National Weather Service Forecast for: Mankato MN
Issued by: National Weather Service Twin Cities/Chanhassen, MN
Updated: 8:16 pm CDT Sep 12, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm.
Partly Cloudy

 Sunday

Sunday: A 30 percent chance of showers, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming north northwest around 5 mph in the morning.
Chance
Showers

 Sunday
Night
Sunday Night: Mostly clear, with a low around 53. North wind around 5 mph becoming east southeast after midnight.
Mostly Clear

 Monday

Monday: Showers, with thunderstorms also possible after 1pm. High near 72. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and
Breezy

 Monday
Night
Monday Night: Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 58. South southeast wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Showers

 Tuesday

Tuesday: Mostly sunny, with a high near 72. Northwest wind 5 to 10 mph.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm.
Partly Cloudy

 Wednesday

Wednesday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 67. East wind around 5 mph.
Partly Sunny
then Slight
Chance
Showers
 Wednesday
Night
Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 56. East wind around 5 mph becoming calm in the evening.
Chance
Showers
Lo 53 °F Hi 71 °F Lo 53 °F Hi 72 °F Lo 58 °F Hi 72 °F Lo 52 °F Hi 67 °F Lo 56 °F

 

Tonight
 
 Partly cloudy, with a low around 53. Northwest wind around 5 mph becoming calm.
Sunday
 
 A 30 percent chance of showers, mainly before 11am. Mostly cloudy, then gradually becoming sunny, with a high near 71. Calm wind becoming north northwest around 5 mph in the morning.
Sunday Night
 
 Mostly clear, with a low around 53. North wind around 5 mph becoming east southeast after midnight.
Monday
 
 Showers, with thunderstorms also possible after 1pm. High near 72. Breezy, with a southeast wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
 
 Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 58. South southeast wind 5 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
 
 Mostly sunny, with a high near 72. Northwest wind 5 to 10 mph.
Tuesday Night
 
 Partly cloudy, with a low around 52. North northwest wind around 5 mph becoming calm.
Wednesday
 
 A 20 percent chance of showers after 1pm. Partly sunny, with a high near 67. East wind around 5 mph.
Wednesday Night
 
 A 50 percent chance of showers. Mostly cloudy, with a low around 56. East wind around 5 mph becoming calm in the evening.
Thursday
 
 A 30 percent chance of showers before 1pm. Partly sunny, with a high near 71. North northeast wind around 5 mph.
Thursday Night
 
 A 30 percent chance of showers. Partly cloudy, with a low around 54. East wind around 5 mph.
Friday
 
 A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 70. East southeast wind 5 to 10 mph.
Friday Night
 
 A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53. North northeast wind around 5 mph.
Saturday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 72. North northeast wind around 5 mph.

 

Forecast from NOAA-NWS for Mankato MN.