Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. 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 20%
Wind Speed NW 20 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 17 Apr 10:20 AM MST
Extended Forecast for

St. Johns AZ

  • Today

    Today: Sunny, with a high near 66. West wind 17 to 20 mph, with gusts as high as 28 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 28. Northwest wind 11 to 16 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 23 mph.

    Low: 28 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 69. Light and variable wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35. North wind 6 to 8 mph becoming southeast in the evening.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 76. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. Southwest wind 9 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 77. Southeast wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 77 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 43. Southwest wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 17 mph.

    Low: 43 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 79. Light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 26 mph.

    High: 79 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 66. West wind 17 to 20 mph, with gusts as high as 28 mph.
Tonight
Clear, with a low around 28. Northwest wind 11 to 16 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 23 mph.
Saturday
Sunny, with a high near 69. Light and variable wind becoming northeast 5 to 8 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Mostly clear, with a low around 35. North wind 6 to 8 mph becoming southeast in the evening.
Sunday
Mostly sunny, with a high near 76. Southeast wind 7 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 42. Southwest wind 9 to 13 mph becoming southeast after midnight. Winds could gust as high as 21 mph.
Monday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 77. Southeast wind 9 to 11 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 43. Southwest wind 5 to 11 mph becoming south after midnight. Winds could gust as high as 17 mph.
Tuesday
Sunny, with a high near 79. Light and variable wind becoming southwest 12 to 17 mph in the morning. Winds could gust as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 43. Southwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 26 mph.
Wednesday
Sunny, with a high near 73. Breezy, with a southwest wind 6 to 11 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.
Wednesday Night
Partly cloudy, with a low around 38. West wind 16 to 21 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 31 mph.
Thursday
Mostly sunny, with a high near 68. West wind 6 to 11 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 32 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)
11:02 am MDT Apr 17, 2026
11am MDT Apr 17, 2026-6pm MDT Apr 23, 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