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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley this afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

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

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

Partly Cloudy

78°F

26°C

Humidity 12%
Wind Speed W 13 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 09 Apr 01:54 PM MST
Extended Forecast for

St. Johns AZ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. West wind 11 to 13 mph, with gusts as high as 20 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 42 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 78. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.

    High: 78 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 43. South wind 6 to 14 mph, with gusts as high as 21 mph.

    Low: 43 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. South wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. South wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 71. Breezy, with a southwest wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.

    High: 71 °F

    Sunny then
    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. Breezy, with a southwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.

    Low: 39 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 65. Windy, with a southwest wind 7 to 17 mph increasing to 21 to 31 mph. Winds could gust as high as 43 mph.

    High: 65 °F

    Sunny and
    Windy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. West wind 11 to 13 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
Increasing clouds, with a high near 78. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 23 mph.
Friday Night
Partly cloudy, with a low around 43. South wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 73. South wind 5 to 10 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 32 mph.
Saturday Night
Mostly clear, with a low around 39. South wind 13 to 18 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Sunday
Mostly sunny, with a high near 71. Breezy, with a southwest wind 5 to 10 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 37 mph.
Sunday Night
Partly cloudy, with a low around 39. Breezy, with a southwest wind 17 to 22 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 33 mph.
Monday
Sunny, with a high near 65. Windy, with a southwest wind 7 to 17 mph increasing to 21 to 31 mph. Winds could gust as high as 43 mph.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 34. Breezy, with a southwest wind 20 to 25 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 36 mph.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 59. West wind 8 to 17 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 31. West wind 6 to 15 mph becoming south after midnight. Winds could gust as high as 23 mph.
Wednesday
Sunny, with a high near 68. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
St. Johns AZ
 34.51°N 109.37°W (Elev. 5797 ft)
Last Update:
12:43 pm MDT Apr 9, 2026
Forecast Valid:
3pm MDT Apr 9, 2026-6pm MDT Apr 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation