Extreme Heat Across the Southern U.S.; Severe Thunderstorms and Heavy Rain in the Northern Plains and Upper Midwest

Dangerous heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Severe thunderstorms will produce damaging winds and heavy rainfall over portions of the northern/central Plains into the mid/upper-Mississippi Valleys today. Read More >

Current conditions at

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

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

Clear

83°F

28°C

Humidity	39%
Wind Speed	WSW 3 MPH
Barometer	30.25 in (1024.38 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	30 Jul 09:54 AM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

St. Johns AZ

Today
High: 93 °F
Chance
T-storms
Tonight
Low: 66 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 97 °F
Hot
Friday Night
Low: 66 °F
Mostly Clear
Saturday
High: 100 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 67 °F
Slight Chance
T-storms then
Mostly Clear
Sunday
High: 98 °F
Hot
Sunday Night
Low: 70 °F
Partly Cloudy
Monday
High: 100 °F
Hot

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 93. Northwest wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

Tonight

A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 66. South wind 5 to 10 mph, with gusts as high as 16 mph.

Friday

Sunny and hot, with a high near 97. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 16 mph.

Friday Night

Mostly clear, with a low around 66. Northwest wind 7 to 10 mph becoming south after midnight. Winds could gust as high as 21 mph.

Saturday

A 10 percent chance of showers and thunderstorms after noon. Sunny and hot, with a high near 100. Southeast wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

A 10 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 67. Northwest wind 7 to 14 mph becoming south after midnight. Winds could gust as high as 25 mph.

Sunday

Sunny and hot, with a high near 98. South wind 7 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 21 mph.

Sunday Night

Partly cloudy, with a low around 70. Northwest wind 10 to 17 mph becoming south after midnight. Winds could gust as high as 28 mph.

Monday

Sunny and hot, with a high near 100. Southwest wind 10 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph.

Monday Night

Partly cloudy, with a low around 69. Breezy, with a west wind 17 to 22 mph becoming southwest 7 to 12 mph after midnight. Winds could gust as high as 32 mph.

Tuesday

Sunny and hot, with a high near 98. Southwest wind 7 to 14 mph becoming northwest in the morning. Winds could gust as high as 24 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Northwest wind 6 to 14 mph becoming south in the evening. Winds could gust as high as 23 mph.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 24 mph.