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 >

Hazardous Weather Conditions

Dense Fog Advisory in effect from August 20, 02:17 AM CDT until August 20, 10:00 AM CDT

Current conditions at

Blair Municipal Airport (KBTA)

Lat: 41.41°NLon: 96.11°WElev: 1325ft.

Fog/Mist

62°F

17°C

Humidity	98%
Wind Speed	Calm
Barometer	30.06 in
Dewpoint	62°F (17°C)
Visibility	3.00 mi
Last update	20 Aug 7:15 am CDT

More Information:

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

Extended Forecast for

Missouri Valley IA

Dense Fog Advisory until August 20, 10:00am

Click here for hazard details and duration

...

Dense Fog Advisory until August 20, 10:00am
NOW until 10:00am Thu
Dense Fog Advisory
Today
High: 81 °F
Patchy Dense
Fog then
Sunny
Tonight
Low: 65 °F
Mostly Clear
Friday
High: 85 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 63 °F
Chance
T-storms
Saturday
High: 81 °F
Sunny
Saturday Night
Low: 60 °F
Partly Cloudy
Sunday
High: 77 °F
Slight Chance
Showers
Sunday Night
Low: 63 °F
Chance
T-storms

Detailed Forecast

Today

Patchy dense fog before 9am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 81. Calm wind becoming south 5 to 8 mph in the afternoon.

Tonight

Mostly clear, with a low around 65. South wind 3 to 7 mph.

Friday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 85. Light and variable wind.

Friday Night

A 40 percent chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 63. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

Sunny, with a high near 81. Calm wind becoming north northeast around 6 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 60. Light east wind.

Sunday

A 20 percent chance of showers before 1pm. Partly sunny, with a high near 77. Calm wind becoming southeast around 5 mph in the afternoon.

Sunday Night

A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 63. Southeast wind 5 to 7 mph.

Monday

A slight chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 80. Southeast wind 8 to 10 mph, with gusts as high as 17 mph.

Monday Night

A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Southeast wind 3 to 6 mph.

Tuesday

A slight chance of showers and thunderstorms. Partly sunny, with a high near 83. Light and variable wind becoming west southwest around 5 mph in the afternoon.

Tuesday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. Light northwest wind.

Wednesday

Mostly sunny, with a high near 82. Calm wind becoming north northwest around 5 mph in the afternoon.