Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

Los Alamos Airport (KLAM)

Lat: 35.88°NLon: 106.27°WElev: 7171ft.

Fair

58°F

14°C

Humidity 31%
Wind Speed NW 3 mph
Barometer 30.29 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 21 Sep 6:35 am MDT
Extended Forecast for

5 Miles WNW Cochiti Lake NM

Flood Watch September 22, 12:00pm until September 23, 06:00pm
Click here for hazard details and duration
Flood Watch
  • Today

    Today: Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 3am.  Mostly cloudy, with a low around 59. Calm wind becoming east around 5 mph after midnight.

    Low: 59 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 75. East wind 5 to 10 mph becoming south in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 75 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 58. Northeast wind around 5 mph.  Chance of precipitation is 100%.

    Low: 58 °F

    Showers

  • Wednesday

    Wednesday: Showers, with thunderstorms also possible after noon.  High near 66. Northeast wind around 5 mph becoming calm  in the afternoon.  Chance of precipitation is 90%.

    High: 66 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, then showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 71. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 57. Chance of precipitation is 70%.

    Low: 57 °F

    Showers
    Likely

  • Friday

    Friday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 73. Chance of precipitation is 60%.

    High: 73 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
A 20 percent chance of showers after 3am. Mostly cloudy, with a low around 59. Calm wind becoming east around 5 mph after midnight.
Tuesday
A slight chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 75. East wind 5 to 10 mph becoming south in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm. Low around 58. Northeast wind around 5 mph. Chance of precipitation is 100%.
Wednesday
Showers, with thunderstorms also possible after noon. High near 66. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 90%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 71. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Chance of precipitation is 70%.
Friday
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 73. Chance of precipitation is 60%.
Friday Night
A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WNW Cochiti Lake NM
 35.67°N 106.42°W (Elev. 5797 ft)
6:02 am MDT Sep 21, 2026
6am MDT Sep 21, 2026-6pm MDT Sep 27, 2026
 
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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