Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Fair

28°C

82°F

Humidity 55%
Wind Speed SE 11 km/h
Barometer 1014.3 mb (29.99 in)
Dewpoint 18°C (64°F)
Visibility 13 km
Heat Index29°C (84°F)
Last update 19 Jul 3:53 pm CDT
Extended Forecast for

Rockwell IA

Heat Advisory July 20, 12:00pm until July 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  • This Afternoon

    This Afternoon: Patchy smoke. Mostly sunny, with a high near 29. Southeast wind around 8 km/h.

    High: 29 °C

    Patchy Smoke

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms after 5am.  Patchy smoke before 1am. Partly cloudy, with a low around 18. South southeast wind 5 to 13 km/h.

    Low: 18 °C

    Patchy Smoke
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 34. Heat index values as high as 41. Southwest wind 13 to 21 km/h, with gusts as high as 34 km/h.  Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 34 °C

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly between 10pm and midnight.  Partly cloudy, with a low around 20. West southwest wind around 14 km/h becoming northwest after midnight.  New precipitation amounts between 2.5 and 5 mm possible.

    Low: 20 °C

    Chance
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 27. Breezy, with a north northwest wind 18 to 23 km/h increasing to 27 to 32 km/h in the morning. Winds could gust as high as 45 km/h.

    High: 27 °C

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 14.

    Low: 14 °C

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 25.

    High: 25 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 13.

    Low: 13 °C

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 26.

    High: 26 °C

    Mostly Sunny

Detailed Forecast

This Afternoon
Patchy smoke. Mostly sunny, with a high near 29. Southeast wind around 8 km/h.
Tonight
A 10 percent chance of showers and thunderstorms after 5am. Patchy smoke before 1am. Partly cloudy, with a low around 18. South southeast wind 5 to 13 km/h.
Monday
A chance of showers and thunderstorms before 1pm, then a chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 34. Heat index values as high as 41. Southwest wind 13 to 21 km/h, with gusts as high as 34 km/h. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly between 10pm and midnight. Partly cloudy, with a low around 20. West southwest wind around 14 km/h becoming northwest after midnight. New precipitation amounts between 2.5 and 5 mm possible.
Tuesday
Sunny, with a high near 27. Breezy, with a north northwest wind 18 to 23 km/h increasing to 27 to 32 km/h in the morning. Winds could gust as high as 45 km/h.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Sunny, with a high near 25.
Wednesday Night
Mostly clear, with a low around 13.
Thursday
Mostly sunny, with a high near 26.
Thursday Night
Mostly cloudy, with a low around 15.
Friday
Mostly sunny, with a high near 27.
Friday Night
Partly cloudy, with a low around 16.
Saturday
Sunny, with a high near 29.
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ABOUT THIS FORECAST

 
Point Forecast:
Rockwell IA
 42.97°N 93.19°W
1:46 pm CDT Jul 19, 2026
4pm CDT Jul 19, 2026-6pm CDT Jul 25, 2026
 
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Additional Resources

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