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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Hazardous Weather Conditions

Current conditions at

Gallup Municipal Airport (KGUP)

Lat: 35.51°NLon: 108.79°WElev: 6460ft.

Fair

74°F

23°C

Humidity 36%
Wind Speed S 15 G 24 mph
Barometer 30.24 in (1010.3 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 22 Sep 10:53 am MDT
Extended Forecast for

Gallup NM

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

  • Today

    Today: A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 74. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Showers
    Likely

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after midnight. Cloudy, with a low around 50. South wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 62. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. East wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 70. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.

    High: 70 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.

    Low: 47 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Chance of precipitation is 30%.

    High: 71 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 74. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, then showers likely after midnight. Cloudy, with a low around 50. South wind 5 to 10 mph becoming east after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 62. Light and variable wind becoming northeast 5 to 10 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. East wind 5 to 10 mph becoming light and variable in the evening. Chance of precipitation is 40%.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 70. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 71. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 73.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Gallup NM
 35.53°N 108.76°W (Elev. 6565 ft)
Last Update:
6:01 am MDT Sep 22, 2026
Forecast Valid:
11am MDT Sep 22, 2026-6pm MDT Sep 28, 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