Heavy Lake Effect Snow; Subfreezing Temperatures in the Eastern U.S.

A multi-day heavy lake effect snow event is expected downwind of Lakes Erie and Ontario through New Year's Day. The Arctic front will continue to bring increasing winds to the Northeast that will remain gusty. Subfreezing overnight low temperatures will be found as far south as the Gulf Coast. Read More >

Current conditions at

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

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

Clear

23°F

-5°C

Humidity 53%
Wind Speed N 0 MPH
Barometer 30.44 in (1030.82 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 30 Dec 01:35 AM MST
Extended Forecast for

St. Johns AZ

  • Overnight

    Overnight: Partly cloudy, with a low around 15. West wind around 5 mph becoming calm.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. West wind 6 to 11 mph, with gusts as high as 18 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19. Southwest wind 5 to 10 mph becoming light south  after midnight. Winds could gust as high as 16 mph.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Calm wind.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly after 11pm.  Cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Chance
    Showers

  • New Year's Day

    New Year's Day: A 40 percent chance of showers.  Partly sunny, with a high near 59. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 59 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers.  Mostly cloudy, with a low around 33. Southwest wind 7 to 11 mph, with gusts as high as 17 mph.  Chance of precipitation is 40%.

    Low: 33 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 25. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 15. West wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 53. West wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday Night
Partly cloudy, with a low around 19. Southwest wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 16 mph.
Wednesday
Mostly sunny, with a high near 58. Calm wind.
Wednesday Night
A 50 percent chance of showers, mainly after 11pm. Cloudy, with a low around 32. Calm wind.
New Year's Day
A 40 percent chance of showers. Partly sunny, with a high near 59. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers. Mostly cloudy, with a low around 33. Southwest wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 58. West wind 6 to 10 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 25. Southwest wind 5 to 7 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 59. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 24. Southwest wind around 6 mph becoming calm after midnight.
Sunday
Sunny, with a high near 59. Calm wind becoming west 5 to 8 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 23. Southwest wind 5 to 7 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 58. Calm wind becoming west 5 to 7 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
12:36 am MST Dec 30, 2025
2am MST Dec 30, 2025-6pm MST Jan 5, 2026
 
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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