Severe Thunderstorms and Heavy Rainfall; Typhoon Watch in Guam and CNMI

Heavy to excessive rainfall will continue through tonight from the Texas Big Bend region into southern Oklahoma. Scattered damaging wind gusts and a few tornadoes may accompany a line of severe thunderstorms that is expected across the Mid-Atlantic into New England Friday. A Typhoon Watch continues for Guam and CNMI as Tropical Storm Champi will strengthen and approach the islands this weekend. Read More >

Hazardous Weather Conditions

Freeze Watch in effect from October 17, 01:00 AM CDT until October 17, 09:00 AM CDT

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Overcast

45°F

7°C

Humidity	86%
Wind Speed	W 16 G 30 mph
Barometer	30.08 in (1018.6 mb)
Dewpoint	41°F (5°C)
Visibility	10.00 mi
Wind Chill	38°F (3°C)
Last update	16 Oct 12:53 am CDT

More Information:

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

Extended Forecast for

4 Miles NW Grafton IA

Freeze Watch October 17, 01:00am until October 17, 09:00am

Click here for hazard details and duration

Freeze Watch

Overnight
Low: 45 °F
Showers
Likely and
Breezy
Friday
High: 49 °F
Windy. Chance
Showers then
Partly Sunny
Friday Night
Low: 28 °F
Frost
Saturday
High: 56 °F
Frost then
Sunny
Saturday Night
Low: 38 °F
Clear
Sunday
High: 64 °F
Sunny and
Breezy
Sunday Night
Low: 41 °F
Mostly Clear
Monday
High: 66 °F
Mostly Sunny
Monday Night
Low: 43 °F
Partly Cloudy

Detailed Forecast

Overnight

Showers likely, mainly after 5am. Mostly cloudy, with a steady temperature around 45. Breezy, with a west northwest wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

Friday

A 40 percent chance of showers between 8am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Windy, with a north wind 16 to 26 mph, with gusts as high as 41 mph. New precipitation amounts of less than a tenth of an inch possible.

Friday Night

Widespread frost, mainly after 1am. Otherwise, clear, with a low around 28. North northwest wind 5 to 8 mph becoming calm in the evening.

Saturday

Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 56. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Saturday Night

Clear, with a low around 38. South southwest wind 11 to 13 mph, with gusts as high as 21 mph.

Sunday

Sunny, with a high near 64. Breezy.

Sunday Night

Mostly clear, with a low around 41.

Monday

Mostly sunny, with a high near 66.