Hazardous Weather Conditions
Current conditions at
Mason City Municipal Airport (KMCW)
Lat: 43.15°NLon: 93.33°WElev: 1188ft.
Fog
33°F
1°C
| Humidity | 100% |
| Wind Speed | SE 13 mph |
| Barometer | 29.81 in (1010.2 mb) |
| Dewpoint | 33°F (1°C) |
| Visibility | 0.50 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 27 Dec 5:53 am CST |
Extended Forecast for
Fertile IA
Winter Storm Watch December 28, 06:00am until December 29, 06:00am
Dense Fog Advisory December 27, 06:03am until December 27, 12:00pm
NOW until 12:00pm Sat

Dense Fog Advisory
Today

High: 44 °F
Dense Fog
Tonight
Low: 33 °F
Areas Fog
then Chance
Rain and
Areas FogSunday
High: 34 °F⇓
Rain/Snow and
Patchy
Blowing Snow
then Snow and
Blowing SnowSunday Night
Low: 3 °F
Snow Likely
and Blowing
SnowMonday
High: 9 °F
Slight Chance
Snow and
Areas Blowing
SnowMonday Night
Low: 2 °F
Mostly Clear
and Blustery
then Mostly
ClearTuesday

High: 29 °F
Partly Sunny
Tuesday Night

Low: 15 °F
Mostly Cloudy
Detailed Forecast
Today
Widespread dense fog, mainly before 10am. Otherwise, cloudy, with a high near 44. South southeast wind 9 to 14 mph, with gusts as high as 22 mph.
Tonight
A 30 percent chance of rain, mainly after 5am. Areas of fog. Otherwise, cloudy, with a low around 33. Light and variable wind becoming north northwest 5 to 10 mph after midnight.
Sunday
Rain before 9am, then rain and snow likely between 9am and 10am, then snow after 10am. Widespread blowing snow, mainly after 5pm. Patchy fog before 7am. Temperature falling to around 15 by 5pm. Wind chill values as low as -5. Windy, with a northwest wind 15 to 20 mph increasing to 25 to 30 mph in the afternoon. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Sunday Night
Snow likely, mainly before midnight. Widespread blowing snow, mainly before 5am. Cloudy, with a low around 3. Wind chill values as low as -20. Windy, with a northwest wind 29 to 31 mph, with gusts as high as 44 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Monday
A 20 percent chance of snow before noon. Areas of blowing snow before noon. Partly sunny and cold, with a high near 9. Windy, with a northwest wind 18 to 28 mph, with gusts as high as 37 mph.
Monday Night
Mostly clear, with a low around 2. Blustery.
Tuesday
Partly sunny, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 15.
Wednesday
Mostly cloudy, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around -2.
New Year's Day
Sunny and cold, with a high near 7.
Thursday Night
Mostly clear, with a low around -5.
Friday
Mostly sunny, with a high near 15.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Fertile IA
43.26°N 93.43°W
43.26°N 93.43°W
3:46 am CST Dec 27, 2025
6am CST Dec 27, 2025-6pm CST Jan 2, 2026



