Dangerously Excessive Heat and Humidity Continues from the Midwest and Eastward

Oppressive heat and humidity will continue through Saturday from the Midwest to the East Coast. The Midwest will get a slight reprieve on Sunday as a cold front moves through the area, while excessive heat continues in the East. In addition, strong to severe storms will bring potential for damaging winds, hail, and heavy rain on Saturday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NP (YLAW4)

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

NA

49°F

9°C

Humidity 55%
Wind Speed WSW 3 G 4 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 20 Jul 3:15 am MDT
Extended Forecast for

17 Miles SE Big Sky MT

  • Overnight

    Overnight: Clear, with a low around 38. Light north northeast wind.

    Clear

    Low: 38 °F

  • Saturday

    Saturday: Sunny, with a high near 68. Calm wind becoming west 5 to 8 mph in the afternoon.

    Sunny

    High: 68 °F

  • Saturday
    Night

    Saturday Night: Clear, with a low around 43. Northwest wind 5 to 8 mph becoming east after midnight.

    Clear

    Low: 43 °F

  • Sunday

    Sunday: Sunny, with a high near 75. Northeast wind 5 to 8 mph.

    Sunny

    High: 75 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 48. North wind 5 to 8 mph becoming southeast after midnight.

    Mostly Clear

    Low: 48 °F

  • Monday

    Monday: Mostly sunny, with a high near 77. Southeast wind 5 to 9 mph becoming west in the afternoon.

    Mostly Sunny

    High: 77 °F

  • Monday
    Night

    Monday Night: Isolated showers and thunderstorms before midnight.  Partly cloudy, with a low around 53. West wind 5 to 9 mph becoming east southeast in the evening.  Chance of precipitation is 20%.

    Isolated
    T-storms then
    Partly Cloudy

    Low: 53 °F

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after noon. Some of the storms could produce gusty winds.  Mostly sunny, with a high near 79.

    Mostly Sunny
    then Slight
    Chance
    T-storms

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Some of the storms could produce gusty winds.  Mostly cloudy, with a low around 53.

    Slight Chance
    T-storms then
    Mostly Cloudy

    Low: 53 °F

Detailed Forecast

Overnight
Clear, with a low around 38. Light north northeast wind.
Saturday
Sunny, with a high near 68. Calm wind becoming west 5 to 8 mph in the afternoon.
Saturday Night
Clear, with a low around 43. Northwest wind 5 to 8 mph becoming east after midnight.
Sunday
Sunny, with a high near 75. Northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 48. North wind 5 to 8 mph becoming southeast after midnight.
Monday
Mostly sunny, with a high near 77. Southeast wind 5 to 9 mph becoming west in the afternoon.
Monday Night
Isolated showers and thunderstorms before midnight. Partly cloudy, with a low around 53. West wind 5 to 9 mph becoming east southeast in the evening. Chance of precipitation is 20%.
Tuesday
A 20 percent chance of showers and thunderstorms after noon. Some of the storms could produce gusty winds. Mostly sunny, with a high near 79.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Some of the storms could produce gusty winds. Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Some of the storms could produce gusty winds. Mostly sunny, with a high near 77.
Wednesday Night
A chance of showers and thunderstorms. Some of the storms could produce gusty winds. Partly cloudy, with a low around 50.
Thursday
A slight chance of showers and thunderstorms. Some of the storms could produce gusty winds. Sunny, with a high near 75.
Thursday Night
Mostly clear, with a low around 49.
Friday
Sunny, with a high near 75.
Click Map For Forecast
Point Forecast:
17 Miles SE Big Sky MT
 45.08°N 111.1°W (Elev. 7615 ft)
2:27 am MDT Jul 20, 2019
3am MDT Jul 20, 2019-6pm MDT Jul 26, 2019
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database