Flooding Threat Along the Gulf Coast, Southern Rockies and High Plains; Cooler Weather in the Central and Eastern U.S.

Strong thunderstorms may bring excessive rainfall and flooding over parts of the northern Gulf Coast today and over parts of the southern Rockies into the High Plains today through the weekend. A refreshingly cool and dry air mass will continue to produce below average temperatures across the central and eastern U.S. through the weekend. Read More >

Current conditions at

Los Alamos Airport (KLAM)

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

Mostly Cloudy

59°F

15°C

Humidity 63%
Wind Speed SW 3 mph
Barometer 30.41 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 31 Aug 7:15 am MDT
Extended Forecast for

Los Alamos NM

  • Today

    Today: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Labor Day

    Labor Day: Showers likely and possibly a thunderstorm after noon.  Sunny through mid morning, then becoming mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Sunny then
    Showers
    Likely

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. Southeast wind around 5 mph becoming northwest after midnight.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.

    High: 78 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 80.

    High: 80 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 76. Calm wind becoming south around 5 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 54. Southwest wind around 5 mph.
Labor Day
Showers likely and possibly a thunderstorm after noon. Sunny through mid morning, then becoming mostly cloudy, with a high near 77. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Mostly clear, with a low around 55. Southeast wind around 5 mph becoming northwest after midnight.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. Calm wind becoming south around 5 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 79.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 55.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 56.
Friday
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Los Alamos NM
 35.9°N 106.28°W (Elev. 6998 ft)
6:01 am MDT Aug 31, 2025
7am MDT Aug 31, 2025-6pm MDT Sep 6, 2025
 
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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