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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Hazardous Weather Conditions

Current conditions at

FORT ASSINIBOINE #1 (FASM8)

Lat: 48.48333°NLon: 109.8°WElev: 2710.0ft.

NA

N/A

Humidity NA
Wind Speed WNW 9 MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

10 Miles NNE Box Elder MT

Dense Fog Advisory October 12, 09:00pm until October 13, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Patchy dense fog after 9pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 20. South southwest wind 7 to 13 mph.

    Low: 20 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44. Southwest wind 8 to 15 mph, with gusts as high as 21 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 17. South southwest wind 6 to 15 mph, with gusts as high as 21 mph.

    Low: 17 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 9am. Otherwise, sunny, with a high near 54. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 32. Southwest wind 5 to 8 mph.

    Low: 32 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58. West northwest wind 3 to 5 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 29. East southeast wind 3 to 5 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 68. Light south southeast wind becoming south southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy dense fog after 9pm. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 20. South southwest wind 7 to 13 mph.
Tuesday
Mostly sunny, with a high near 44. Southwest wind 8 to 15 mph, with gusts as high as 21 mph.
Tuesday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 17. South southwest wind 6 to 15 mph, with gusts as high as 21 mph.
Wednesday
Patchy fog before 9am. Otherwise, sunny, with a high near 54. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 32. Southwest wind 5 to 8 mph.
Thursday
Sunny, with a high near 58. West northwest wind 3 to 5 mph.
Thursday Night
Mostly clear, with a low around 29. East southeast wind 3 to 5 mph.
Friday
Sunny, with a high near 68. Light south southeast wind becoming south southwest 6 to 11 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 67.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles NNE Box Elder MT
 48.46°N 109.93°W (Elev. 2651 ft)
Last Update:
12:31 pm MDT Oct 12, 2026
Forecast Valid:
3pm MDT Oct 12, 2026-6pm MDT Oct 19, 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