Dangerous Heat Builds and Expands; Critical Fire Weather for the Southwest; Severe Thunderstorms for Plains and Midwest

Dangerous to record breaking heat will build across the center of the nation and slowly build eastward this week. Wildfire conditions remain critical for the Southwest and portions of the Great Basin through Monday. For the northern Plains and upper Midwest, severe thunderstorms with the potential for large to very large hail and severe winds are the primary hazards. Read More >

Hazardous Weather Conditions

Heat Advisory until June 30, 09:00 PM CDT

Current conditions at

Sioux City, Sioux Gateway Airport (KSUX)

Lat: 42.4°NLon: 96.38°WElev: 1099ft.

Fair

92°F

33°C

Humidity	56%
Wind Speed	S 10 mph
Barometer	29.55 in (999.4 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	102°F (39°C)
Last update	28 Jun 7:52 pm CDT

More Information:

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

Extended Forecast for

2 Miles N Whiting IA

Heat Advisory June 28, 10:41pm until June 30, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory June 28, 10:41pm until June 30, 09:00pm
NOW until 9:00pm Tue
Heat Advisory
Tonight
Low: 78 °F
Mostly Clear
Monday
High: 100 °F
Hot and Windy
Monday Night
Low: 74 °F
Chance
T-storms and
Breezy
Tuesday
High: 96 °F
Mostly Sunny
Tuesday Night
Low: 75 °F
Chance
Showers then
Chance
T-storms
Wednesday
High: 95 °F
Chance
T-storms and
Breezy
Wednesday Night
Low: 74 °F
Showers
Likely and
Breezy
Thursday
High: 96 °F
Slight Chance
T-storms and
Breezy

Detailed Forecast

Tonight

Mostly clear, with a low around 78. South wind around 17 mph, with gusts as high as 29 mph.

Monday

Sunny and hot, with a high near 100. Heat index values as high as 107. Windy, with a south wind 20 to 26 mph, with gusts as high as 39 mph.

Monday Night

A 40 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Increasing clouds, with a low around 74. Breezy, with a south wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 33 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

Mostly sunny, with a high near 96. South southwest wind 5 to 8 mph, with gusts as high as 16 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75. South wind around 11 mph, with gusts as high as 22 mph.

Wednesday

A 30 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 95. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 34 mph.

Wednesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 74. Breezy, with a south wind 13 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

Thursday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 96. Breezy, with a south wind 10 to 18 mph, with gusts as high as 29 mph.

Thursday Night

A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 73. Breezy, with a south wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph.

Friday

Mostly sunny and hot, with a high near 98. South wind 9 to 16 mph, with gusts as high as 25 mph.

Friday Night

A chance of showers and thunderstorms. Mostly clear, with a low around 74. Breezy, with a south southeast wind 11 to 21 mph, with gusts as high as 28 mph.

Independence Day

A slight chance of showers and thunderstorms. Mostly sunny and hot, with a high near 97. South southeast wind 9 to 13 mph, with gusts as high as 21 mph.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 71. South wind 6 to 16 mph becoming north after midnight. Winds could gust as high as 21 mph.

Sunday

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. North northwest wind 6 to 10 mph.