Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

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

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

Clear

68°F

20°C

Humidity	78%
Wind Speed	S 3 MPH
Barometer	30.22 in (1023.37 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Last update	23 Jul 01:54 AM MST

More Information:

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

Extended Forecast for

St. Johns AZ

Overnight
Low: 63 °F
Partly Cloudy
Thursday
High: 91 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 66 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 95 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 68 °F
Partly Cloudy
Saturday
High: 95 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 68 °F
Chance
T-storms then
Mostly Cloudy
Sunday
High: 95 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 66 °F
Chance
T-storms then
Mostly Cloudy

Detailed Forecast

Overnight

Partly cloudy, with a low around 63. South wind around 6 mph.

Thursday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Calm wind becoming west 5 to 7 mph in the afternoon.

Thursday Night

A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 66. Southwest wind 5 to 8 mph becoming south after midnight.

Friday

A 10 percent chance of showers and thunderstorms after noon. Sunny, with a high near 95. Calm wind becoming west 5 to 7 mph in the afternoon.

Friday Night

Partly cloudy, with a low around 68. West wind 6 to 8 mph becoming southeast after midnight.

Saturday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 95. Southeast wind 5 to 8 mph.

Saturday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 68. South wind 5 to 9 mph becoming light after midnight.

Sunday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 95. Calm wind becoming west 5 to 8 mph in the afternoon.

Sunday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 66. Southwest wind 5 to 10 mph becoming light south after midnight. Winds could gust as high as 16 mph.

Monday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.

Monday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southwest wind 6 to 11 mph becoming light after midnight. Winds could gust as high as 18 mph.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 17 mph.

Tuesday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 16 mph.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph.