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J B Weather Forecast
J B, MT Weather Forecast Date: 326 PM MDT Tue Oct 20 2026
Weather forecast for J B, MT
Tonight Lo: 31°F Lo: -1°C |
Tonight... Partly cloudy this evening, then becoming mostly clear. Lows in the lower 30s. Northeast wind around 5 mph. |
Wed Hi: 69°FHi: 21°C Lo: 41°F Lo: 5°C |
Wednesday... Sunny. Highs in the upper 60s. East wind 5 to 10 mph. |
| Thu Hi: 75°FHi: 24°C Lo: 45°F Lo: 7°C |
Thursday... Sunny. Highs in the mid 70s. Light and variable winds, becoming south around 5 mph in the afternoon. |
Fri Hi: 71°FHi: 22°C Lo: 25°F Lo: -4°C |
Friday... A chance of rain. Highs in the lower 70s. |
Sat Hi: 49°FHi: 9°C Lo: 25°F Lo: -4°C |
Saturday... Partly cloudy and breezy. Highs in the upper 40s. Lows in the mid 20s. |
| Sun Hi: 49°FHi: 9°C Lo: 25°F Lo: -4°C |
Sunday... Partly cloudy and breezy. Highs in the upper 40s. Lows in the mid 20s. |
| Mon Hi: 49°FHi: 9°C Lo: 25°F Lo: -4°C |
Monday... Partly cloudy and breezy. Highs in the upper 40s. Lows in the mid 20s. |
| Mon Hi: 49°FHi: 9°C Lo: 25°F Lo: -4°C |
Monday... Partly cloudy and breezy. Highs in the upper 40s. Lows in the mid 20s. |
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