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

Excessive Rainfall Possible for the Gulf Coast and Florida; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across parts of the Gulf Coast into central/northern Florida early this week. Abnormally hot, potentially record-breaking, temperatures will continue for southern California and stretch north toward the Bay Area and Central Valley this week. Read More >

Current conditions at

Helena Regional Airport (KHLN)

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

Clear

50°F

10°C

Humidity 57%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 05 Oct 02:15 AM MDT
Extended Forecast for

Montana City MT

  • Overnight

    Overnight: Partly cloudy, with a low around 50. South southwest wind around 7 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Patchy smoke after 3pm. Mostly sunny, with a high near 82. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 82 °F

    Partly Sunny
    then Patchy
    Smoke

  • Monday Night

    Monday Night: Patchy smoke before 9pm. Partly cloudy, with a low around 48. West wind 5 to 8 mph becoming south in the evening.

    Low: 48 °F

    Patchy Smoke
    then Partly
    Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. Northwest wind around 5 mph becoming light and variable after midnight.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 43. Light and variable wind.

    Low: 43 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. South southwest wind around 7 mph.
Monday
Patchy smoke after 3pm. Mostly sunny, with a high near 82. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Patchy smoke before 9pm. Partly cloudy, with a low around 48. West wind 5 to 8 mph becoming south in the evening.
Tuesday
Sunny, with a high near 78. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 44. Northwest wind around 5 mph becoming light and variable after midnight.
Wednesday
Sunny, with a high near 77. Calm wind becoming north northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 43. Light and variable wind.
Thursday
Sunny, with a high near 74. Calm wind becoming north northwest around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 43.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 46.
Saturday
A chance of rain. Partly sunny, with a high near 62.
Saturday Night
Rain and snow likely. Mostly cloudy, with a low around 32.
Sunday
Rain and snow. Mostly cloudy, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montana City MT
 46.53°N 111.94°W (Elev. 4199 ft)
Last Update:
12:31 am MDT Oct 5, 2026
Forecast Valid:
2am MDT Oct 5, 2026-6pm MDT Oct 11, 2026
 
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