Extreme Heat and Excessive Rainfall Today

Dangerous and extreme heat will remain across portions of the southern U.S. through the weekend. A heat wave over the Southwest U.S. will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Multiple rounds of thunderstorms will produce heavy to excessive rainfall with significant flash flooding across portions of southern New England. Read More >

Current conditions at

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

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

Clear

81°F

27°C

Humidity	30%
Wind Speed	S 3 MPH
Barometer	30.11 in (1019.64 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	29 Jul 07:35 PM MST

More Information:

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

Extended Forecast for

St. Johns AZ

Tonight
Low: 65 °F
Slight Chance
T-storms then
Slight Chance
Showers
Thursday
High: 95 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 67 °F
Partly Cloudy
Friday
High: 99 °F
Hot
Friday Night
Low: 69 °F
Partly Cloudy
Saturday
High: 101 °F
Hot
Saturday Night
Low: 68 °F
Mostly Clear
Sunday
High: 101 °F
Hot
Sunday Night
Low: 68 °F
Partly Cloudy

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 65. South wind 3 to 8 mph. Chance of precipitation is 20%.

Thursday

A 10 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 95. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 16 mph.

Thursday Night

Partly cloudy, with a low around 67. South wind 3 to 8 mph. Winds could gust as high as 15 mph.

Friday

Sunny and hot, with a high near 99. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.

Friday Night

Partly cloudy, with a low around 69. Southwest wind 6 to 9 mph becoming south after midnight. Winds could gust as high as 16 mph.

Saturday

Sunny and hot, with a high near 101. Light and variable wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph.

Saturday Night

Mostly clear, with a low around 68. Northwest wind 7 to 14 mph becoming south after midnight. Winds could gust as high as 22 mph.

Sunday

Sunny and hot, with a high near 101. South wind 7 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

Sunday Night

Partly cloudy, with a low around 68. West wind 8 to 17 mph becoming south after midnight. Winds could gust as high as 26 mph.

Monday

Sunny and hot, with a high near 100. Southwest wind 9 to 18 mph becoming northwest in the morning. Winds could gust as high as 28 mph.

Monday Night

A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. Southwest wind 13 to 18 mph becoming southwest 7 to 12 mph after midnight. Winds could gust as high as 29 mph.

Tuesday

A 10 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 98. Southwest wind 5 to 14 mph becoming northwest in the afternoon. Winds could gust as high as 23 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. West wind 6 to 15 mph becoming south after midnight. 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 southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.