| NWS Forecast for: Helena Valley Issued by: National Weather Service Great Falls, MT Last Update: 213 PM MST Sun Dec 28 2025 | |
| Tonight: Not as cold. Partly cloudy then becoming mostly cloudy late in the evening then becoming partly cloudy. Near steady temperature around 13. South winds 5 to 10 mph. Monday: Not as cold. Sunny. Highs in the lower 30s. Southeast winds up to 10 mph. Monday Night: Not as cold. Mostly clear in the evening then becoming mostly cloudy. Near steady temperature in the mid 20s. South winds 5 to 10 mph. Tuesday: Mostly sunny. Highs in the lower 40s. South winds up to 5 mph. Tuesday Night: Partly cloudy. Lows in the mid 20s. South winds 5 to 10 mph. Wednesday And Wednesday Night: Partly cloudy. Highs in the mid 40s. Lows in the mid 20s. New Years Day Through Friday Night: Mostly cloudy. Highs in the mid 40s. Lows in the upper 20s. Saturday: Partly sunny. A 20 percent chance of snow in the afternoon. Highs in the mid 40s. Saturday Night: Mostly cloudy. Slight chance of rain and snow in the evening, then slight chance of snow after midnight. Lows in the mid 20s. Chance of precipitation 20 percent. Sunday: Mostly cloudy. Highs in the mid 40s. | |
| Zone Forecast: Helena Valley | |
Visit your local NWS office at: https://www.weather.gov/tfx |