National Weather Service Forecast for: Mankato MN
Issued by: National Weather Service Twin Cities/Chanhassen, MN
Updated: 4:36 am CDT Jun 22, 2026
 
Today

Today: Sunny, with a high near 80. Northeast wind around 5 mph becoming calm.
Sunny

 Tonight

Tonight: Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.
Partly Cloudy

 Tuesday

Tuesday: A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 80. South southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Partly Sunny
then Showers
Likely
 Tuesday
Night
Tuesday Night: Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 60. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Wednesday

Wednesday: Sunny, with a high near 78. West northwest wind 5 to 15 mph.
Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph.
Partly Cloudy

 Thursday

Thursday: Mostly sunny, with a high near 77. North northwest wind 5 to 10 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.
Mostly Clear

 Friday

Friday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79. Calm wind becoming east southeast around 5 mph in the afternoon.
Mostly Sunny
then Slight
Chance
Showers
Hi 80 °F Lo 59 °F Hi 80 °F Lo 60 °F Hi 78 °F Lo 55 °F Hi 77 °F Lo 56 °F Hi 79 °F

 

Today
 
 Sunny, with a high near 80. Northeast wind around 5 mph becoming calm.
Tonight
 
 Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.
Tuesday
 
 A slight chance of showers before 1pm, then a chance of showers and thunderstorms between 1pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 80. South southwest wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 Showers and possibly a thunderstorm before 1am, then a slight chance of showers. Low around 60. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Sunny, with a high near 78. West northwest wind 5 to 15 mph.
Wednesday Night
 
 Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph.
Thursday
 
 Mostly sunny, with a high near 77. North northwest wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.
Friday
 
 A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 79. Calm wind becoming east southeast around 5 mph in the afternoon.
Friday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. East southeast wind around 5 mph.
Saturday
 
 Partly sunny, with a high near 84. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southeast wind around 15 mph, with gusts as high as 30 mph.
Sunday
 
 A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 90. Breezy, with a south southeast wind 15 to 20 mph, with gusts as high as 30 mph.

 

Forecast from NOAA-NWS for Mankato MN.