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

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Clayton Municipal Airpark (KCAO)

Lat: 36.45°NLon: 103.15°WElev: 4971ft.

Fair

70°F

21°C

Humidity 13%
Wind Speed W 8 mph
Barometer 30.09 in (1013.0 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Last update 21 Mar 8:55 am MDT
Extended Forecast for

Grenville NM

Fire Weather Watch March 22, 12:00pm until March 22, 08:00pm
Click here for hazard details and duration
Fire Weather Watch

  • Today

    Today: Sunny, with a high near 88. Southwest wind 10 to 15 mph.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 50. West wind around 15 mph.

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. West wind 15 to 20 mph becoming east in the afternoon.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 34. East wind 15 to 20 mph becoming east 5 to 10 mph after midnight.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 68. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 68 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 88. Southwest wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 50. West wind around 15 mph.
Sunday
Partly sunny, with a high near 71. West wind 15 to 20 mph becoming east in the afternoon.
Sunday Night
Mostly cloudy, with a low around 34. East wind 15 to 20 mph becoming east 5 to 10 mph after midnight.
Monday
Mostly sunny, with a high near 68. South wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grenville NM
 36.6°N 103.61°W (Elev. 5961 ft)
Last Update:
6:01 am MDT Mar 21, 2026
Forecast Valid:
9am MDT Mar 21, 2026-6pm MDT Mar 27, 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