Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

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

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

Clear

57°F

14°C

Humidity 18%
Wind Speed NW 8 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 28 Jan 02:54 PM MST
Extended Forecast for

St. Johns AZ

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 56. Northwest wind around 7 mph.

    High: 56 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 18. West wind around 6 mph becoming calm  after midnight.

    Low: 18 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 18. West wind around 6 mph becoming calm  in the evening.

    Low: 18 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 53. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 19. West wind around 6 mph becoming calm  in the evening.

    Low: 19 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 57. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 57 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 22. Light and variable wind.

    Low: 22 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 61. Calm wind becoming north around 5 mph in the afternoon.

    High: 61 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 56. Northwest wind around 7 mph.
Tonight
Partly cloudy, with a low around 18. West wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 52. Calm wind becoming northwest around 6 mph in the afternoon.
Thursday Night
Clear, with a low around 18. West wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 53. Calm wind becoming northwest around 6 mph in the afternoon.
Friday Night
Clear, with a low around 19. West wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 57. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Clear, with a low around 22. Light and variable wind.
Sunday
Sunny, with a high near 61. Calm wind becoming north around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 25. South wind around 5 mph becoming calm after midnight.
Monday
Partly sunny, with a high near 59. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Monday Night
Mostly cloudy, with a low around 27. Southwest wind 3 to 8 mph.
Tuesday
Mostly sunny, with a high near 55. Light and variable wind becoming northwest 5 to 10 mph in the morning. Winds could gust as high as 17 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
2:12 pm MST Jan 28, 2026
3pm MST Jan 28, 2026-6pm MST Feb 3, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database