Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

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

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

Clear

73°F

23°C

Humidity	46%
Wind Speed	SW 13 MPH
Barometer	30.19 in (1022.35 mb)
Dewpoint	52°F (11°C)
Visibility	10.00 mi
Last update	19 Aug 07:20 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
Chance
T-storms then
Mostly Cloudy
Thursday
High: 95 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 64 °F
Chance
T-storms then
Mostly Cloudy
Friday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 61 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Saturday Night
Low: 61 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 91 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 61 °F
Slight Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 65. South wind 5 to 10 mph, with gusts as high as 17 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 95. Calm wind becoming southeast 5 to 8 mph in the afternoon. Winds could gust as high as 16 mph.

Thursday Night

A 40 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 64. East wind 6 to 11 mph becoming light and variable. Winds could gust as high as 20 mph.

Friday

A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 93. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 23 mph.

Friday Night

A 40 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. Southwest wind 5 to 14 mph becoming southeast after midnight. Winds could gust as high as 23 mph.

Saturday

A 50 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 21 mph.

Saturday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. West wind 5 to 9 mph becoming southeast after midnight.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Southeast wind 5 to 10 mph becoming northwest in the morning. Winds could gust as high as 15 mph.

Sunday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. West wind 5 to 9 mph becoming light and variable after midnight.

Monday

A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Calm wind becoming west 5 to 8 mph in the afternoon.

Monday Night

Partly cloudy, with a low around 62. West wind 5 to 8 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93. Calm wind becoming west 5 to 9 mph in the afternoon.

Tuesday Night

Partly cloudy, with a low around 62. Southwest wind 5 to 10 mph becoming light.

Wednesday

A 10 percent chance of showers and thunderstorms. Sunny, with a high near 94. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.