Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Current conditions at

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

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

Clear

61°F

16°C

Humidity 59%
Wind Speed S 4 MPH
Barometer 30.36 in (1028.11 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 16 Aug 06:15 AM MST
Extended Forecast for

St. Johns AZ

  • Today

    Today: A 10 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 90. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 9pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind 6 to 10 mph, with gusts as high as 17 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 91 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 61. Northwest wind 5 to 11 mph becoming southeast in the evening. Winds could gust as high as 17 mph.

    Low: 61 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92. Light and variable wind becoming west 5 to 7 mph in the afternoon.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. West wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 16 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 94. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. West wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 17 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 95. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
A 10 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 90. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 61. South wind 6 to 10 mph, with gusts as high as 17 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. Northwest wind 5 to 11 mph becoming southeast in the evening. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 92. Light and variable wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 64. West wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 16 mph.
Wednesday
Sunny, with a high near 94. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.
Wednesday Night
Partly cloudy, with a low around 65. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. West wind 5 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
4:12 am MDT Aug 16, 2026
7am MDT Aug 16, 2026-6pm MDT Aug 22, 2026
 
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Additional Resources

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