National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Excessive Rainfall and Severe Thunderstorms Threaten the Southern U.S. Again Friday

Heavy to excessive rainfall is forecast for eastern Louisiana into central Alabama which could bring flash, urban, and riverine flooding Friday. Scattered severe thunderstorms with a few tornadoes, very large hail, and damaging winds are possible across parts of the Gulf Coast States Friday and Friday night. Read More >

Current conditions at

ROCKY BOY (RCBM8)

Lat: 48.25529°NLon: 109.78592°WElev: 3789.0ft.

NA

49°F

9°C

Humidity 76%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 17 May 04:18 AM MDT
Extended Forecast for

Big Sandy MT

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 49. South southwest wind around 9 mph.

    Low: 49 °F

    Slight Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 10am, then a chance of showers after 3pm. Partly sunny, with a high near 63. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms between midnight and 2am. Low around 38. Breezy, with a west wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%.

    Low: 38 °F

    Showers and
    Breezy then
    Slight Chance
    T-storms

  • Saturday

    Saturday: Sunny, with a high near 64. West wind 8 to 13 mph, with gusts as high as 22 mph.

    High: 64 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. West wind 5 to 9 mph becoming light after midnight.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. Light west southwest wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 60%.

    High: 58 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 38. Northwest wind 6 to 10 mph.

    Low: 38 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly after noon. Mostly cloudy, with a high near 57. West wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 57 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Slight Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 49. South southwest wind around 9 mph.
Friday
A slight chance of showers before 10am, then a chance of showers after 3pm. Partly sunny, with a high near 63. Breezy, with a west wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 40%.
Friday Night
Showers and possibly a thunderstorm before midnight, then a slight chance of showers and thunderstorms between midnight and 2am. Low around 38. Breezy, with a west wind 17 to 22 mph decreasing to 9 to 14 mph after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%.
Saturday
Sunny, with a high near 64. West wind 8 to 13 mph, with gusts as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 39. West wind 5 to 9 mph becoming light after midnight.
Sunday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 58. Light west southwest wind becoming northwest 5 to 10 mph in the morning. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 38. Northwest wind 6 to 10 mph.
Monday
Showers likely, mainly after noon. Mostly cloudy, with a high near 57. West wind 6 to 10 mph, with gusts as high as 18 mph.
Monday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 37.
Tuesday
A slight chance of showers after noon. Mostly sunny, with a high near 64.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 42.
Wednesday
A chance of showers. Partly sunny, with a high near 63.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 42.
Thursday
Showers likely. Mostly cloudy, with a high near 58.
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Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Big Sandy MT
 48.18°N 110.11°W (Elev. 2759 ft)
Last Update:
2:15 am MDT May 17, 2024
Forecast Valid:
4am MDT May 17, 2024-6pm MDT May 23, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation