National Weather Service Forecast for: Mankato MN
Issued by: National Weather Service Twin Cities/Chanhassen, MN
Updated: 5:47 pm CDT Jul 25, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 68. South southeast wind around 5 mph.
Mostly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 89. Heat index values as high as 99. South wind 5 to 10 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 71. South wind around 5 mph.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 92. Heat index values as high as 108. South wind 5 to 10 mph.
Sunny

 Sunday
Night
Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. South wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
T-storms
 Monday

Monday: Sunny, with a high near 91. Southwest wind around 5 mph becoming north in the afternoon.
Sunny

 Monday
Night
Monday Night: A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 70. Northeast wind around 5 mph.
Mostly Clear
then Chance
T-storms
 Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83. North northeast wind around 5 mph.
Chance
T-storms
 Tuesday
Night
Tuesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northeast wind around 5 mph.
Chance
T-storms
Lo 68 °F Hi 89 °F Lo 71 °F Hi 92 °F Lo 73 °F Hi 91 °F Lo 70 °F Hi 83 °F Lo 64 °F

 

Tonight
 
 Mostly cloudy, with a low around 68. South southeast wind around 5 mph.
Saturday
 
 Mostly sunny, with a high near 89. Heat index values as high as 99. South wind 5 to 10 mph.
Saturday Night
 
 Mostly clear, with a low around 71. South wind around 5 mph.
Sunday
 
 Sunny, with a high near 92. Heat index values as high as 108. South wind 5 to 10 mph.
Sunday Night
 
 A 50 percent chance of showers and thunderstorms. Mostly clear, with a low around 73. South wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
 
 Sunny, with a high near 91. Southwest wind around 5 mph becoming north in the afternoon.
Monday Night
 
 A 40 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 70. Northeast wind around 5 mph.
Tuesday
 
 A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83. North northeast wind around 5 mph.
Tuesday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. North northeast wind around 5 mph.
Wednesday
 
 A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 78. Northeast wind 5 to 10 mph.
Wednesday Night
 
 Partly cloudy, with a low around 59. Northeast wind around 5 mph.
Thursday
 
 Sunny, with a high near 78. East northeast wind around 5 mph.
Thursday Night
 
 Partly cloudy, with a low around 57. East wind around 5 mph becoming calm.
Friday
 
 Mostly sunny, with a high near 78. Calm wind becoming south southeast around 5 mph in the morning.

 

Forecast from NOAA-NWS for Mankato MN.