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

Hazardous Weather Conditions

Current conditions at

EW0578 St. David (E0578)

Lat: 31.85967°NLon: 110.07717°WElev: 4589.27ft.

NA

76°F

24°C

Humidity 50%
Wind Speed E 4 MPH
Barometer 29.67 in (1004.74 mb)
Dewpoint 56°F (13°C)
Visibility NA
Heat Index78°F (26°C)
Last update 02 Aug 02:55 AM MST
Extended Forecast for

8 Miles SSW Saint David AZ

Extreme Heat Warning August 2, 03:04am until August 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 2, 03:04am until August 3, 08:00pm

    NOW until 8:00pm Mon

    Extreme Heat Warning

  • Overnight

    Low: 70 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 100. Light and variable wind becoming east northeast 5 to 9 mph in the afternoon.

    High: 100 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly before 8pm. Patchy blowing dust before 8pm. Mostly cloudy, with a low around 70. South wind 3 to 8 mph.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 5pm. Patchy blowing dust between 4pm and 5pm. Increasing clouds, with a high near 99. Light and variable wind becoming west 9 to 14 mph in the afternoon. Chance of precipitation is 60%.

    High: 99 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then a slight chance of showers and thunderstorms after 11pm. Patchy blowing dust before 7pm. Mostly cloudy, with a low around 68. West wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 70%.

    Low: 68 °F

    T-storms
    Likely then
    Slight Chance
    T-storms

  • Tuesday

    Tuesday: Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 96. Chance of precipitation is 60%.

    High: 96 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    T-storms
    Likely then
    Mostly Cloudy

  • Wednesday

    Wednesday: A 10 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 96.

    High: 96 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind 7 to 9 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 100. Light and variable wind becoming east northeast 5 to 9 mph in the afternoon.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly before 8pm. Patchy blowing dust before 8pm. Mostly cloudy, with a low around 70. South wind 3 to 8 mph.
Monday
Showers and thunderstorms likely, mainly after 5pm. Patchy blowing dust between 4pm and 5pm. Increasing clouds, with a high near 99. Light and variable wind becoming west 9 to 14 mph in the afternoon. Chance of precipitation is 60%.
Monday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm, then a slight chance of showers and thunderstorms after 11pm. Patchy blowing dust before 7pm. Mostly cloudy, with a low around 68. West wind 5 to 9 mph becoming calm after midnight. Chance of precipitation is 70%.
Tuesday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 96. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 11pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Wednesday
A 10 percent chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 96.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 11pm. Mostly cloudy, with a low around 67.
Thursday
A 20 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 96.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 97.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSW Saint David AZ
 31.77°N 110.24°W (Elev. 3983 ft)
Last Update:
2:48 am MST Aug 2, 2026
Forecast Valid:
3am MST Aug 2, 2026-6pm MST Aug 8, 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