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

Sinlaku Continues to Impact the Marianas; Severe Weather from the Central US to the Northeast; Late-Season Snow in the Northwest

Sinlaku continues to bring destructive winds, widespread heavy rain/flooding, and storm surge to the Marianas. Showers and severe thunderstorms are expected from the Northeast to the Mid-Mississippi Valley and to the Central/Southern Plains through Thursday. A front will produce late-season snowfall over the Cascades and Northern Rockies and coastal rain over the Northwest Coast through Thursday. Read More >

Current conditions at

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

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

Clear

63°F

17°C

Humidity 16%
Wind Speed WNW 6 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 15 Apr 02:35 PM MST
Extended Forecast for

13 Miles W St. Johns AZ

  • This Afternoon

    This Afternoon: Sunny, with a high near 66. Northwest wind around 10 mph, with gusts as high as 16 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 36. Northwest wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.

    Low: 36 °F

    Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 70. Breezy, with a southwest wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 70 °F

    Sunny then
    Partly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. Breezy, with a southwest wind 18 to 23 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 37 mph.

    Low: 44 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Friday

    Friday: Sunny, with a high near 65. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 39 mph.

    High: 65 °F

    Sunny and
    Breezy

  • Friday Night

    Friday Night: Clear, with a low around 31. West wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.

    Low: 31 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 67. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 16 mph.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 40. North wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.

    Low: 40 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Southeast wind 8 to 14 mph, with gusts as high as 21 mph.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 66. Northwest wind around 10 mph, with gusts as high as 16 mph.
Tonight
Clear, with a low around 36. Northwest wind 6 to 10 mph becoming south after midnight. Winds could gust as high as 15 mph.
Thursday
Increasing clouds, with a high near 70. Breezy, with a southwest wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 38 mph.
Thursday Night
Mostly cloudy, with a low around 44. Breezy, with a southwest wind 18 to 23 mph decreasing to 10 to 15 mph in the evening. Winds could gust as high as 37 mph.
Friday
Sunny, with a high near 65. Breezy, with a southwest wind 14 to 24 mph, with gusts as high as 39 mph.
Friday Night
Clear, with a low around 31. West wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 26 mph.
Saturday
Sunny, with a high near 67. Light and variable wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 16 mph.
Saturday Night
Mostly clear, with a low around 40. North wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Sunday
Mostly sunny, with a high near 73. Southeast wind 8 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 43. South wind 8 to 14 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 74. South wind 6 to 15 mph becoming west in the afternoon. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 44. Southwest wind 7 to 15 mph, with gusts as high as 22 mph.
Tuesday
Sunny, with a high near 76. South wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles W St. Johns AZ
 34.49°N 109.62°W (Elev. 5971 ft)
Last Update:
12:43 pm MDT Apr 15, 2026
Forecast Valid:
4pm MDT Apr 15, 2026-6pm MDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

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Chance of Precipitation