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Siam, IA
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7-Day Forecast
This Afternoon
Partly Sunny
High: 57°
Partly sunny with a steady temperature around 57. North northeast wind around 8 mph.
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Tonight
Partly Cloudy then Slight Chance Showers
Low: 43°
A 10% chance of showers after 5am. Increasing clouds with a low around 43. East northeast wind 6 to 11 mph with gusts as high as 21 mph.
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Sunday
Showers
High: 52°
Showers with thunderstorms also possible after 1pm. High near 52. East northeast wind around 15 mph with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
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Sunday Night
Showers Likely and Breezy
Low: 42°
Showers likely and possibly a thunderstorm before 10pm, then showers likely between 10pm and 1am. Cloudy with a low around 42. Breezy with a north northeast wind 11 to 16 mph becoming west northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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Monday
Sunny
High: 67°
Sunny with a high near 67. West northwest wind 9 to 11 mph with gusts as high as 20 mph.
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Monday Night
Mostly Clear then Slight Chance Showers
Low: 50°
A 20% chance of showers after 1am. Mostly clear with a low around 50.
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Tuesday
Chance Showers
High: 75°
A 40% chance of showers. Mostly sunny with a high near 75.
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Tuesday Night
Slight Chance T-storms
Low: 49°
A 20% chance of showers and thunderstorms. Partly cloudy with a low around 49.
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Wednesday
Mostly Sunny then Chance Showers
High: 75°
A 40% chance of showers after 1pm. Mostly sunny with a high near 75.
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Wednesday Night
Showers Likely
Low: 53°
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy with a low around 53. Chance of precipitation is 60%.
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Thursday
Showers Likely
High: 71°
Showers likely. Mostly cloudy with a high near 71. Chance of precipitation is 70%.
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Thursday Night
Showers Likely
Low: 51°
Showers likely. Mostly cloudy with a low around 51. Chance of precipitation is 60%.
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Friday
Chance Showers
High: 69°
A 50% chance of showers. Mostly cloudy with a high near 69.
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Source: National Weather Service
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