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

Heavy Rainfall and Flooding in the Southwest and Along the East Coast

A multi-day heavy rainfall event is set to begin across New Mexico into west Texas Tuesday through Wednesday. Flash flooding and debris flows in the vicinity of burn scars will also be possible. A strong coastal low will develop offshore of the Mid-Atlantic coast midweek, bringing heavy rainfall, strong winds and coastal flooding to much of the East Coast through Friday. Read More >

Hazardous Weather Conditions

Current conditions at

Gallup Municipal Airport (KGUP)

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

Fair

53°F

12°C

Humidity 64%
Wind Speed Calm
Barometer 30.22 in (1009.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 22 Sep 12:53 am MDT
Extended Forecast for

Mentmore NM

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

  • Overnight

    Overnight: Partly cloudy, with a low around 47. Calm wind becoming east around 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. East wind 5 to 10 mph becoming southwest 10 to 15 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely after midnight. Cloudy, with a low around 48. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after noon. Cloudy, with a high near 63. Light east wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. East wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 40%.

    Low: 44 °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. 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 44. Chance of precipitation is 30%.

    Low: 44 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 47. Calm wind becoming east around 5 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 74. East wind 5 to 10 mph becoming southwest 10 to 15 mph in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms, then showers likely after midnight. Cloudy, with a low around 48. Southeast wind 5 to 10 mph. 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 63. Light east wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. East wind 5 to 10 mph becoming light and variable after midnight. 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. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 72.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 46.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 74.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 46.
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:
Mentmore NM
 35.5°N 108.84°W (Elev. 6496 ft)
Last Update:
12:31 am MDT Sep 22, 2026
Forecast Valid:
1am 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