Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

I-40 @ Painted Desert NP HQ (AZT13)

Lat: 35.0637°NLon: 109.77562°WElev: 5745.0ft.

NA

84°F

29°C

Humidity 15%
Wind Speed WNW 8 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility 1.24 mi
Heat Index81°F (27°C)
Last update 17 Aug 12:02 PM MST
Extended Forecast for

42 Miles NNW St. Johns AZ

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. West wind 9 to 11 mph, with gusts as high as 17 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 59. West wind 5 to 9 mph becoming calm. Winds could gust as high as 15 mph.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Light and variable wind becoming northwest 5 to 8 mph in the afternoon.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 63. Northwest wind around 8 mph becoming southeast in the evening.

    Low: 63 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after noon.  Sunny, with a high near 95. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 64. South wind 8 to 11 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after noon.  Sunny and hot, with a high near 96. Southeast wind 8 to 15 mph, with gusts as high as 23 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 64. Southeast wind 8 to 15 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after noon.  Sunny and hot, with a high near 96. Southeast wind 8 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 96 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 89. West wind 9 to 11 mph, with gusts as high as 17 mph.
Tonight
Mostly clear, with a low around 59. West wind 5 to 9 mph becoming calm. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 93. Light and variable wind becoming northwest 5 to 8 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 63. Northwest wind around 8 mph becoming southeast in the evening.
Tuesday
A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 95. Southeast wind 6 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 17 mph.
Tuesday Night
A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. South wind 8 to 11 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 96. Southeast wind 8 to 15 mph, with gusts as high as 23 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 64. Southeast wind 8 to 15 mph, with gusts as high as 23 mph.
Thursday
A 10 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 96. Southeast wind 8 to 13 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. North wind 6 to 13 mph becoming south after midnight. Winds could gust as high as 21 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 96. South wind 6 to 14 mph becoming east in the afternoon. Winds could gust as high as 21 mph.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Southeast wind 7 to 10 mph becoming south in the afternoon. Winds could gust as high as 16 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
42 Miles NNW St. Johns AZ
 35.07°N 109.64°W (Elev. 5499 ft)
10:33 am MDT Aug 17, 2025
1pm MDT Aug 17, 2025-6pm MDT Aug 23, 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