National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Current conditions at

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

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

Clear

64°F

18°C

Humidity 34%
Wind Speed WSW 6 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 29 Jun 01:20 AM MST
Extended Forecast for

10 Miles ENE Vernon AZ

Fire Weather Watch June 30, 11:00am until June 30, 08:00pm
Red Flag Warning June 29, 11:00am until June 29, 08:00pm
Click here for hazard details and duration
Fire Weather Watch
Red Flag Warning

  • Overnight

    Overnight: Clear, with a low around 55. Southwest wind around 10 mph, with gusts as high as 16 mph.

    Low: 55 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. Breezy, with a southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Clear, with a low around 53. Breezy, with a southwest wind 17 to 22 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 34 mph.

    Low: 53 °F

    Clear and
    Breezy then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82. Breezy, with a southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Clear, with a low around 50. Breezy, with a southwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.

    Low: 50 °F

    Clear and
    Breezy then
    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Breezy, with a southwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 82 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. Southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85. Southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. Southwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 55. Southwest wind around 10 mph, with gusts as high as 16 mph.
Monday
Sunny, with a high near 82. Breezy, with a southwest wind 10 to 15 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 39 mph.
Monday Night
Clear, with a low around 53. Breezy, with a southwest wind 17 to 22 mph decreasing to 9 to 14 mph in the evening. Winds could gust as high as 34 mph.
Tuesday
Sunny, with a high near 82. Breezy, with a southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 38 mph.
Tuesday Night
Clear, with a low around 50. Breezy, with a southwest wind 17 to 22 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 34 mph.
Wednesday
Sunny, with a high near 82. Breezy, with a southwest wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 32 mph.
Wednesday Night
Clear, with a low around 50. Southwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 85. Southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly clear, with a low around 53. Southwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph.
Friday
Mostly sunny, with a high near 87. Southwest wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly cloudy, with a low around 59. Southwest wind 15 to 20 mph becoming light south after midnight. Winds could gust as high as 26 mph.
Independence Day
Mostly sunny, with a high near 86. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Saturday Night
Partly cloudy, with a low around 60. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 18 mph.
Sunday
Mostly sunny, with a high near 87. Light and variable wind becoming west 6 to 11 mph in the morning. Winds could gust as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles ENE Vernon AZ
 34.31°N 109.54°W (Elev. 7008 ft)
Last Update:
12:32 am MDT Jun 29, 2026
Forecast Valid:
2am MDT Jun 29, 2026-6pm MDT Jul 5, 2026
 
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