Alta, Iowa Weather
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Weather Forecast for Alta, Iowa : Buena Vista County
Issued: 2:45 pm CDT Jun 1, 2025 Latitude: 42.6735921 Longitude: -95.290554 View on Google Maps

MouseOver for Detail Forecast
Tonight Monday Tuesday Wednesday Thursday Friday Saturday Sunday
Smoke on Tonight Mostly Sunny on Monday 80% chance of thunderstorms on Tuesday Mostly Sunny on Wednesday Partly Sunny on Thursday 30% chance of on Friday 40% chance of on Saturday 30% chance of thunderstorms on Sunday
Low: 62°F High: 89°F High: 66°F High: 75°F High: 75°F High: 73°F High: 74°F High: 78°F
Low: 58°F Low: 49°F Low: 53°F Low: 54°F Low: 56°F Low: 57°F  
Smoke Mostly Sunny Thunderstorms Mostly Sunny Partly Sunny Partly Sunny Partly Sunny Thunderstorms
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Current Conditions at
STORM LAKE - (KSLB)
84°
Clear
as of 3:55 PM CDST
Rel. Humidity: 30%
Dew Point: 50°F
Visibility: 9 Miles
Pressure: 29.87 in.
Flight Rule: VFR
Wind Data
5 MPH
Cloud Level(s): Clear
Current Conditions at
SPENCER - (KSPW)
86°
Clear
as of 3:53 PM CDST
Rel. Humidity: 33%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 29.85 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
HARLAN - (KHNR)
86°
Clear
as of 3:55 PM CDST
Rel. Humidity: 28%
Dew Point: 50°F
Visibility: 9 Miles
Pressure: 29.86 in.
Flight Rule: VFR
Wind Data
6 MPH
160° South
Cloud Level(s): Clear
Smoke on Tonight Tonight... Areas of smoke before 4am. Partly cloudy, with a low around 62. South wind around 10 mph.
Mostly Sunny on Monday Monday... Mostly sunny, with a high near 89. Breezy, with a south southwest wind 15 to 25 mph, with gusts as high as 30 mph.
90% chance of thunderstorms Monday Night Monday Night... Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Some of the storms could produce heavy rainfall. Low around 58. Breezy, with a south wind 15 to 20 mph becoming west northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
80% chance of thunderstorms Tuesday Tuesday... Showers and possibly a thunderstorm before 1pm, then a chance of showers. High near 66. North northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Partly Cloudy on Tuesday Night Tuesday Night... Cloudy, then gradually becoming partly cloudy, with a low around 49. North wind 5 to 10 mph.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 75. North wind around 10 mph becoming east in the afternoon.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 53.
Partly Sunny on Thursday Thursday... Partly sunny, with a high near 75.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 54.
30% chance of Friday Friday... A 30 percent chance of showers after 1pm. Partly sunny, with a high near 73.
30% chance of thunderstorms Friday Night Friday Night... A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
40% chance of Saturday Saturday... A 40 percent chance of showers. Partly sunny, with a high near 74.
40% chance of thunderstorms Saturday Night Saturday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
30% chance of thunderstorms Sunday Sunday... A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
Current Radar Image


Sun Almanac for Alta, Iowa
Sunrise: 05:46 AM
Sunset: 8:53 PM
Civil Sunrise:05:11 AM
Civil Sunset: 9:27 PM
Nautical Sunrise: 04:27 AM
Nautical Sunset: 10:11 PM
Astro Sunrise: 03:35 AM
Astro Sunset: 11:03 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.