Preview of NWS' New Version of Forecast
This preview is not operational and should not be used for support decisions.
 

Significant Flooding to Continue Across Portions of the South; Another Round of Heavy Snows Across the Desert Southwest through Tonight

Periods of heavy rainfall will continue to enhance river flooding and the risk for flash flooding from the Ohio and Mississippi Valleys to the Deep South through this weekend. Additionally, severe thunderstorms with damaging winds and a few tornadoes are possible across this region on Saturday. Heavy snows, even in lower elevations, return to the Desert Southwest through tonight. Read More...

Zone Data Notice

Current weather data was not available for the location you requested. The zone data will be displayed until your location has been refreshed.

Current conditions at

Mammoth Yosemite Airport (KMMH)

Lat: 37.62°N Lon: 118.84°W Elev: 7112ft.
Notice
Please be aware the location of this observation may be different than normal.

Cloudy

20°F

-6°C

Humidity 59%
Wind Speed NNE at 7 mph (11 kph)
Barometer 29.54 inHg (1000.3 hPa)
Dewpoint 8°F (-13°C)
Visibility 10 mi (16.09 km)
Wind Chill 12°F (-11°C)
Last update Feb 21 2019, 1:55 PM PST
Today
Mostly cloudy with scattered snow showers. Highs 22 to 32. North winds 10 to 15 mph. Gusts up to 30 mph in the afternoon. Ridge gusts up to 55 mph.
Tonight
Mostly cloudy with scattered snow showers. Lows 9 below to 1 above zero. North winds 10 to 15 mph. Gusts up to 30 mph in the evening. Ridge gusts up to 55 mph.
Friday
Partly cloudy in the morning then clearing. Highs 28 to 33. Northwest winds around 10 mph in the morning becoming light.
Friday Night
Clear. Lows 6 below to 4 above zero. Light winds becoming southwest around 10 mph after midnight.
Saturday
Partly cloudy. Highs 32 to 42. Southwest winds around 10 mph in the morning becoming light.
Saturday Night
Mostly cloudy in the evening, then partly cloudy with a slight chance of snow showers after midnight. Lows 9 to 19.
Sunday through Monday
Breezy. Mostly cloudy with a slight chance of snow. Highs 34 to 44. Lows 15 to 25.
Monday Night
Partly cloudy with a chance of snow. Lows 20 to 30.
Tuesday
Partly cloudy. Chance of rain and snow. Highs 38 to 48.
Tuesday Night
Mostly cloudy. Slight chance of rain and snow. Lows 22 to 32.
Wednesday
Partly cloudy. Chance of rain and snow. Highs 39 to 49.
Point Forecast:
12 Miles NE Chalfant CA
37.63°N 118.26°W ( ft)
4:43 AM PST Feb 21, 2019
 

Additional Resources

Radar & Satellite Image
Local Radar Data Satellite Data
Graphical Data
Graphical Data
Tabular Data
Tabular Data
National Digital Forecast Database