Castle Bluff Rapids, MT Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Castle Bluff Rapids, MT Weather Forecast

Current Conditions

Settings
Castle Bluff Rapids MT weather  - Clear - 42°F
Clear
42°F
Updated 2:40 am
Feels Like 44°F
Humidity 95%
Wind VRB 5 mph
Barometer  30.1 in
Dew Point 41°F
Castle Bluff Rapids MT weather  - Clear - 6°C
Clear
6°C
Updated 2:40 am
Feels Like 7°C
Humidity 95%
Wind VRB 8 km/h
Barometer  101.9 kPa
Dew Point 5°C

Castle Bluff Rapids Weather Forecast

REST OF TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY MONDAY MONDAY NIGHT
Castle Bluff Rapids, MT Weather - Rest Of Tonight Rain Showers Castle Bluff Rapids, MT Weather - Wednesday Partly Sunny Castle Bluff Rapids, MT Weather - Wednesday Night Mostly Clear Castle Bluff Rapids, MT Weather - Thursday Sunny Castle Bluff Rapids, MT Weather - Thursday Night Chance Of T-Storm Castle Bluff Rapids, MT Weather - Friday Chance Of T-Storm Castle Bluff Rapids, MT Weather - Friday Night Chance Of T-Storm Castle Bluff Rapids, MT Weather - Saturday Chance Of Rain Castle Bluff Rapids, MT Weather - Saturday Night Partly Cloudy Castle Bluff Rapids, MT Weather - Sunday Mostly Clear Castle Bluff Rapids, MT Weather - Monday Mostly Clear Castle Bluff Rapids, MT Weather - Monday Night Partly Cloudy
Rain Showers Partly Sunny Mostly Clear Sunny Chance of T-Storm Chance of T-Storm Chance of T-Storm Chance of Rain Partly Cloudy Mostly Clear Mostly Clear Partly Cloudy
Lo: 43°FLo: 6°C Hi: 62°FHi: 17°C
Lo: 45°FLo: 7°C Hi: 71°FHi: 22°C
Lo: 50°FLo: 10°C Hi: 69°FHi: 21°C
Lo: 49°FLo: 9°C
Hi: 69°FHi: 21°C
Lo: 49°FLo: 9°C
Hi: 71°FHi: 22°C
Lo: 49°FLo: 9°C Hi: 74°FHi: 23°C
Lo: 50°FLo: 10°C
Hi: 74°FHi: 23°C
Lo: 50°FLo: 10°C
Hi: 71°FHi: 22°C
Lo: 50°FLo: 10°C
POP: 50% POP: 50% POP: 50% POP: 50% POP: 30%
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 AM MDT Tue Sep 15 2026 Castle Bluff Rapids, MT Weather - WeatherWorld.com

Trending Headlines

Castle Bluff Rapids Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Castle Bluff Rapids Quick Facts

National Two Day Weather Forecast


E-mail the Castle Bluff Rapids Weather Forecast

Voice your opinion or tell us about page issues...

Castle Bluff Rapids Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 1251 AM MDT Tue Sep 15 2026

Key Messages

  • Areas of rain near the Canadian border late today into tonight.
  • Dry Wednesday ahead of showers and thunderstorms Thursday and Friday.
  • Warmer and drier by the end of the weekend.

Discussion

...
  • Meteorological Overview: A fast moving trough within a northwesterly flow aloft along the BC/Pac NW coast will slow considerably through the day today as it intensifies and eventually splits some of its energy. The weaker portion of this troughing skirts across the Canadian border this evening an...