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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

53°F

12°C

Humidity 66%
Wind Speed S 13 G 20 mph
Barometer 30.22 in (1023.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 3 Oct 8:53 am CDT
Extended Forecast for

4 Miles NW Grafton IA

  • Today

    Today: Mostly sunny, with a high near 66. Breezy, with a south wind 13 to 18 mph, with gusts as high as 30 mph.

    High: 66 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 49. South southwest wind around 8 mph becoming northwest after midnight.

    Low: 49 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 65. North northwest wind 9 to 11 mph, with gusts as high as 18 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. Breezy.

    High: 70 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 66. Breezy, with a south wind 13 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 49. South southwest wind around 8 mph becoming northwest after midnight.
Sunday
Sunny, with a high near 65. North northwest wind 9 to 11 mph, with gusts as high as 18 mph.
Sunday Night
Clear, with a low around 41. North northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 65. Calm wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 70. Breezy.
Tuesday Night
Mostly clear, with a low around 52.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Mostly sunny, with a high near 69.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Grafton IA
 43.36°N 93.13°W
Last Update:
6:16 am CDT Oct 3, 2026
Forecast Valid:
9am CDT Oct 3, 2026-6pm CDT Oct 9, 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