Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

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

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

Clear

68°F

20°C

Humidity 5%
Wind Speed N 10 MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint -3°F (-19°C)
Visibility 10.00 mi
Last update 18 Apr 05:54 PM MST
Extended Forecast for

St. Johns AZ

  • Tonight

    Tonight: Mostly clear, with a low around 30. North wind around 7 mph becoming south in the evening.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 77. East wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.

    High: 77 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 40. Southeast wind 5 to 10 mph, with gusts as high as 16 mph.

    Low: 40 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 75 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 43. South wind 5 to 9 mph.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 80. Light and variable wind becoming southwest 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 80 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Southwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 25 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. Breezy, with a southwest wind 7 to 17 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 74 °F

    Sunny then
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 38. Breezy, with a southwest wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 34 mph.

    Low: 38 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 30. North wind around 7 mph becoming south in the evening.
Sunday
Increasing clouds, with a high near 77. East wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.
Sunday Night
Mostly cloudy, with a low around 40. Southeast wind 5 to 10 mph, with gusts as high as 16 mph.
Monday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Mostly clear, with a low around 43. South wind 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 11 to 16 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 43. Southwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 74. Breezy, with a southwest wind 7 to 17 mph increasing to 18 to 28 mph in the afternoon. Winds could gust as high as 38 mph.
Wednesday Night
Partly cloudy, with a low around 38. Breezy, with a southwest wind 19 to 24 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 34 mph.
Thursday
Sunny, with a high near 69. Breezy, with a west wind 7 to 12 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 37 mph.
Thursday Night
Mostly clear, with a low around 37. Breezy, with a southwest wind 18 to 23 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.
Friday
Sunny, with a high near 70. West wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Mostly clear, with a low around 38. West wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 26 mph.
Saturday
Sunny, with a high near 71. Southwest wind 5 to 10 mph becoming west 12 to 17 mph in the afternoon. Winds could gust as high as 25 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
4:19 pm MDT Apr 18, 2026
7pm MDT Apr 18, 2026-6pm MDT Apr 25, 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