National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Los Alamos Airport (KLAM)

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

Mostly Cloudy

63°F

17°C

Humidity 68%
Wind Speed SW 10 mph
Barometer 30.45 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 20 Aug 12:55 am MDT
Extended Forecast for

2 Miles W Los Alamos NM

  • Overnight

    Overnight: A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke after 4pm. Mostly sunny, with a high near 84. Northwest wind around 5 mph becoming east in the afternoon.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before midnight. Patchy smoke between midnight and 3am. Mostly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Chance
    T-storms then
    Patchy Smoke

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon. Patchy smoke after 7am. Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.

    High: 85 °F

    Patchy Smoke
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.

    High: 84 °F

    Sunny then
    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of showers before 3am. Mostly cloudy, with a low around 60. West wind around 5 mph.
Thursday
A 20 percent chance of showers and thunderstorms after 3pm. Areas of smoke after 4pm. Mostly sunny, with a high near 84. Northwest wind around 5 mph becoming east in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Patchy smoke between midnight and 3am. Mostly cloudy, with a low around 59. North wind around 5 mph becoming calm in the evening.
Friday
A 30 percent chance of showers and thunderstorms after noon. Patchy smoke after 7am. Mostly sunny, with a high near 85. Calm wind becoming south around 5 mph in the afternoon.
Friday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.
Saturday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Saturday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61.
Sunday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 84.
Sunday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 60.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 86.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Los Alamos NM
 35.9°N 106.33°W (Elev. 7503 ft)
Last Update:
12:32 am MDT Aug 20, 2026
Forecast Valid:
1am MDT Aug 20, 2026-6pm MDT Aug 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation