Tracking Major Hurricane Erin; Hot in the Mid-Mississippi Valley

Major Hurricane Erin is tracking just north of the lower Bahamas today. Dangerous surf and rip current threats increase this week for most of the Atlantic coastline. Erin's outerbands may impact the Outer Banks later this week. Hot to extremely hot temperatures are forecast today and Tuesday from a part of the southern Plains into the central to lower Mississippi River Valley. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Partly Cloudy

70°F

21°C

Humidity	97%
Wind Speed	SE 13 G 21 mph
Barometer	29.99 in (1014.5 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	18 Aug 9:53 am CDT

More Information:

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

Extended Forecast for

Rock Falls IA

Today
High: 85 °F
Chance
Showers then
Chance
T-storms
Tonight
Low: 69 °F
Slight Chance
T-storms then
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
Tuesday Night
Low: 61 °F
Mostly Clear
Wednesday
High: 79 °F
Sunny
Wednesday Night
Low: 57 °F
Clear
Thursday
High: 78 °F
Sunny
Thursday Night
Low: 58 °F
Mostly Clear
Friday
High: 79 °F
Mostly Sunny

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly before 3pm. Partly sunny, with a high near 85. South southeast wind around 9 mph becoming west southwest in the afternoon. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening.

Tuesday

Mostly sunny, with a high near 82. North wind 3 to 8 mph.

Tuesday Night

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

Wednesday

Sunny, with a high near 79. Northeast wind 3 to 6 mph.

Wednesday Night

Clear, with a low around 57.

Thursday

Sunny, with a high near 78.

Thursday Night

Mostly clear, with a low around 58.