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

Heavy to Excessive Rainfall for the Southwest U.S.; Watching for Possible East Coast Storm

Thunderstorms and a chance for some isolated flash flooding will continue today in the Southwest U.S. before an influx of tropical moisture from Priscilla brings widespread heavy rainfall and a flash flooding threat late this week into this weekend. A coastal storm may develop off the southeast U.S. coast Friday night and drift north just off the Mid-Atlantic coast through the weekend. Read More >

Current conditions at

Norris Hill US-287 MP 60 (MTNOR)

Lat: 45.4996°NLon: 111.69618°WElev: 5699.0ft.

NA

65°F

18°C

Humidity 34%
Wind Speed SSW 27 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 08 Oct 03:00 PM MDT
Extended Forecast for

Mcallister MT

  • Tonight

    Tonight: Mostly clear, with a low around 38. South southeast wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. Southwest wind 5 to 9 mph becoming east northeast in the afternoon.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. East northeast wind around 9 mph becoming south after midnight.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers before noon. Sunny, with a high near 73. South wind 8 to 17 mph, with gusts as high as 23 mph.

    High: 73 °F

    Slight Chance
    Showers then
    Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers after midnight. Partly cloudy, with a low around 44. South wind 15 to 18 mph, with gusts as high as 25 mph.

    Low: 44 °F

    Mostly Clear
    then Chance
    Showers

  • Saturday

    Saturday: Showers. High near 64. South southwest wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before midnight, then rain likely after midnight. Mostly cloudy, with a low around 31. South southwest wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.

    Low: 31 °F

    Showers
    Likely

  • Sunday

    Sunday: Rain likely before 9am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 48. West southwest wind 11 to 17 mph, with gusts as high as 22 mph.

    High: 48 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of rain before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly clear, with a low around 38. South southeast wind 13 to 18 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 72. Southwest wind 5 to 9 mph becoming east northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 42. East northeast wind around 9 mph becoming south after midnight.
Friday
A 20 percent chance of showers before noon. Sunny, with a high near 73. South wind 8 to 17 mph, with gusts as high as 23 mph.
Friday Night
A 40 percent chance of showers after midnight. Partly cloudy, with a low around 44. South wind 15 to 18 mph, with gusts as high as 25 mph.
Saturday
Showers. High near 64. South southwest wind 11 to 17 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm before midnight, then rain likely after midnight. Mostly cloudy, with a low around 31. South southwest wind 14 to 16 mph, with gusts as high as 23 mph. Chance of precipitation is 60%.
Sunday
Rain likely before 9am, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 48. West southwest wind 11 to 17 mph, with gusts as high as 22 mph.
Sunday Night
A chance of rain before 9pm, then a chance of rain and snow. Mostly cloudy, with a low around 26.
Columbus Day
A chance of rain and snow before 3pm, then a chance of rain. Partly sunny, with a high near 46.
Monday Night
A chance of rain and snow. Mostly cloudy, with a low around 26.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 50.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mcallister MT
 45.45°N 111.75°W (Elev. 4997 ft)
Last Update:
2:13 am MDT Oct 8, 2025
Forecast Valid:
3pm MDT Oct 8, 2025-6pm MDT Oct 15, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation