Weather WorldThunderbolt Lake, MT 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Thunderbolt Lake Weather Forecast
Thunderbolt Lake, MT Weather Forecast Date: 416 AM MST Tue Nov 03 2026
Weather forecast for Thunderbolt Lake, MT
Today Hi: 42°FHi: 6°C Lo: 26°F Lo: -3°C |
Today... Not as cool. Mostly sunny. Patchy fog early in the morning. Highs 36 to 46. South winds up to 10 mph with gusts to around 25 mph. |
Wed Hi: 43°FHi: 6°C Lo: 25°F Lo: -4°C |
Wednesday... Partly sunny in the morning then clearing. Highs 38 to 46. North winds up to 5 mph. |
| Thu Hi: 39°FHi: 4°C Lo: 25°F Lo: -4°C |
Thursday... Mostly sunny. Patchy fog in the morning. Highs 33 to 43. South winds 5 to 15 mph with gusts to around 30 mph. |
| Fri Hi: 38°FHi: 3°C Lo: 28°F Lo: -2°C |
Friday... Partly cloudy. Lows 21 to 27. Highs 32 to 42. |
| Sat Hi: 44°FHi: 7°C Lo: 28°F Lo: -2°C |
Saturday... Partly cloudy. Highs 36 to 50. Lows 22 to 32. |
| Sun Hi: 44°FHi: 7°C Lo: 28°F Lo: -2°C |
Sunday... Partly cloudy. Highs 36 to 50. Lows 22 to 32. |
| Sun Hi: 44°FHi: 7°C Lo: 28°F Lo: -2°C |
Sunday... Partly cloudy. Highs 36 to 50. Lows 22 to 32. |
Thunderbolt Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...