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

River Flooding Continues in East Florida; Rain and Thunderstorms from the Mid-Atlantic to the Northeast Thursday; Heavy Rain in Puerto Rico

Significant river flooding is forecast along the St. John’s and the Peace rivers through the end of the week as flood waters will be slow to recede. Periods of rainfall and thunderstorms are expected across the Lower Great Lakes, Central Appalachians, Mid-Atlantic and Northeast Thursday and Friday. In Puerto Rico, increased moisture in the Atlantic will produce heavy rainfall for the island. Read More >

Current conditions at

Helena Regional Airport (KHLN)

Lat: 46.60445°NLon: 111.9892°WElev: 3874.0ft.

Clear

35°F

2°C

Humidity 84%
Wind Speed ESE 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 04 Nov 08:53 PM MST
Extended Forecast for

Montana City MT

  • Tonight

    Tonight: Clear, with a low around 28. South southwest wind 3 to 5 mph.

    Low: 28 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 48. Light and variable wind.

    High: 48 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. South southwest wind 3 to 6 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 50. South southwest wind 6 to 8 mph.

    High: 50 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. South southwest wind 5 to 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Light and variable wind becoming east 5 to 7 mph in the afternoon.

    High: 55 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Light south southeast wind becoming south 5 to 10 mph in the evening.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Southwest wind around 10 mph, with gusts as high as 21 mph.

    High: 61 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 28. South southwest wind 3 to 5 mph.
Thursday
Increasing clouds, with a high near 48. Light and variable wind.
Thursday Night
Mostly clear, with a low around 29. South southwest wind 3 to 6 mph.
Friday
Sunny, with a high near 50. South southwest wind 6 to 8 mph.
Friday Night
Partly cloudy, with a low around 35. South southwest wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 55. Light and variable wind becoming east 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 36. Light south southeast wind becoming south 5 to 10 mph in the evening.
Sunday
Mostly sunny, with a high near 61. Southwest wind around 10 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 53.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 37.
Veterans Day
Mostly sunny, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Montana City MT
 46.53°N 111.94°W (Elev. 4199 ft)
Last Update:
3:06 pm MST Nov 4, 2026
Forecast Valid:
9pm MST Nov 4, 2026-6pm MST Nov 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation