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Heavy to Excessive Rainfall in Montana; Bering Sea Low to Bring Impacts to Southwest Alaska

Heavy to excessive rainfall is forecast across portions of Montana Wednesday, along with an isolated flash flooding threat. A Slight Risk of Excessive Rainfall (level 2 of 4) is in effect for central Montana. A Bering Sea low will continue to bring strong winds, moderate to heavy rainfall, and high seas to southwest Alaska. A North Pacific Low may impact southwest Alaska at the end of the week. Read More >

Current conditions at

SIARD (SIAN2)

Lat: 40.39433°NLon: 117.62567°WElev: 4600.0ft.

NA

52°F

11°C

Humidity 88%
Wind Speed ESE 1 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 18 Sep 12:38 AM PDT
Extended Forecast for

3 Miles ENE Unionville NV

  • Overnight

    Overnight: Mostly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm.

    Low: 47 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 66. Calm wind becoming northeast around 5 mph. Chance of precipitation is 40%.

    High: 66 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 2am, then a chance of showers after 5am. Mostly cloudy, with a low around 48. East wind around 5 mph becoming northwest in the evening. Chance of precipitation is 30%.

    Low: 48 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers after 11am. Partly sunny, with a high near 69. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 69 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. North wind around 5 mph.

    Low: 45 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 75. Northwest wind around 5 mph.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 47. Southeast wind around 5 mph becoming calm.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 66. Calm wind becoming northeast around 5 mph. Chance of precipitation is 40%.
Wednesday Night
A slight chance of showers and thunderstorms before 2am, then a chance of showers after 5am. Mostly cloudy, with a low around 48. East wind around 5 mph becoming northwest in the evening. Chance of precipitation is 30%.
Thursday
A chance of showers before 8am, then a chance of showers after 11am. Partly sunny, with a high near 69. North wind around 5 mph becoming east in the afternoon. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 45. North wind around 5 mph.
Friday
Sunny, with a high near 75. Northwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 72.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Mostly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Sunny, with a high near 77.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Unionville NV
 40.46°N 118.07°W (Elev. 4432 ft)
Last Update:
12:26 am PDT Sep 18, 2024
Forecast Valid:
1am PDT Sep 18, 2024-6pm PDT Sep 24, 2024
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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