Heavy Rainfall, Severe Weather and Flood Threats for the East; Fire Weather Risk for the West

A slow moving storm system will affect the eastern third of the country through Friday. Thunderstorms, some severe, accompanied by heavy rainfall may result in flooding. For the Pacific Northwest, approaching storm system may bring some severe weather threats and dry thunderstorms for portions of Nevada for the risk of wild fires. Across southern Alaska, fire weather concerns increase Friday. Read More >

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901ft.

N/A

73°F

23°C

Humidity 32%
Wind Speed ESE 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 26 May 12:00 PM MDT
Extended Forecast for

Potomac MT

  • This
    Afternoon

    This Afternoon: Mostly cloudy, with a high near 79. Light and variable wind.

    Mostly Cloudy

    High: 79 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce small hail and heavy rain.  Mostly cloudy, with a low around 51. Calm wind.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 51 °F

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 9am, then rain likely between 9am and noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce small hail, gusty winds, and heavy rain.  Mostly cloudy, with a high near 68. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph.  Chance of precipitation is 60%.

    Heavy Rain

    High: 68 °F

  • Friday
    Night

    Friday Night: A 50 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 42. West wind 5 to 8 mph becoming calm  in the evening.

    Chance Rain
    then Slight
    Chance Rain

    Low: 42 °F

  • Saturday

    Saturday: A 50 percent chance of rain.  Mostly cloudy, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.

    Chance Rain

    High: 60 °F

  • Saturday
    Night

    Saturday Night: A 40 percent chance of rain, mainly after midnight.  Mostly cloudy, with a low around 38. New precipitation amounts between a tenth and quarter of an inch possible.

    Chance Rain

    Low: 38 °F

  • Sunday

    Sunday: Rain.  High near 53. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Rain

    High: 53 °F

  • Sunday
    Night

    Sunday Night: Rain likely.  Mostly cloudy, with a low around 38.

    Rain Likely

    Low: 38 °F

  • Memorial
    Day

    Memorial Day: Rain.  Cloudy, with a high near 52.

    Rain

    High: 52 °F

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 79. Light and variable wind.
Tonight
A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce small hail and heavy rain. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm before 9am, then rain likely between 9am and noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce small hail, gusty winds, and heavy rain. Mostly cloudy, with a high near 68. Calm wind becoming west 5 to 9 mph in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 42. West wind 5 to 8 mph becoming calm in the evening.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 60. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 38. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain. High near 53. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain likely. Mostly cloudy, with a low around 38.
Memorial Day
Rain. Cloudy, with a high near 52.
Monday Night
A chance of rain. Mostly cloudy, with a low around 37.
Tuesday
A chance of rain. Mostly cloudy, with a high near 59.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 66.
Click Map For Forecast
Point Forecast:
Potomac MT
 46.89°N 113.59°W (Elev. 3589 ft)
3:40 am MDT May 26, 2022
12pm MDT May 26, 2022-6pm MDT Jun 1, 2022
 
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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