


NWS Forecast for: Helena Valley Issued by: National Weather Service Great Falls, MT Last Update: 103 PM MDT Fri Jun 13 2025 | |
Rest Of Today: Mostly cloudy with a 50 percent chance of thunderstorms. Some thunderstorms may be severe with damaging winds and large hail. Highs around 80. Northwest winds 5 to 10 mph. Tonight: Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then mostly clear after midnight. Some thunderstorms may be severe with damaging winds and large hail. Lows around 50. Northwest winds up to 10 mph in the evening becoming light. Chance of precipitation 50 percent. Saturday: Sunny in the morning, then partly cloudy with a 30 percent chance of rain showers in the afternoon. Highs around 80. North winds up to 10 mph. Saturday Night: Partly cloudy. A 20 percent chance of thunderstorms in the evening. Lows 50 to 55. Northwest winds up to 10 mph. Sunday: Partly cloudy in the morning, then mostly cloudy with a 40 percent chance of thunderstorms in the afternoon. Highs around 80. Light winds becoming northeast up to 5 mph in the afternoon. Sunday Night: Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows 50 to 55. Chance of precipitation 50 percent. Monday: Mostly cloudy with a 50 percent chance of thunderstorms. Highs 75 to 80. Monday Night And Tuesday: Mostly cloudy with chance of rain showers and slight chance of thunderstorms. Lows around 50. Highs around 75. Chance of precipitation 30 percent. Tuesday Night Through Juneteenth: Mostly clear. Lows 45 to 50. Highs around 80. | |
Zone Forecast: Helena Valley | |
Visit your local NWS office at: https://www.weather.gov/tfx |