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

37°F

3°C

Humidity 51%
Wind Speed NNW 4 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 21 May 03:55 AM PDT
Extended Forecast for

5 Miles ESE Mammoth Lakes CA

  • Today

    Today: A slight chance of rain and snow showers between 2pm and 3pm, then a slight chance of rain showers after 3pm.  Sunny, with a high near 55. South wind 5 to 15 mph becoming north in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    High: 55 °F

    Sunny then
    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 55. West wind 5 to 15 mph becoming north in the morning. Winds could gust as high as 25 mph.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 40. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 40 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 57. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Sunny, with a high near 55.

    High: 55 °F

    Sunny

Detailed Forecast

Today
A slight chance of rain and snow showers between 2pm and 3pm, then a slight chance of rain showers after 3pm. Sunny, with a high near 55. South wind 5 to 15 mph becoming north in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 41. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Friday
Mostly sunny, with a high near 55. West wind 5 to 15 mph becoming north in the morning. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 40. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 57. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 41. Breezy, with a southwest wind 15 to 20 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 35 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 40.
Memorial Day
Sunny, with a high near 55.
Monday Night
Mostly clear, with a low around 37. Windy.
Tuesday
Sunny, with a high near 45. Very windy.
Tuesday Night
A slight chance of snow showers. Partly cloudy, with a low around 28. Very windy.
Wednesday
Sunny, with a high near 40. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Mammoth Lakes CA
 37.58°N 118.9°W (Elev. 10617 ft)
11:30 pm PDT May 20, 2026
4am PDT May 21, 2026-6pm PDT May 27, 2026
 
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Additional Resources

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