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

Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

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

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

Clear

32°F

0°C

Humidity 63%
Wind Speed S 5 MPH
Barometer 30.31 in (1026.41 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 13 Jan 11:35 PM MST
Extended Forecast for

St. Johns AZ

  • Tonight

    Tonight: Mostly clear, with a low around 20. Southwest wind around 5 mph becoming calm after midnight.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 54. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 54 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 19. South wind around 6 mph becoming calm in the evening.

    Low: 19 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 54. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 20. Light and variable wind.

    Low: 20 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 54. Calm wind becoming north around 5 mph in the afternoon.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 19. Light and variable wind.

    Low: 19 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 55. Light and variable wind.

    High: 55 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 18. Calm wind.

    Low: 18 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 20. Southwest wind around 5 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 54. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 19. South wind around 6 mph becoming calm in the evening.
Thursday
Sunny, with a high near 54. Calm wind becoming northwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 20. Light and variable wind.
Friday
Sunny, with a high near 54. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
Clear, with a low around 19. Light and variable wind.
Saturday
Sunny, with a high near 55. Light and variable wind.
Saturday Night
Clear, with a low around 18. Calm wind.
Sunday
Sunny, with a high near 57. Calm wind becoming northwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 18. Light and variable wind.
M.L.King Day
Sunny, with a high near 56. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 19. Light and variable wind.
Tuesday
Sunny, with a high near 58. Calm wind becoming northwest around 6 mph in the afternoon.
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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:
9:54 pm MST Jan 13, 2026
Forecast Valid:
11pm MST Jan 13, 2026-6pm MST Jan 20, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation