Heat Persists in the South Central U.S. and Southwest; Heavy rains in the Desert Southwest and Central Plains

Sweltering heat remains across the South-Central Plains, Lower/Middle Mississippi Valley, and the Southwest this week with limited nighttime relief. Thunderstorms will bring heavy rainfall leading to localized flash flooding in portions of the Desert Southwest and central Plains. Isolated strong to severe thunderstorms are possible across portions of the central Plains into the Northeast. Read More >

Current conditions at

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

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

Clear

88°F

31°C

Humidity	23%
Wind Speed	NW 6 MPH
Barometer	30.29 in (1025.74 mb)
Dewpoint	47°F (8°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	09 Sep 01:05 PM MST

More Information:

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

Extended Forecast for

St. Johns AZ

This Afternoon
High: 92 °F
Slight Chance
T-storms
Tonight
Low: 62 °F
Slight Chance
T-storms then
Mostly Clear
Thursday
High: 92 °F
Sunny
Thursday Night
Low: 63 °F
Mostly Clear
Friday
High: 90 °F
Sunny then
Chance
T-storms
Friday Night
Low: 61 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 87 °F
Sunny then
Slight Chance
T-storms
Saturday Night
Low: 61 °F
Slight Chance
T-storms then
Mostly Clear
Sunday
High: 87 °F
Sunny then
Chance
T-storms

Detailed Forecast

This Afternoon

A 10 percent chance of showers and thunderstorms after 3pm. Sunny, with a high near 92. North wind 9 to 11 mph, with gusts as high as 17 mph.

Tonight

A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 62. West wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.

Thursday

Sunny, with a high near 92. Light and variable wind becoming northwest 8 to 13 mph in the afternoon. Winds could gust as high as 20 mph.

Thursday Night

Mostly clear, with a low around 63. Northwest wind 8 to 15 mph becoming south after midnight. Winds could gust as high as 22 mph.

Friday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. South wind 8 to 17 mph becoming west in the afternoon. Winds could gust as high as 25 mph.

Friday Night

A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. West wind 12 to 17 mph becoming southwest 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

Saturday

A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 87. Light and variable wind becoming west 6 to 11 mph in the morning. 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. Southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 21 mph.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 87. Light and variable wind becoming southwest 16 to 21 mph in the morning. Winds could gust as high as 34 mph.

Sunday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 60. Southwest wind 13 to 18 mph becoming light and variable after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 30%.

Monday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Light and variable wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 25 mph.

Monday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 58. Southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 23 mph.

Tuesday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. Calm wind becoming west 5 to 8 mph in the afternoon. Winds could gust as high as 17 mph. Chance of precipitation is 60%.