Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fog/Mist

68°F

20°C

Humidity	93%
Wind Speed	S 8 mph
Barometer	29.98 in (1013.8 mb)
Dewpoint	66°F (19°C)
Visibility	5.00 mi
Last update	15 Jul 6:53 am CDT

More Information:

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

Extended Forecast for

5 Miles W Chapin IA

Today
High: 86 °F
Sunny
Tonight
Low: 67 °F
Mostly Clear
then Chance
T-storms
Wednesday
High: 78 °F
Chance
T-storms then
T-storms
Wednesday Night
Low: 55 °F
T-storms
Likely then
Chance
Showers
Thursday
High: 70 °F
Partly Sunny
Thursday Night
Low: 55 °F
Partly Cloudy
Friday
High: 76 °F
Mostly Sunny
Friday Night
Low: 63 °F
Chance
Showers then
Showers
Likely
Saturday
High: 80 °F
Chance
T-storms

Detailed Forecast

Today

Sunny, with a high near 86. South wind 8 to 13 mph, with gusts as high as 20 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly after 4am. Increasing clouds, with a low around 67. South wind around 6 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm. High near 78. South southwest wind 5 to 9 mph becoming northwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

Wednesday Night

Showers and thunderstorms likely before 10pm, then a chance of showers. Mostly cloudy, with a low around 55. North wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday

Partly sunny, with a high near 70. North wind 9 to 11 mph.

Thursday Night

Partly cloudy, with a low around 55.

Friday

Mostly sunny, with a high near 76.

Friday Night

A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

Saturday

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.

Saturday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 30%.