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

34°F

1°C

Humidity 37%
Wind Speed N 0 MPH
Barometer 30.23 in (1023.71 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Last update 18 Apr 07:05 AM MST
Extended Forecast for

St. Johns AZ

  • Today

    Today: Sunny, with a high near 70. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 35. North wind 5 to 9 mph becoming south after midnight.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. East wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. South wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of thunderstorms after noon.  Mostly sunny, with a high near 76. Southeast wind 6 to 9 mph becoming northwest in the morning. Winds could gust as high as 15 mph.  Chance of precipitation is 20%.

    High: 76 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 44. South wind 5 to 9 mph, with gusts as high as 15 mph.

    Low: 44 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Southwest wind 6 to 16 mph, with gusts as high as 24 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. Breezy, with a southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.

    High: 74 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 70. Light and variable wind becoming northeast 5 to 9 mph in the morning. Winds could gust as high as 15 mph.
Tonight
Mostly clear, with a low around 35. North wind 5 to 9 mph becoming south after midnight.
Sunday
Mostly sunny, with a high near 76. East wind 7 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly cloudy, with a low around 43. South wind 6 to 11 mph, with gusts as high as 20 mph.
Monday
A slight chance of thunderstorms after noon. Mostly sunny, with a high near 76. Southeast wind 6 to 9 mph becoming northwest in the morning. Winds could gust as high as 15 mph. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 44. South wind 5 to 9 mph, with gusts as high as 15 mph.
Tuesday
Sunny, with a high near 80. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Partly cloudy, with a low around 43. Southwest wind 6 to 16 mph, with gusts as high as 24 mph.
Wednesday
Sunny, with a high near 74. Breezy, with a southwest wind 6 to 11 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.
Wednesday Night
Partly cloudy, with a low around 39. Breezy, with a southwest wind 17 to 22 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 32 mph.
Thursday
Sunny, with a high near 70. Breezy, with a west wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph.
Thursday Night
Mostly clear, with a low around 36. West wind 15 to 20 mph becoming south 6 to 11 mph after midnight. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 71. South wind 5 to 10 mph becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
5:00 am MDT Apr 18, 2026
8am MDT Apr 18, 2026-6pm MDT Apr 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database