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

Heavy Rain and Flash Flooding Threat in Montana; Severe Thunderstorms in the Middle Missouri Valley

A low pressure system will bring heavy to excessive rainfall and high winds across Montana this afternoon. Heavy rainfall totals may lead to scattered flash flooding concerns. A line of showers and strong to severe thunderstorms will move into the mid Missouri Valley region this afternoon producing severe winds and isolated large hail with stronger storms. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6300.0ft.

NA

50°F

10°C

Humidity 74%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 18 Sep 12:15 PM MDT
Extended Forecast for

Gardiner MT

  • This Afternoon

    This Afternoon: Showers likely, mainly before 4pm. Cloudy, with a high near 54. Northwest wind around 10 mph. Chance of precipitation is 70%.

    High: 54 °F

    Showers
    Likely

  • Tonight

    Tonight: Scattered showers, mainly before 8pm. Mostly cloudy, with a low around 43. West northwest wind 6 to 8 mph becoming east southeast in the evening. Chance of precipitation is 40%.

    Low: 43 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 67. Southeast wind 5 to 11 mph becoming north northeast in the afternoon.

    High: 67 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. Southwest wind 6 to 10 mph becoming east in the evening.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after noon. Mostly sunny, with a high near 72. South southeast wind 7 to 10 mph becoming west southwest in the afternoon.

    High: 72 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 41. West southwest wind 5 to 9 mph becoming northeast after midnight.

    Low: 41 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers. Mostly sunny, with a high near 68. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 68 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly before 4pm. Cloudy, with a high near 54. Northwest wind around 10 mph. Chance of precipitation is 70%.
Tonight
Scattered showers, mainly before 8pm. Mostly cloudy, with a low around 43. West northwest wind 6 to 8 mph becoming east southeast in the evening. Chance of precipitation is 40%.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 67. Southeast wind 5 to 11 mph becoming north northeast in the afternoon.
Thursday Night
Mostly clear, with a low around 42. Southwest wind 6 to 10 mph becoming east in the evening.
Friday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 72. South southeast wind 7 to 10 mph becoming west southwest in the afternoon.
Friday Night
A 30 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 41. West southwest wind 5 to 9 mph becoming northeast after midnight.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 68. Light and variable wind becoming west northwest 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 70.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 41.
Monday
A slight chance of showers. Partly sunny, with a high near 66.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Sunny, with a high near 72.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Gardiner MT
 45.03°N 110.7°W (Elev. 5400 ft)
Last Update:
12:18 pm MDT Sep 18, 2024
Forecast Valid:
1pm MDT Sep 18, 2024-6pm MDT Sep 24, 2024
 
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