Heavy Rainfall Possible in the Upper Midwest, South Texas, and Puerto Rico and the Virgin Islands

Scattered thunderstorms and heavy rainfall may bring areas of flooding though the weekend over the Upper Midwest. A tropical disturbance will bring moderate to locally heavy rain to portions of South Texas into Saturday. Tropical Storm Erin may bring isolated flash and urban flooding, landslides or mudslides, and tropical storm conditions to Puerto Rico and the U.S. Virgin Islands. Read More >

Current conditions at

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

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

Partly Cloudy

66°F

19°C

Humidity	52%
Wind Speed	S 3 MPH
Barometer	30.21 in (1023.03 mb)
Dewpoint	48°F (9°C)
Visibility	10.00 mi
Last update	15 Aug 05:35 AM MST

More Information:

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

Extended Forecast for

15 Miles WNW St. Johns AZ

Today
High: 85 °F
Chance
Showers then
T-storms
Likely
Tonight
Low: 61 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 86 °F
Mostly Cloudy
then T-storms
Likely
Saturday Night
Low: 61 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Sunday Night
Low: 61 °F
Slight Chance
T-storms then
Mostly Clear
Monday
High: 91 °F
Sunny then
Chance
T-storms
Monday Night
Low: 63 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 94 °F
Sunny then
Chance
T-storms

Detailed Forecast

Today

A slight chance of showers, then showers and thunderstorms likely after 9am. Mostly cloudy, with a high near 85. South wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 70%.

Tonight

A 50 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. West wind 6 to 11 mph becoming light and variable. Winds could gust as high as 18 mph.

Saturday

Showers likely and possibly a thunderstorm between noon and 3pm, then showers and thunderstorms likely after 3pm. Mostly cloudy, with a high near 86. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.

Saturday Night

A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 61. South wind 5 to 14 mph, with gusts as high as 22 mph.

Sunday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. South wind 5 to 8 mph becoming northwest in the afternoon.

Sunday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 61. Southwest wind around 9 mph, with gusts as high as 16 mph.

Monday

A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 91. Southwest wind 7 to 9 mph, with gusts as high as 15 mph.

Monday Night

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. Southwest wind 8 to 10 mph becoming south after midnight. Winds could gust as high as 16 mph.

Tuesday

A 40 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 94. South wind around 8 mph.

Tuesday Night

A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 65. South wind 5 to 8 mph becoming calm after midnight.

Wednesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Calm wind becoming east 5 to 8 mph in the afternoon.

Wednesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65. East wind 5 to 8 mph becoming light and variable after midnight.

Thursday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 95. Calm wind becoming east 5 to 8 mph in the afternoon.