Dangerous Heat in the Central and Eastern U.S.; Critical Fire Weather in the Great Basin and Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue Tuesday across portions of the Four Corners and Great Basin, as dry conditions and gusty winds persist. Read More >

Hazardous Weather Conditions

Red Flag Warning in effect from June 30, 11:00 AM MDT until June 30, 08:00 PM MDT

Current conditions at

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

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

Clear

82°F

28°C

Humidity	15%
Wind Speed	SW 16 MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	31°F (-1°C)
Visibility	10.00 mi
Heat Index	80°F (27°C)
Last update	29 Jun 06:54 PM MST

More Information:

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

Extended Forecast for

St. Johns AZ

Red Flag Warning June 30, 11:00am until June 30, 08:00pm

Click here for hazard details and duration

Red Flag Warning

Tonight
Low: 54 °F
Clear
Tuesday
High: 89 °F
Sunny then
Sunny and
Breezy
Tuesday Night
Low: 52 °F
Clear and
Breezy then
Clear
Wednesday
High: 89 °F
Sunny then
Sunny and
Breezy
Wednesday Night
Low: 50 °F
Clear
Thursday
High: 92 °F
Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 93 °F
Mostly Sunny
Friday Night
Low: 58 °F
Partly Cloudy

Detailed Forecast

Tonight

Clear, with a low around 54. Southwest wind 13 to 18 mph becoming light south after midnight. Winds could gust as high as 28 mph.

Tuesday

Sunny, with a high near 89. Breezy, with a light south wind becoming southwest 19 to 24 mph in the morning. Winds could gust as high as 39 mph.

Tuesday Night

Clear, with a low around 52. Breezy, with a southwest wind 19 to 24 mph becoming light south after midnight. Winds could gust as high as 39 mph.

Wednesday

Sunny, with a high near 89. Breezy, with a light and variable wind becoming southwest 18 to 23 mph in the morning. Winds could gust as high as 36 mph.

Wednesday Night

Clear, with a low around 50. Southwest wind 16 to 21 mph becoming southwest 6 to 11 mph after midnight. Winds could gust as high as 33 mph.

Thursday

Sunny, with a high near 92. Light and variable wind becoming west 15 to 20 mph in the morning. Winds could gust as high as 32 mph.

Thursday Night

Mostly clear, with a low around 54. West wind 16 to 21 mph becoming light and variable. Winds could gust as high as 30 mph.

Friday

Mostly sunny, with a high near 93. Light and variable wind becoming west 13 to 18 mph in the afternoon. Winds could gust as high as 28 mph.

Friday Night

Partly cloudy, with a low around 58. West wind 13 to 18 mph becoming light south after midnight. Winds could gust as high as 28 mph.

Independence Day

Sunny, with a high near 91. Light and variable wind becoming northwest 6 to 11 mph in the afternoon. Winds could gust as high as 16 mph.

Saturday Night

Partly cloudy, with a low around 60. West wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 17 mph.

Sunday

Sunny, with a high near 94. Calm wind becoming northwest 5 to 9 mph in the afternoon. Winds could gust as high as 15 mph.

Sunday Night

Partly cloudy, with a low around 63. West wind 7 to 15 mph becoming southeast after midnight. Winds could gust as high as 22 mph.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 17 mph.