Severe Weather and Flooding Threat in the Central U.S. and Mid-Atlantic; Dangerous Heat in the West and Southern Plains

Severe thunderstorms and heavy rain are expected across the central High Plains into parts of the central and southern Plains and in the the Mid-Atlantic today. Intense, dangerous heat will persist across the West, Southwest, and Southern Plains into the end of the week. Elevated to critical fire weather conditions expected in the Great Basin and 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

90°F

32°C

Humidity 10%
Wind Speed NW 4 MPH
Barometer 30.3 in (1026.08 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 23 Jun 11:05 AM MST
Extended Forecast for

St. Johns AZ

Fire Weather Watch June 26, 12:00pm until June 28, 09:00pm
Click here for hazard details and duration
Fire Weather Watch
  • This Afternoon

    This Afternoon: A slight chance of showers, with thunderstorms also possible after 3pm.  Mostly sunny and hot, with a high near 96. Northwest wind 8 to 13 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 96 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 65. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 mph.

    Low: 65 °F

    Partly Cloudy

  • 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 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 62. West wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 92. Light and variable wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 32 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. West wind 8 to 18 mph becoming south after midnight. Winds could gust as high as 30 mph.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 92. Breezy, with a south wind 10 to 15 mph becoming southwest 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 92 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. Breezy, with a west wind 19 to 24 mph becoming south 8 to 13 mph after midnight. Winds could gust as high as 36 mph.

    Low: 60 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Breezy, with a southwest wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 44 mph.

    High: 91 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
A slight chance of showers, with thunderstorms also possible after 3pm. Mostly sunny and hot, with a high near 96. Northwest wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 65. Northwest wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 21 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 9 to 14 mph in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 62. West wind 6 to 14 mph becoming south after midnight. Winds could gust as high as 21 mph.
Thursday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Light and variable wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 32 mph.
Thursday Night
Mostly clear, with a low around 61. West wind 8 to 18 mph becoming south after midnight. Winds could gust as high as 30 mph.
Friday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 92. Breezy, with a south wind 10 to 15 mph becoming southwest 19 to 24 mph in the afternoon. Winds could gust as high as 37 mph.
Friday Night
Mostly clear, with a low around 60. Breezy, with a west wind 19 to 24 mph becoming south 8 to 13 mph after midnight. Winds could gust as high as 36 mph.
Saturday
Sunny, with a high near 91. Breezy, with a southwest wind 8 to 18 mph increasing to 19 to 29 mph in the afternoon. Winds could gust as high as 44 mph.
Saturday Night
Clear, with a low around 59. Breezy, with a southwest wind 16 to 26 mph decreasing to 6 to 16 mph after midnight. Winds could gust as high as 41 mph.
Sunday
Sunny, with a high near 90. Breezy, with a southwest wind 6 to 16 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 44 mph.
Sunday Night
Clear, with a low around 55. Breezy, with a southwest wind 19 to 24 mph becoming light south after midnight. Winds could gust as high as 39 mph.
Monday
Sunny, with a high near 90. Breezy, with a light south wind becoming southwest 17 to 22 mph in the morning. Winds could gust as high as 34 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
11:07 am MDT Jun 23, 2026
12pm MDT Jun 23, 2026-6pm MDT Jun 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

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