National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall Threat Continues in the Southwest on Monday; Record Warmth in the Plains and Midwest

Remnant moisture from Tropical Storm Rachel will persist over portions of the Great Basin and Southwest on Monday, bringing a potential heavy to excessive rainfall risk. Well above average and potentially record breaking temperatures will develop across the Plains and Midwest early this week, spreading into the Lower Mississippi Valley and Southeast midweek. Read More >

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

70°F

21°C

Humidity 61%
Wind Speed S 10 mph
Barometer 29.78 in (1007.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 11 Oct 8:53 pm CDT
Extended Forecast for

Mason City IA

  • Tonight

    Tonight: Cloudy, then becoming partly cloudy toward daybreak, with a low around 66. West northwest wind 8 to 11 mph becoming south in the evening.

    Low: 66 °F

    Mostly Cloudy

  • Columbus Day

    Columbus Day: Sunny, with a high near 86. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. South southwest wind 6 to 9 mph becoming northwest after midnight.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. North northwest wind 5 to 8 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. North wind around 6 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43. Breezy.

    Low: 43 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

Detailed Forecast

Tonight
Cloudy, then becoming partly cloudy toward daybreak, with a low around 66. West northwest wind 8 to 11 mph becoming south in the evening.
Columbus Day
Sunny, with a high near 86. South southwest wind 6 to 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 56. South southwest wind 6 to 9 mph becoming northwest after midnight.
Tuesday
Sunny, with a high near 72. North northwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 50. North wind around 6 mph.
Wednesday
Mostly sunny, with a high near 66.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 48.
Thursday
Showers likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Thursday Night
Mostly cloudy, with a low around 43. Breezy.
Friday
Partly sunny, with a high near 55. Windy.
Friday Night
Partly cloudy, with a low around 32.
Saturday
Sunny, with a high near 55.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 63. Breezy.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mason City IA
 43.15°N 93.19°W
Last Update:
9:32 pm CDT Oct 11, 2026
Forecast Valid:
9pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation