Ontario IA Weather

Fair Temp: 18°F

Humidity: 68% Wind Speed: NW 15 MPH Barometer: 29.60 in. Dewpoint: 9°F Heat Index: 18°F Wind Chill: 4°F

Civil Twilight:	7:11 AM CST	Moon Phase: Waxing Gibbous Moon
Sunrise:	7:43 AM CST
Sunset:	4:58 PM CST
Civil Twilight:	5:29 PM CST

Includes the Counties: Marshall, Story
Includes the Cities: Ames, Marshalltown

Tonight...Mostly cloudy early in the evening then becoming partly cloudy. Low 5 to 10 above. Northwest wind 10 to 15 mph with gusts to around 25 mph.
Thursday...Partly sunny. High in the lower 20s. Northwest wind 5 to 10 mph shifting to the southwest in the afternoon.
Thursday Night...Partly cloudy early in the evening then becoming mostly cloudy. A 20 percent chance of light snow and light sleet after midnight. Not as cold. Low around 20. Southeast wind 5 to 15 mph.
Friday...Mostly cloudy. A slight chance of light freezing rain in the morning...Then a chance of light sleet and light snow in the afternoon. Not as cold. High in the mid 30s. East wind 5 to 10 mph shifting to the northeast 10 to 15 mph in the afternoon. Chance of precipitation 40 percent.
Friday Night...Cloudy with a chance of snow in the evening...Then partly cloudy with a slight chance of snow after midnight. Colder. Low around 10. North wind 15 to 20 mph with gusts to around 30 mph. Chance of snow 30 percent.
Saturday...Partly cloudy. Colder. High 15 to 20. Low 5 to 10 above.
Saturday Night...Partly cloudy. Colder. High 15 to 20. Low 5 to 10 above.
Sunday...Mostly cloudy. High in the upper 20s.
Sunday Night...Partly cloudy with isolated light snow showers. Low around 15. Chance of snow 20 percent.
Monday...Partly sunny with a 20 percent chance of snow. High in the upper 20s.
Monday Night...Partly cloudy. Colder...Flurries. Low zero to 5 above.
Tuesday...Partly cloudy. Windy. High around 15. Low near zero.
Wednesday...Partly cloudy. Windy. High around 15. Low near zero.