Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday

A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.6241°NLon: 118.8423°WElev: 7112.0ft.

Clear

50°F

10°C

Humidity 46%
Wind Speed W 5 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 20 May 09:35 PM PDT
Extended Forecast for

6 Miles ESE Mammoth Lakes CA

  • Tonight

    Tonight: Mostly clear, with a low around 37. West wind around 5 mph becoming calm  in the evening.

    Low: 37 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 73. Light and variable wind becoming west 10 to 15 mph in the afternoon.

    High: 73 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. West wind 10 to 15 mph becoming light  in the evening.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 11am.  Snow level 9600 feet rising to 11100 feet in the afternoon. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 73 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 40. West wind 10 to 15 mph becoming light southwest  in the evening.

    Low: 40 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 37. West wind around 5 mph becoming calm in the evening.
Thursday
Increasing clouds, with a high near 73. Light and variable wind becoming west 10 to 15 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 41. West wind 10 to 15 mph becoming light in the evening.
Friday
A 20 percent chance of showers after 11am. Snow level 9600 feet rising to 11100 feet in the afternoon. Mostly sunny, with a high near 73. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 40. West wind 10 to 15 mph becoming light southwest in the evening.
Saturday
Sunny, with a high near 75. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 75.
Sunday Night
Partly cloudy, with a low around 41.
Memorial Day
A slight chance of showers after 11am. Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 66. Breezy.
Tuesday Night
Mostly clear, with a low around 33. Breezy.
Wednesday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles ESE Mammoth Lakes CA
 37.63°N 118.85°W (Elev. 7152 ft)
4:30 pm PDT May 20, 2026
9pm PDT May 20, 2026-6pm PDT May 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database