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

TOSTON (TOSM)

Lat: 46.12222°NLon: 111.49472°WElev: 4058.0ft.

NA

35°F

2°C

Humidity 79%
Wind Speed ESE 2 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 12 Oct 02:00 PM MDT
Extended Forecast for

Radersburg MT

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

  • Columbus Day

    Columbus Day: A slight chance of rain and snow. Mostly cloudy, with a high near 36. East wind around 5 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 22. Southeast wind around 5 mph becoming calm in the evening.

    Low: 22 °F

    Patchy Dense
    Fog

  • Tuesday

    Tuesday: Areas of dense fog before noon. Otherwise, mostly sunny, with a high near 40. Light and variable wind.

    High: 40 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog between 9pm and 3am. Otherwise, partly cloudy, with a low around 22. Light south wind.

    Low: 22 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. South southwest wind 3 to 5 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Light and variable wind.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 56. Light and variable wind.

    High: 56 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30. Calm wind becoming south 5 to 7 mph after midnight.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

Detailed Forecast

Columbus Day
A slight chance of rain and snow. Mostly cloudy, with a high near 36. East wind around 5 mph. Chance of precipitation is 20%.
Tonight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 22. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Areas of dense fog before noon. Otherwise, mostly sunny, with a high near 40. Light and variable wind.
Tuesday Night
Patchy fog between 9pm and 3am. Otherwise, partly cloudy, with a low around 22. Light south wind.
Wednesday
Mostly sunny, with a high near 48. South southwest wind 3 to 5 mph.
Wednesday Night
Mostly clear, with a low around 31. Light and variable wind.
Thursday
Sunny, with a high near 56. Light and variable wind.
Thursday Night
Mostly clear, with a low around 30. Calm wind becoming south 5 to 7 mph after midnight.
Friday
Sunny, with a high near 64.
Friday Night
Clear, with a low around 35.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Radersburg MT
 46.19°N 111.63°W (Elev. 4350 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