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Tropical Depression Nine in the Gulf of America; California October Heat Wave Continues

Tropical Depression Nine is forecast to track toward the central U.S. Gulf Coast while strengthening into a tropical storm by early Wednesday and a hurricane on Thursday. Stay tuned to forecast updates. Much higher than typical October temperatures will continue across much of California through midweek. Temperatures are forecast to gradually cool beginning Thursday in Coastal California. Read More >

Current conditions at

ST. IGNATIUS (SIGM)

Lat: 47.31333°NLon: 114.09806°WElev: 2990.0ft.

NA

79°F

26°C

Humidity 19%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Heat Index78°F (26°C)
Last update 06 Oct 05:00 PM MDT
Extended Forecast for

9 Miles W St. Ignatius MT

  • Tonight

    Tonight: Partly cloudy, with a low around 37. Calm wind becoming south around 5 mph.

    Low: 37 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Light and variable wind.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Calm wind.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 76. Calm wind.

    High: 76 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 44. Calm wind becoming south 5 to 7 mph in the evening.

    Low: 44 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Rain likely before midnight, then rain and snow. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Rain Likely
    then
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 37. Calm wind becoming south around 5 mph.
Wednesday
Sunny, with a high near 75. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 38. Calm wind.
Thursday
Sunny, with a high near 76. Calm wind.
Thursday Night
Partly cloudy, with a low around 44. Calm wind becoming south 5 to 7 mph in the evening.
Friday
Mostly sunny, with a high near 79.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 39.
Saturday
A chance of rain. Mostly cloudy, with a high near 55.
Saturday Night
Rain likely before midnight, then rain and snow. Mostly cloudy, with a low around 31.
Sunday
A chance of rain and snow before 3pm, then a slight chance of rain. Mostly cloudy, with a high near 48.
Sunday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 26.
Columbus Day
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles W St. Ignatius MT
 47.33°N 114.28°W (Elev. 2789 ft)
Last Update:
12:22 pm MDT Oct 6, 2026
Forecast Valid:
5pm MDT Oct 6, 2026-6pm MDT Oct 13, 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