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

Wet and Cool in the East this Memorial Day Weekend; Well Above Normal Temperatures in the Northern Plains

A wet Memorial Day weekend is in store for the East, with widespread rainfall of 1 to more than 2 inches expected from the Gulf Coast to southern New England. Well above normal temperatures are forecast to build across the northern Plains. Another round of heavy to excessive rainfall is expected to impact the western Gulf Coast this weekend with Flood Watches in effect. Read More >

Current conditions at

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

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

Clear

61°F

16°C

Humidity 25%
Wind Speed S 9 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 24 May 06:54 AM MST
Extended Forecast for

St. Johns AZ

  • Today

    Today: Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 17 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 53. Southwest wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 17 mph.

    Low: 53 °F

    Increasing
    Clouds

  • Memorial Day

    Memorial Day: Showers likely, then showers and possibly a thunderstorm after noon. High near 75. South wind 8 to 11 mph becoming northeast in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%.

    High: 75 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers then
    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southeast wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. West wind 7 to 15 mph becoming south after midnight. Winds could gust as high as 21 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 83. Light south wind becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 83 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 45. Southwest wind 15 to 20 mph becoming light and variable. Winds could gust as high as 30 mph.

    Low: 45 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 83. Southeast wind 5 to 10 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 83 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 17 mph.
Tonight
Increasing clouds, with a low around 53. Southwest wind 6 to 11 mph becoming south after midnight. Winds could gust as high as 17 mph.
Memorial Day
Showers likely, then showers and possibly a thunderstorm after noon. High near 75. South wind 8 to 11 mph becoming northeast in the morning. Winds could gust as high as 18 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 45. West wind 6 to 10 mph becoming southeast after midnight. Winds could gust as high as 17 mph. Chance of precipitation is 30%.
Tuesday
Sunny, with a high near 78. Southeast wind 5 to 14 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 45. West wind 7 to 15 mph becoming south after midnight. Winds could gust as high as 21 mph.
Wednesday
Sunny, with a high near 83. Light south wind becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Wednesday Night
Clear, with a low around 45. Southwest wind 15 to 20 mph becoming light and variable. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 83. Southeast wind 5 to 10 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly clear, with a low around 46. Southwest wind 13 to 18 mph becoming light south after midnight. Winds could gust as high as 29 mph.
Friday
Sunny, with a high near 82. Light and variable wind becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 29 mph.
Friday Night
Mostly clear, with a low around 47. West wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 29 mph.
Saturday
Sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 17 mph.
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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:
5:02 am MDT May 24, 2026
Forecast Valid:
8am MDT May 24, 2026-6pm MDT May 30, 2026
 
Forecast Discussion
 
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Additional Resources

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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