Tracking Major Hurricane Erin; Hot in the Mid-Mississippi Valley

Major Hurricane Erin is tracking just north of the lower Bahamas today. Dangerous surf and rip current threats increase this week for most of the Atlantic coastline. Erin's outerbands may impact the Outer Banks later this week. Hot to extremely hot temperatures are forecast today and Tuesday from a part of the southern Plains into the central to lower Mississippi River Valley. Read More >

Current conditions at

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

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

Clear

88°F

31°C

Humidity 12%
Wind Speed N 0 MPH
Barometer 30.19 in (1022.35 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 18 Aug 12:20 PM MST
Extended Forecast for

9 Miles NW St. Johns AZ

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 94. North wind 5 to 7 mph.

    High: 94 °F

    Mostly Sunny

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Northeast wind 5 to 8 mph becoming south after midnight.

    Low: 62 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 93. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.

    High: 93 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 62. East wind 5 to 11 mph, with gusts as high as 18 mph.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 94. East wind 3 to 7 mph.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 65. Southeast wind 3 to 8 mph.

    Low: 65 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 94. Calm wind becoming northeast 5 to 7 mph in the afternoon.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before midnight.  Mostly cloudy, with a low around 64. Northeast wind 5 to 7 mph becoming south in the evening.

    Low: 64 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 95. Light and variable wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 15 mph.

    High: 95 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 94. North wind 5 to 7 mph.
Tonight
A 10 percent chance of showers and thunderstorms before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. Northeast wind 5 to 8 mph becoming south after midnight.
Tuesday
A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 93. Light and variable wind becoming southeast 6 to 11 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 62. East wind 5 to 11 mph, with gusts as high as 18 mph.
Wednesday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. East wind 3 to 7 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. Southeast wind 3 to 8 mph.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. Calm wind becoming northeast 5 to 7 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 64. Northeast wind 5 to 7 mph becoming south in the evening.
Friday
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95. Light and variable wind becoming east 5 to 8 mph in the afternoon. Winds could gust as high as 15 mph.
Friday Night
A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 65. East wind 5 to 9 mph becoming southwest in the evening. Winds could gust as high as 15 mph.
Saturday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Southeast wind 5 to 8 mph becoming west in the afternoon. Winds could gust as high as 15 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 5 to 9 mph becoming southeast after midnight. Winds could gust as high as 15 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90. Light and variable wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles NW St. Johns AZ
 34.61°N 109.5°W (Elev. 5597 ft)
1:23 pm MDT Aug 18, 2025
1pm MDT Aug 18, 2025-6pm MDT Aug 24, 2025
 
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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