Severe Weather and Heavy Rain from the Mid-South to the Mid-Atlantic; Building Heat in the West

Severe thunderstorms may bring damaging winds, a couple of tornadoes, and heavy rain across portions of the Mid-Atlantic into the Mid-South. Severe storms may produce hail across the northern/central High Plains. Hazardous heat will linger across the southern U.S. and build across the West through mid-week. Fire weather concerns continue for Interior Alaska and the Four Corners region. Read More >

Current conditions at

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

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

Clear

94°F

34°C

Humidity 5%
Wind Speed WSW 12 MPH
Barometer 30.12 in (1019.98 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 22 Jun 03:54 PM MST
Extended Forecast for

St. Johns AZ

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind 11 to 16 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 3pm.  Sunny and hot, with a high near 97. Light and variable wind becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 97 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 9pm.  Partly cloudy, with a low around 64. Northwest wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 24 mph.

    Low: 64 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny and hot, with a high near 96. Light and variable wind becoming west 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight.  Partly cloudy, with a low around 64. West wind 8 to 16 mph becoming south after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    Low: 64 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 94. Breezy, with a south wind 6 to 11 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

    High: 94 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. West wind 15 to 20 mph becoming southwest 7 to 12 mph after midnight. Winds could gust as high as 31 mph.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 94. Breezy, with a light southwest wind becoming west 20 to 25 mph in the morning. Winds could gust as high as 38 mph.

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. Breezy, with a south wind 19 to 24 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 37 mph.

    Low: 62 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 59. West wind 11 to 16 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Tuesday
A 10 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 97. Light and variable wind becoming northwest 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Tuesday Night
A 20 percent chance of showers before 9pm. Partly cloudy, with a low around 64. Northwest wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 24 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny and hot, with a high near 96. Light and variable wind becoming west 11 to 16 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Partly cloudy, with a low around 64. West wind 8 to 16 mph becoming south after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 94. Breezy, with a south wind 6 to 11 mph becoming west 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Thursday Night
Mostly clear, with a low around 62. West wind 15 to 20 mph becoming southwest 7 to 12 mph after midnight. Winds could gust as high as 31 mph.
Friday
Sunny, with a high near 94. Breezy, with a light southwest wind becoming west 20 to 25 mph in the morning. Winds could gust as high as 38 mph.
Friday Night
Mostly clear, with a low around 62. Breezy, with a south wind 19 to 24 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 37 mph.
Saturday
Sunny, with a high near 91. Windy, with a southwest wind 9 to 19 mph increasing to 21 to 31 mph. Winds could gust as high as 45 mph.
Saturday Night
Clear, with a low around 60. Breezy, with a southwest wind 18 to 28 mph decreasing to 6 to 16 mph after midnight. Winds could gust as high as 44 mph.
Sunday
Sunny, with a high near 90. Breezy, with a southwest wind 6 to 16 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 43 mph.
Sunday Night
Clear, with a low around 57. Breezy, with a southwest wind 19 to 24 mph becoming light south after midnight. Winds could gust as high as 38 mph.
Monday
Sunny, with a high near 89. Breezy, with a light south wind becoming west 18 to 23 mph in the morning. Winds could gust as high as 36 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
12:32 pm MDT Jun 22, 2026
5pm MDT Jun 22, 2026-6pm MDT Jun 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

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