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

Early Heat Wave in the West; Fire Concerns in the Plains

An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Elevated to critical fire weather conditions are expected today across the High Plains and southern Plains. Lake effect snow downwind of the Great Lakes will taper off today. 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 16%
Wind Speed W 10 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 17 Mar 03:20 PM MST
Extended Forecast for

3 Miles E St. Johns AZ

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Northwest wind around 15 mph, with gusts as high as 22 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. Northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Calm wind becoming northwest 5 to 8 mph in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Northwest wind 5 to 8 mph becoming light and variable after midnight.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41. Northwest wind 5 to 8 mph becoming southeast after midnight.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 89. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 89 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 43. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 43 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 91. Light and variable wind becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.

    High: 91 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Northwest wind around 15 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 36. Northwest wind 9 to 14 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 82. Calm wind becoming northwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 38. Northwest wind 5 to 8 mph becoming light and variable after midnight.
Thursday
Sunny, with a high near 90. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Thursday Night
Clear, with a low around 41. Northwest wind 5 to 8 mph becoming southeast after midnight.
Friday
Sunny, with a high near 89. Light and variable wind becoming northwest 5 to 10 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
Clear, with a low around 43. Northwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Saturday
Sunny, with a high near 91. Light and variable wind becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Mostly clear, with a low around 43. West wind 15 to 18 mph becoming south after midnight. Winds could gust as high as 30 mph.
Sunday
Mostly sunny, with a high near 86. Southwest wind 15 to 20 mph, with gusts as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 43. Southwest wind 16 to 20 mph becoming south after midnight. Winds could gust as high as 31 mph.
Monday
Mostly sunny, with a high near 82. South wind 16 to 20 mph becoming southwest in the afternoon. Winds could gust as high as 32 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E St. Johns AZ
 34.51°N 109.32°W (Elev. 5794 ft)
Last Update:
4:17 pm MDT Mar 17, 2026
Forecast Valid:
4pm MDT Mar 17, 2026-6pm MDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation