Wind
5 mph
E
Local Forecast
Current conditions, 5-day forecast, and active NWS weather alerts for Williamson, IA.
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Hour-by-Hour Current Observation
Partly Cloudy
Wind
5 mph
E
UV Index
0
None
Humidity
100%
Dew 69°F
Sun
5:40 AM · 8:43 PM
Rise · Set
Source: CHARITON (KCNC). Slider scrubs the next 12 hours.
5-Day Outlook
Today
Chance of Thunderstorms
Overnight: Mostly Cloudy
Today
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 9am, then a chance of showers and thunderstorms between 9am and 10am, then a slight chance of showers and thunderstorms between 10am and 1pm. Partly sunny, with a high near 84. South wind around 8 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Night
Partly cloudy. Low around 67, with temperatures rising to around 69 overnight. South southwest wind around 7 mph. New rainfall amounts less than a tenth of an inch possible.
Tuesday
Mostly Cloudy
Overnight: Isolated T-storm
Tuesday
Mostly sunny, with a high near 89. Heat index values as high as 102. South wind 6 to 15 mph, with gusts as high as 22 mph. New rainfall amounts less than a tenth of an inch possible.
Night
A slight chance of showers and thunderstorms between 7pm and 1am. Mostly clear, with a low around 71. South southwest wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Wednesday
Chance of Scattered Thunderstorms
Overnight: Scattered Thunderstorms Likely
Wednesday
A chance of showers and thunderstorms after 1pm. Sunny, with a high near 90. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Night
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
Chance of Scattered Thunderstorms
Overnight: Chance of Showers
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 50%.
Night
A chance of showers and thunderstorms. Mostly clear, with a low around 60. Chance of precipitation is 50%.
Friday
Sunny
Overnight: Chance of Scattered Thunderstorms
Friday
A slight chance of rain showers before 7am. Sunny, with a high near 85.
Night
A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 64. Chance of precipitation is 30%.
Williamson, IA Weather Analysis Tools
Regional Radar
Composite reflectivity with Lightning overlay.
Regional Observations
Regional & historic weather conditions near Williamson, IA.
Active Alerts
Per-location alert detail and NWS source feeds.
Storm Reports
Recent storm reports including wind, hail, and tornadoes.
Model Analysis
Interactive forecast model guidance.
Satellite Imagery
GOES-East and GOES-West, visible and infrared.