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Temperatures are expected to be near normal for this time of year, with highs around 55°F and lows around 35°F.
1987 - Halloween was a wet one in the southwestern U.S. Heavy rain in southern California resulted in numerous mudslides. Weather-related auto accidents resulted in three deaths and twenty-five injuries. Mount Wilson CA received 3.14 inches of rain in 24 hours. Yakima WA reported measurable rainfall for the first time since the 18th of July. The 103 day long dry spell was their longest of record.
More on this and other weather history
 
Day: Mostly sunny. High near 54, with temperatures falling to around 52 in the afternoon. West wind 5 to 15 mph.
 
Night: A slight chance of rain showers after 7pm. Partly cloudy, with a low around 33. West wind 5 to 10 mph. Chance of precipitation is 20%.
 
Day: A slight chance of rain showers before 7am, then a slight chance of rain and snow showers. Partly sunny, with a high near 48. Northwest wind around 5 mph. Chance of precipitation is 20%.
 
Night: A slight chance of rain showers before 7pm. Partly cloudy, with a low around 31.
 
Day: Sunny, with a high near 53.
 
Night: A slight chance of rain showers after midnight. Partly cloudy, with a low around 40.
 
Day: Sunny, with a high near 60.
 
Night: Mostly clear, with a low around 35.
 
Day: Mostly sunny, with a high near 62.
 
Night: Partly cloudy, with a low around 47.
 
Day: Sunny, with a high near 65.
 
Night: Mostly clear, with a low around 37.
 
Day: Sunny, with a high near 59.
 
   
Thu's High Temperature
98 at 2 Miles West Of Pala, CA and 6 Miles West-southwest Of Glamis, CA
Thu's Low Temperature
10 at 4 Miles Northwest Of Grand Lake, CO and 2 Miles Southwest Of Canyon Village, WY

Osco is an census designated place in Osco Township, Henry County, Illinois, United States.
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