Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Current conditions at

St. Johns, St. Johns Industrial Airpark (KSJN)

Lat: 34.51833°NLon: 109.37917°WElev: 5732.0ft.

Clear

73°F

23°C

Humidity 23%
Wind Speed N 5 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 05 Jul 12:20 AM MST
Extended Forecast for

St. Johns AZ

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. Southwest wind around 6 mph.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of thunderstorms after noon.  Partly sunny, with a high near 92. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 10%.

    High: 92 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. West wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 18 mph.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: A slight chance of thunderstorms after noon.  Mostly sunny, with a high near 94. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    High: 94 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 65. South wind 7 to 13 mph, with gusts as high as 23 mph.

    Low: 65 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of thunderstorms after noon.  Mostly sunny, with a high near 93. South wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of thunderstorms before midnight.  Partly cloudy, with a low around 67. West wind 9 to 14 mph becoming light and variable  after midnight. Winds could gust as high as 24 mph.  Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68. Southwest wind 11 to 17 mph, with gusts as high as 26 mph.

    Low: 68 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. Southwest wind around 6 mph.
Sunday
A slight chance of thunderstorms after noon. Partly sunny, with a high near 92. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 10%.
Sunday Night
Partly cloudy, with a low around 65. West wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 18 mph.
Monday
A slight chance of thunderstorms after noon. Mostly sunny, with a high near 94. Light and variable wind becoming southwest 9 to 14 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 65. South wind 7 to 13 mph, with gusts as high as 23 mph.
Tuesday
A slight chance of thunderstorms after noon. Mostly sunny, with a high near 93. South wind 6 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of thunderstorms before midnight. Partly cloudy, with a low around 67. West wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 95. Light and variable wind becoming northwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
Mostly clear, with a low around 68. Southwest wind 11 to 17 mph, with gusts as high as 26 mph.
Thursday
Sunny and hot, with a high near 98. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Mostly clear, with a low around 67. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 32 mph.
Friday
Sunny and hot, with a high near 98. Southwest wind 10 to 15 mph becoming northwest in the morning. Winds could gust as high as 23 mph.
Friday Night
Mostly clear, with a low around 67. Southwest wind 16 to 21 mph becoming southwest 9 to 14 mph. Winds could gust as high as 31 mph.
Saturday
A 10 percent chance of showers and thunderstorms. Sunny and hot, with a high near 98. Southwest wind 5 to 8 mph becoming northeast in the afternoon. Winds could gust as high as 17 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
12:32 am MDT Jul 5, 2026
1am MDT Jul 5, 2026-6pm MDT Jul 11, 2026
 
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Additional Resources

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