

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Weather Over The Last 8 Weeks:
High Temps Low Temps Precip 7 Day Avg

 

This station has 31,612 daily observations. Dated from April 1, 1938 until October 18, 2025.

The data for this station is 98.8% complete, 98.9% of the daily records are available, of which 100.0% of that data is complete.

 

Today (October 20) in Weather History for Helena, Montana

Records For This Day:

Max High: 81° recorded in 2023
Min High: 30° recorded in 1949
Max Low: 46° recorded in 2023
Min Low: 18° recorded in 1995
Max Precip: 0.24" recorded in 1971
Max Snowfall: 3.5" recorded in 1981

 

 

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