Siam, Iowa Weather
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Weather Forecast for Siam, Iowa : Taylor County
Issued: 7:50 am CDT Jun 3, 2025 Latitude: 40.627767 Longitude: -94.8855291 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
90% chance of thunderstorms on Today 40% chance of thunderstorms on Tonight Sunny on Wednesday 40% chance of rain on Thursday Partly Sunny on Friday Mostly Sunny on Saturday 30% chance of rain on Sunday Sunny on Monday
High: 61 °F Low: 51°F High: 75°F High: 74°F High: 74°F High: 78°F High: 82°F High: 79°F
Low: 55°F Low: 57°F Low: 56°F Low: 59°F Low: 57°F  
Thunderstorms Thunderstorms Sunny Rain Partly Sunny Mostly Sunny Rain Sunny
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Current Conditions at
CLARINDA - (KICL)
70°
Cloudy
as of 8:15 AM CDST
Rel. Humidity: 94%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.77 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Few at 2000ft, Broken at 6500ft, Solid Overcast at 8000ft
Current Conditions at
SHENANDOAH MUNICIPAL - (KSDA)
70°
Clear
as of 8:15 AM CDST
Rel. Humidity: 100%
Dew Point: 70°F
Visibility: 10 Miles
Pressure: 29.73 in.
Flight Rule: VFR
Wind Data
10 MPH
Gust: 17 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
RED OAK - (KRDK)
72°
Mostly Cloudy
as of 8:15 AM CDST
Rel. Humidity: 94%
Dew Point: 70°F
Visibility: 9 Miles
Pressure: 29.74 in.
Flight Rule: MVFR
Wind Data
9 MPH
180° South
Cloud Level(s): Few at 1000ft, Broken at 1400ft
Current Conditions at
CRESTON - (KCSQ)
70°
Mostly Cloudy
as of 8:15 AM CDST
Rel. Humidity: 94%
Dew Point: 68°F
Visibility: 10 Miles
Pressure: 29.75 in.
Flight Rule: VFR
Wind Data
9 MPH
140° Southeast
Cloud Level(s): Few at 4100ft, Broken at 8000ft, Broken at 9000ft
90% chance of thunderstorms Today Today... Showers and possibly a thunderstorm. Temperature falling to around 61 by 5pm. South southwest wind 11 to 15 mph becoming north in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
40% chance of thunderstorms Tonight Tonight... A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 9pm. Cloudy during the early evening, then gradual clearing, with a low around 51. North wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunny on Wednesday Wednesday... Sunny, with a high near 75. East northeast wind 6 to 8 mph.
Cloudy on Wednesday Night Wednesday Night... Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm in the evening.
40% chance of rain Thursday Thursday... A 40 percent chance of showers. Mostly cloudy, with a high near 74. East wind 3 to 7 mph. New precipitation amounts of less than a tenth of an inch possible.
40% chance of thunderstorms Thursday Night Thursday Night... A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Partly Sunny on Friday Friday... Partly sunny, with a high near 74.
Mostly Cloudy on Friday Night Friday Night... Mostly cloudy, with a low around 56.
Mostly Sunny on Saturday Saturday... Mostly sunny, with a high near 78.
30% chance of rain Saturday Night Saturday Night... A 30 percent chance of showers after 1am. Partly cloudy, with a low around 59.
30% chance of rain Sunday Sunday... A 30 percent chance of showers. Sunny, with a high near 82.
Mostly Clear on Sunday Night Sunday Night... Mostly clear, with a low around 57.
Sunny on Monday Monday... Sunny, with a high near 79.
Current Radar Image


Sun Almanac for Siam, Iowa
Sunrise: 05:50 AM
Sunset: 8:46 PM
Civil Sunrise:05:17 AM
Civil Sunset: 9:19 PM
Nautical Sunrise: 04:36 AM
Nautical Sunset: 10:00 PM
Astro Sunrise: 03:48 AM
Astro Sunset: 10:48 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.