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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Light Rain

66°F

19°C

Humidity 87%
Wind Speed S 7 mph
Barometer 30.03 in (1015.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 29 Aug 1:53 am CDT
Extended Forecast for

Manly IA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a steady temperature around 67. South wind 6 to 8 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    T-storms

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and noon. High near 81. Windy, with a south wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 81 °F

    Showers and
    Breezy then
    Partly Sunny
    and Windy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 69. South wind 9 to 11 mph, with gusts as high as 21 mph.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of showers and thunderstorms between 9am and 10am. Mostly sunny, with a high near 87. South wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Southeast wind around 9 mph.

    Low: 71 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a steady temperature around 67. South wind 6 to 8 mph, with gusts as high as 18 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers and possibly a thunderstorm before 10am, then a chance of showers and thunderstorms between 10am and noon. High near 81. Windy, with a south wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Mostly cloudy, with a low around 69. South wind 9 to 11 mph, with gusts as high as 21 mph.
Sunday
A slight chance of showers and thunderstorms between 9am and 10am. Mostly sunny, with a high near 87. South wind 9 to 11 mph. Chance of precipitation is 20%.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71. Southeast wind around 9 mph.
Monday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.
Tuesday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 20%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Thursday
Partly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Manly IA
 43.3°N 93.19°W
Last Update:
1:26 am CDT Aug 29, 2026
Forecast Valid:
2am CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
Forecast Discussion
 
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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