| NWS Forecast for: Gallatin Valley Issued by: National Weather Service Great Falls, MT Last Update: 201 AM MDT Thu Aug 28 2025 |  |
| Today: Rain showers and slight chance of thunderstorms in the morning, then rain showers and chance of thunderstorms in the afternoon. Areas of fog in the morning. Patchy fog in the afternoon. Highs 65 to 70. South winds up to 5 mph shifting to the west in the afternoon. Chance of precipitation 90 percent. Tonight: Mostly cloudy. Rain showers likely and chance of thunderstorms in the evening, then slight chance of rain showers after midnight. Lows around 50. Southwest winds up to 5 mph shifting to the south after midnight. Chance of precipitation 70 percent. Friday: Mostly cloudy. Chance of rain showers in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds up to 10 mph shifting to the northwest in the afternoon. Chance of precipitation 50 percent. Friday Night: Mostly cloudy with chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows around 50. North winds 5 to 10 mph shifting to the south after midnight. Chance of precipitation 40 percent. Saturday: Partly cloudy in the morning, then sunny with a 20 percent chance of rain showers in the afternoon. Highs 75 to 80. South winds up to 5 mph shifting to the northwest in the afternoon. Saturday Night: Mostly clear. Lows around 50. Sunday: Sunny. Highs 80 to 85. Sunday Night And Labor Day: Mostly clear. Lows 50 to 55. Highs around 85. Monday Night And Tuesday: Partly cloudy. Lows 50 to 55. Highs around 80. Tuesday Night: Partly cloudy. Lows around 50. Wednesday: Sunny. Highs around 80. | |
| Zone Forecast: Gallatin Valley | |
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