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July 2-3 and 3-4, 2026 Flash Flooding

Hazardous Weather Conditions

Current conditions at

Mason City Municipal Airport (KMCW)

Lat: 43.15°NLon: 93.33°WElev: 1188ft.

Thunderstorm in Vicinity

83°F

28°C

Humidity	72%
Wind Speed	S 18 G 31 mph
Barometer	29.83 in (1008.6 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	8 Jul 5:53 pm CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Clear Lake IA

Flood Watch until July 9, 10:00am

Severe T-storm Watch until July 9, 12:00am

Click here for hazard details and duration

Flood Watch

Severe T-storm Watch

Flood Watch until July 9, 10:00am
Severe T-storm Watch until July 9, 12:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 65 °F
T-storms then
Chance
T-storms
Thursday
High: 80 °F
Decreasing
Clouds
Thursday Night
Low: 61 °F
Mostly Clear
Friday
High: 82 °F
Mostly Sunny
Friday Night
Low: 63 °F
Partly Cloudy
Saturday
High: 83 °F
Mostly Sunny
Saturday Night
Low: 63 °F
Mostly Clear
Sunday
High: 85 °F
Sunny

Detailed Forecast

Tonight

Showers and thunderstorms before 4am, then a slight chance of showers. Low around 65. South southwest wind 6 to 11 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Thursday

Cloudy, then gradually becoming mostly sunny, with a high near 80. North wind around 5 mph.

Thursday Night

Mostly clear, with a low around 61. North northeast wind around 5 mph becoming calm in the evening.

Friday

Mostly sunny, with a high near 82. Light east southeast wind.

Friday Night

Partly cloudy, with a low around 63. Light east wind.

Saturday

Mostly sunny, with a high near 83.

Saturday Night

Mostly clear, with a low around 63.