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

Extremely Critical Fire Weather in the Central Plains; Active Pattern in the West

Gusty to high winds and low relative humidity will bring critical to extremely critical fire weather conditions to the central and southern Plains today into Wednesday. Use caution with any potential ignition sources. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

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

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

Partly Cloudy

48°F

9°C

Humidity 39%
Wind Speed WSW 19 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 17 Feb 03:35 PM MST
Extended Forecast for

St. Johns AZ

Wind Advisory February 17, 03:58pm until February 17, 05:00pm
High Wind Warning February 18, 05:00am until February 18, 07:00pm
Click here for hazard details and duration
Wind Advisory
High Wind Warning
  •  
    Wind Advisory February 17, 03:58pm until February 17, 05:00pm

    NOW until 5:00pm Tue

    Wind Advisory

  • This Afternoon

    High: 50 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 30. South wind 11 to 18 mph, with gusts as high as 29 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of snow showers after 11am, mixing with rain after 1pm. Mostly sunny, with a high near 47. Windy, with a southwest wind 17 to 27 mph increasing to 27 to 37 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 47 °F

    Windy. Chance
    Snow Showers
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 24. Breezy, with a west wind 21 to 26 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph. Little or no snow accumulation expected.

    Low: 24 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday

    Thursday: A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 45. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 45 °F

    Slight Chance
    Snow Showers
    then Mostly
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 27. Southwest wind 11 to 16 mph, with gusts as high as 23 mph.

    Low: 27 °F

    Slight Chance
    Snow Showers

  • Friday

    Friday: A 30 percent chance of snow showers, mainly before 11am. Mostly sunny, with a high near 43. Breezy, with a west wind 18 to 25 mph, with gusts as high as 41 mph. Little or no snow accumulation expected.

    High: 43 °F

    Chance Snow
    Showers and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 15. West wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.

    Low: 15 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 50. Breezy, with a southwest wind 26 to 28 mph, with gusts as high as 45 mph.
Tonight
Mostly clear, with a low around 30. South wind 11 to 18 mph, with gusts as high as 29 mph.
Wednesday
A chance of snow showers after 11am, mixing with rain after 1pm. Mostly sunny, with a high near 47. Windy, with a southwest wind 17 to 27 mph increasing to 27 to 37 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 24. Breezy, with a west wind 21 to 26 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 40 mph. Little or no snow accumulation expected.
Thursday
A 20 percent chance of snow showers before 11am. Mostly sunny, with a high near 45. Breezy, with a west wind 8 to 13 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.
Thursday Night
A 20 percent chance of snow showers after 11pm. Partly cloudy, with a low around 27. Southwest wind 11 to 16 mph, with gusts as high as 23 mph.
Friday
A 30 percent chance of snow showers, mainly before 11am. Mostly sunny, with a high near 43. Breezy, with a west wind 18 to 25 mph, with gusts as high as 41 mph. Little or no snow accumulation expected.
Friday Night
Mostly clear, with a low around 15. West wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 32 mph.
Saturday
Sunny, with a high near 50. Calm wind becoming northeast 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 21. East wind 5 to 7 mph becoming light and variable after midnight.
Sunday
Mostly sunny, with a high near 59. Light and variable wind becoming west 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 27. Southwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Mostly sunny, with a high near 66. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
Last Update:
2:12 pm MST Feb 17, 2026
Forecast Valid:
3pm MST Feb 17, 2026-6pm MST Feb 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation