Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas 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 49%
Wind Speed SSE 3 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 28 Jul 10:35 PM MST
Extended Forecast for

12 Miles NNE Vernon AZ

  • Tonight

    Tonight: Partly cloudy, with a low around 64. East wind 7 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 90. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 65. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 3pm.  Increasing clouds, with a high near 91. Southwest wind 5 to 9 mph becoming north in the morning. Winds could gust as high as 18 mph.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 10 percent chance of showers and thunderstorms before 9pm.  Partly cloudy, with a low around 68. South wind 7 to 9 mph, with gusts as high as 18 mph.

    Low: 68 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 10 percent chance of showers and thunderstorms after noon.  Sunny and hot, with a high near 96. Southwest wind 5 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. West wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny and hot, with a high near 98. South wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 69. Northwest wind 10 to 20 mph becoming south in the evening. Winds could gust as high as 28 mph.

    Low: 69 °F

    Slight Chance
    T-storms then
    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. East wind 7 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Light and variable wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 23 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 65. Southwest wind 7 to 14 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 91. Southwest wind 5 to 9 mph becoming north in the morning. Winds could gust as high as 18 mph.
Thursday Night
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 68. South wind 7 to 9 mph, with gusts as high as 18 mph.
Friday
A 10 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 96. Southwest wind 5 to 9 mph becoming north in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 69. West wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph.
Saturday
Sunny and hot, with a high near 98. South wind 5 to 9 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 69. Northwest wind 10 to 20 mph becoming south in the evening. Winds could gust as high as 28 mph.
Sunday
Sunny and hot, with a high near 96. South wind 11 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.
Sunday Night
Partly cloudy, with a low around 68. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 30 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Southwest wind 10 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 26 mph.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West wind 7 to 17 mph becoming south in the evening. Winds could gust as high as 26 mph.
Tuesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. South wind 5 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Vernon AZ
 34.42°N 109.64°W (Elev. 6388 ft)
10:22 pm MDT Jul 28, 2026
11pm MDT Jul 28, 2026-6pm MDT Aug 4, 2026
 
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Additional Resources

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