Snowmelt Combined With Recent Heavy Rain To Produce Flooding Threat Over Northern New England

Recent heavy rainfall combined with snowmelt will cause a continued threat for flooding of rivers, streams, and low lying areas in northern New England, especially Maine into Monday. Elsewhere across the country, much above normal temperatures expected over central portions of the U.S. The threat for severe thunderstorms return to the High Plains each afternoon and evening through mid week. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

Lat: 44.97722°NLon: 110.69528°WElev: 6127ft.

NA

37°F

3°C

Humidity 99%
Wind Speed NNE 9 G 13 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Wind Chill30°F (-1°C)
Last update 21 Apr 7:15 am MDT
Extended Forecast for

17 Miles SE Big Sky MT

  • Today

    Today: Periods of rain and snow showers before 4pm, then scattered rain showers between 4pm and 5pm, then scattered snow showers after 5pm.  High near 38. Northeast wind 6 to 11 mph.  Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.

    Snow Showers
    then
    Rain/Snow

    High: 38 °F

  • Tonight

    Tonight: Scattered snow showers.  Cloudy, with a low around 27. North northeast wind 5 to 9 mph.  Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Scattered
    Snow Showers

    Low: 27 °F

  • Monday

    Monday: A 20 percent chance of snow showers before noon.  Partly sunny, with a high near 48. North northeast wind around 5 mph becoming light and variable.

    Slight Chance
    Snow Showers
    then Mostly
    Sunny

    High: 48 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 27. Light and variable wind becoming southwest around 6 mph after midnight.

    Mostly Clear

    Low: 27 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 55. West wind 5 to 7 mph.

    Partly Sunny

    High: 55 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers, mainly after midnight.  Mostly cloudy, with a low around 34. Southwest wind 5 to 7 mph.

    Chance
    Showers

    Low: 34 °F

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 51. Southwest wind 6 to 10 mph.  Chance of precipitation is 40%.

    Chance
    Showers

    High: 51 °F

  • Wednesday
    Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Snow level 9000 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 29.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 29 °F

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after noon.  Snow level rising to 9300 feet in the afternoon. Mostly sunny, with a high near 53.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 53 °F

Detailed Forecast

Today
Periods of rain and snow showers before 4pm, then scattered rain showers between 4pm and 5pm, then scattered snow showers after 5pm. High near 38. Northeast wind 6 to 11 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Scattered snow showers. Cloudy, with a low around 27. North northeast wind 5 to 9 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday
A 20 percent chance of snow showers before noon. Partly sunny, with a high near 48. North northeast wind around 5 mph becoming light and variable.
Monday Night
Mostly clear, with a low around 27. Light and variable wind becoming southwest around 6 mph after midnight.
Tuesday
Partly sunny, with a high near 55. West wind 5 to 7 mph.
Tuesday Night
A 30 percent chance of showers, mainly after midnight. Mostly cloudy, with a low around 34. Southwest wind 5 to 7 mph.
Wednesday
A chance of showers, with thunderstorms also possible after noon. Mostly cloudy, with a high near 51. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Snow level 9000 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 29.
Thursday
A 20 percent chance of showers and thunderstorms after noon. Snow level rising to 9300 feet in the afternoon. Mostly sunny, with a high near 53.
Thursday Night
A slight chance of rain showers before 4am, then a slight chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 32. Chance of precipitation is 20%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 53.
Friday Night
A chance of rain and snow showers. Some thunder is also possible. Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow showers. Snow level 8600 feet. Partly sunny, with a high near 49.
Click Map For Forecast
Point Forecast:
17 Miles SE Big Sky MT
 45.08°N 111.1°W (Elev. 7615 ft)
7:44 am MDT Apr 21, 2019
8am MDT Apr 21, 2019-6pm MDT Apr 27, 2019
 
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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