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

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

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

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

Clear

66°F

19°C

Humidity 42%
Wind Speed SSW 14 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 12 Oct 09:15 AM MST
Extended Forecast for

St. Johns AZ

  • Columbus Day

    Columbus Day: Sunny, with a high near 71. Breezy, with a southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.

    High: 71 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 49. South wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.

    Low: 49 °F

    Mostly Clear

  • Tuesday

    Tuesday: A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 68. Breezy, with a south wind 6 to 11 mph becoming southwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.

    High: 68 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44. Breezy, with a west wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.

    Low: 44 °F

    Slight Chance
    T-storms and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 62. Light west wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 62 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Light east wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. Breezy, with an east wind 10 to 15 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 43 mph.

    Low: 43 °F

    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 65. Windy, with an east wind 28 to 34 mph, with gusts as high as 48 mph.

    High: 65 °F

    Sunny and
    Windy

Detailed Forecast

Columbus Day
Sunny, with a high near 71. Breezy, with a southwest wind 9 to 14 mph increasing to 19 to 24 mph in the afternoon. Winds could gust as high as 40 mph.
Tonight
Mostly clear, with a low around 49. South wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 34 mph.
Tuesday
A slight chance of showers before noon, then a slight chance of showers and thunderstorms after 3pm. Sunny, with a high near 68. Breezy, with a south wind 6 to 11 mph becoming southwest 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph. Chance of precipitation is 20%.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 44. Breezy, with a west wind 17 to 22 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 36 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 62. Light west wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 38. Northwest wind 6 to 11 mph becoming light and variable in the evening. Winds could gust as high as 18 mph.
Thursday
Sunny, with a high near 66. Light east wind becoming northeast 5 to 10 mph in the afternoon. Winds could gust as high as 16 mph.
Thursday Night
Clear, with a low around 43. Breezy, with an east wind 10 to 15 mph increasing to 24 to 29 mph after midnight. Winds could gust as high as 43 mph.
Friday
Sunny, with a high near 65. Windy, with an east wind 28 to 34 mph, with gusts as high as 48 mph.
Friday Night
Mostly clear, with a low around 40. Breezy, with an east wind 22 to 29 mph, with gusts as high as 46 mph.
Saturday
Sunny, with a high near 67. Breezy, with a southeast wind 18 to 23 mph decreasing to 11 to 16 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Partly cloudy, with a low around 41. Southeast wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 66. Calm wind becoming northwest 5 to 7 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:
10:13 am MDT Oct 12, 2026
Forecast Valid:
10am MDT Oct 12, 2026-6pm MDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation