National Weather Service Forecast for: Ames IA
Issued by: National Weather Service Des Moines, IA
Updated: 10:44 pm CDT Sep 12, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 54. Light north northwest wind.
Partly Cloudy
 Sunday

Sunday: A 50 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 70. Calm wind becoming east northeast 5 to 7 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 56. East wind 3 to 7 mph.
Partly Cloudy
 Monday

Monday: A chance of showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and
Breezy
 Monday
Night
Monday Night: Showers and possibly a thunderstorm. Low around 66. Breezy, with a south southeast wind 12 to 17 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and
Breezy
 Tuesday

Tuesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 76. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers
 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Showers
Likely
 Wednesday

Wednesday: Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 90%.
Showers
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 62. Chance of precipitation is 80%.
Showers
Lo 54 °F Hi 70 °F Lo 56 °F Hi 80 °F Lo 66 °F Hi 76 °F Lo 59 °F Hi 67 °F Lo 62 °F

 

Overnight
 
 Partly cloudy, with a low around 54. Light north northwest wind.
Sunday
 
 A 50 percent chance of showers, mainly before 2pm. Partly sunny, with a high near 70. Calm wind becoming east northeast 5 to 7 mph in the morning. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
 
 Partly cloudy, with a low around 56. East wind 3 to 7 mph.
Monday
 
 A chance of showers and thunderstorms before 7am, then showers and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. High near 80. Breezy, with a southeast wind 13 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
 
 Showers and possibly a thunderstorm. Low around 66. Breezy, with a south southeast wind 12 to 17 mph becoming west 5 to 10 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
 
 Showers and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. High near 76. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
 
 Showers and possibly a thunderstorm. High near 67. Chance of precipitation is 90%.
Wednesday Night
 
 Showers and possibly a thunderstorm before 1am, then showers likely. Low around 62. Chance of precipitation is 80%.
Thursday
 
 A 50 percent chance of showers before 1pm. Mostly cloudy, with a high near 73.
Thursday Night
 
 A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Friday
 
 A 50 percent chance of showers. Partly sunny, with a high near 73.
Friday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 57.
Saturday
 
 Partly sunny, with a high near 71.

 

Forecast from NOAA-NWS for Ames IA.