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

Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Current conditions at

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

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

Clear

28°F

-2°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 03 Jan 05:35 AM MST
Extended Forecast for

St. Johns AZ

  • Today

    Today: Increasing clouds, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.

    High: 62 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Southeast wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 60. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 60 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. West wind 5 to 9 mph becoming calm after midnight.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 56. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 24 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.

    Low: 26 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. West wind 5 to 7 mph becoming calm after midnight.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of rain and snow showers between 11am and noon, then a slight chance of rain showers after noon. Partly sunny, with a high near 50. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

    High: 50 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 62. Calm wind becoming northwest around 6 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 32. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 60. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Sunday Night
Partly cloudy, with a low around 28. West wind 5 to 9 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 56. Light and variable wind becoming west 9 to 14 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Mostly cloudy, with a low around 26. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 15 mph.
Tuesday
Partly sunny, with a high near 54. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.
Tuesday Night
Mostly cloudy, with a low around 28. West wind 5 to 7 mph becoming calm after midnight.
Wednesday
A slight chance of rain and snow showers between 11am and noon, then a slight chance of rain showers after noon. Partly sunny, with a high near 50. Light and variable wind becoming west 8 to 13 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain showers before 9pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 25. Southwest wind 7 to 11 mph, with gusts as high as 17 mph. Chance of precipitation is 30%.
Thursday
A chance of rain and snow showers. Partly sunny, with a high near 44. Southwest wind 7 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Thursday Night
A 30 percent chance of snow showers. Partly cloudy, with a low around 16. West wind 7 to 14 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 37. Northwest wind 6 to 10 mph, with gusts as high as 18 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:
3:11 am MST Jan 3, 2026
Forecast Valid:
5am MST Jan 3, 2026-6pm MST Jan 9, 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