Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Mostly Cloudy

74°F

23°C

Humidity	97%
Wind Speed	W 5 mph
Barometer	30.02 in (1015.2 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	16 Aug 12:53 am CDT

More Information:

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

Extended Forecast for

Fertile IA

Overnight
Low: 65 °F
Slight Chance
Showers
Sunday
High: 77 °F
Partly Sunny
Sunday Night
Low: 56 °F
Mostly Clear
then Patchy
Fog
Monday
High: 80 °F
Patchy Fog
then Sunny
Monday Night
Low: 62 °F
Chance
T-storms then
Showers
Likely
Tuesday
High: 79 °F
Chance
Showers then
Showers
Likely
Tuesday Night
Low: 58 °F
Showers
Likely
Wednesday
High: 74 °F
Mostly Sunny
Wednesday Night
Low: 53 °F
Partly Cloudy

Detailed Forecast

Overnight

A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 65. Northwest wind 5 to 7 mph.

Sunday

Partly sunny, with a high near 77. North northwest wind 9 to 13 mph, with gusts as high as 20 mph.

Sunday Night

Patchy fog after 5am. Otherwise, mostly clear, with a low around 56. North northwest wind 5 to 7 mph becoming calm in the evening.

Monday

Patchy fog before 7am. Otherwise, sunny, with a high near 80. Calm wind becoming west southwest around 6 mph in the afternoon.

Monday Night

A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 62. South southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Tuesday Night

Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

Wednesday

Mostly sunny, with a high near 74.

Wednesday Night

Partly cloudy, with a low around 53.

Thursday

Mostly sunny, with a high near 75.

Thursday Night

A 40 percent chance of showers. Partly cloudy, with a low around 57.

Friday

A 30 percent chance of showers. Mostly sunny, with a high near 77.