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

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

54°F

12°C

Humidity	97%
Wind Speed	Calm
Barometer	30.03 in (1015.9 mb)
Dewpoint	53°F (12°C)
Visibility	10.00 mi
Last update	20 Aug 3:53 am CDT

More Information:

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

Extended Forecast for

3 Miles NW Rockwell IA

Today
High: 81 °F
Patchy Fog
then Mostly
Sunny
Tonight
Low: 63 °F
Slight Chance
T-storms
Friday
High: 82 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 55 °F
Mostly Clear
Sunday
High: 77 °F
Mostly Sunny
Sunday Night
Low: 57 °F
Partly Cloudy
then Slight
Chance
Showers
Monday
High: 77 °F
Partly Sunny

Detailed Forecast

Today

Patchy fog before 8am. Otherwise, increasing clouds, with a high near 81. Light and variable wind becoming south southwest 6 to 11 mph in the morning.

Tonight

A slight chance of showers and thunderstorms between 8pm and 1am. Partly cloudy, with a low around 63. South southwest wind around 8 mph. Chance of precipitation is 20%.

Friday

Sunny, with a high near 82. West southwest wind 6 to 11 mph becoming northwest in the afternoon.

Friday Night

Mostly clear, with a low around 61. Northwest wind 3 to 6 mph.

Saturday

Sunny, with a high near 79. North northwest wind 5 to 13 mph, with gusts as high as 20 mph.

Saturday Night

Mostly clear, with a low around 55.

Sunday

Mostly sunny, with a high near 77.

Sunday Night

A 20 percent chance of showers after 1am. Partly cloudy, with a low around 57.