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Castalia, IA
 19° 
Last Updated on Feb 20 2018, 6:55 pm CST
Current ConditionsOvercast
Relative Humidity86%
Windfrom the West at 8.1 gusting to 17.3 MPH
(7 gusting to 15 KT)
Pressure30.15 mb
Dewpoint15.8 F (-9.0 C)
Wind Chill9 F (-13 C)
Visibility10.00 miles

7-Day Forecast

Tonight
Gradual Clearing
Low:
Cloudy during the early evening,
then gradual clearing with a low around 9.
Wind chill values as low as -4.
Northwest wind 10 to 13 mph.


Wednesday
Sunny
High: 23°
Sunny with a high near 23.
Wind chill values as low as -4.
Northwest wind 5 to 9 mph.


Wednesday Night
Partly Cloudy then Slight Chance Snow
Low: 15°
A 20% chance of snow after midnight.
Mostly cloudy with a low around 15.
Northeast wind 5 to 7 mph.


Thursday
Chance Snow then Chance Wintry Mix
High: 30°
A chance of snow before 4pm,
then a chance of snow and freezing rain.
Mostly cloudy with a high near 30.
East wind 7 to 10 mph.
Chance of precipitation is 40%.
New snow accumulation of less than a half inch possible.


Thursday Night
Wintry Mix Likely
Low: 26°
Snow and freezing rain likely before 11pm,
then freezing rain likely, possibly mixed with sleet
between 11pm and 1am,
then freezing rain likely after 1am.
Cloudy with a low around 26.
East wind 5 to 9 mph becoming
southwest after midnight.
Chance of precipitation is 60%.
New ice accumulation of less than a 0.
1 of an inch possible.
New snow and sleet accumulation of less than a half inch possible.


Friday
Partly Sunny
High: 35°
Partly sunny with a high near 35.
Southwest wind 5 to 8 mph becoming
northwest in the afternoon.


Friday Night
Mostly Cloudy
Low: 20°
Mostly cloudy with a low around 20.
Northwest wind around 7 mph becoming
northeast after midnight.


Saturday
Partly Sunny then Rain/Snow Likely
High: 36°
Snow likely after noon, mixing with rain after 1pm.
Partly sunny with a high near 36.
East wind 7 to 9 mph.
Chance of precipitation is 70%.


Saturday Night
Rain/Snow Likely then Chance Snow
Low: 23°
Rain and snow likely, becoming all snow after 7pm.
Mostly cloudy with a low around 23.
Northeast wind 9 to 13 mph becoming
northwest after midnight.
Chance of precipitation is 60%.


Sunday
Mostly Sunny
High: 35°
Mostly sunny with a high near 35.
West wind 9 to 13 mph.


Sunday Night
Partly Cloudy
Low: 19°
Partly cloudy with a low around 19.
Southwest wind 7 to 9 mph.


Monday
Partly Sunny then Slight Chance Rain/Snow
High: 36°
A slight chance of rain and snow.
Mostly sunny with a high near 36.
Southwest wind 7 to 9 mph.
Chance of precipitation is 20%.


Monday Night
Slight Chance Snow then Partly Cloudy
Low: 21°
A 20% chance of snow.
Partly cloudy with a low around 21.
West wind 8 to 11 mph.


Tuesday
Mostly Sunny
High: 38°
Mostly sunny with a high near 38.
Southwest wind around 9 mph becoming
north in the afternoon.


Source: National Weather Service








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