I-15 weather conditions near great-falls-montana Weather, Montana

Roadnow AI Agent Live Update

7 day weather forecast

• Current condition: Mostly Cloudy 81°F 2025-08-02T13:15:00
• This Afternoon 2025-08-02, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. West wind 13 to 15 mph, with gusts as high as 21 mph.
• Tonight 2025-08-02, Slight Chance T-storms then Partly Cloudy. A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 56. Southwest wind 7 to 11 mph, with gusts as high as 18 mph.
• Sunday 2025-08-03, Mostly Sunny. Mostly sunny, with a high near 85. West wind 7 to 13 mph, with gusts as high as 18 mph.
• Sunday Night 2025-08-03, Partly Cloudy. Partly cloudy, with a low around 52. West northwest wind 5 to 9 mph becoming calm after midnight.
• Monday 2025-08-04, Mostly Sunny then Slight Chance T-storms. A slight chance of showers between noon and 3pm, then a slight chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 85. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 20%.
• Monday Night 2025-08-04, Chance T-storms. A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56. East wind 5 to 10 mph becoming west in the evening.
• Tuesday 2025-08-05, Mostly Sunny then Slight Chance T-storms. A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. West southwest wind 6 to 10 mph, with gusts as high as 21 mph.
• Tuesday Night 2025-08-05, Mostly Clear. Mostly clear, with a low around 55. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
• Wednesday 2025-08-06, Sunny. Sunny, with a high near 88.
• Wednesday Night 2025-08-06, Partly Cloudy. Partly cloudy, with a low around 57.
• Thursday 2025-08-07, Partly Sunny. Partly sunny, with a high near 84.
• Thursday Night 2025-08-07, Slight Chance T-storms then Slight Chance Showers. A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
• Friday 2025-08-08, Mostly Cloudy then Slight Chance T-storms. A slight chance of showers and thunderstorms. Partly sunny, with a high near 76.