National Weather Service Forecast for: Mankato MN
Issued by: National Weather Service Twin Cities/Chanhassen, MN
Updated: 10:46 am CDT Jul 28, 2026
 
Today

Today: Patchy smoke before 1pm, then patchy smoke after 4pm. Mostly sunny, with a high near 88. South southeast wind around 5 mph.
Patchy Smoke

 Tonight

Tonight: Patchy smoke before 9pm, then patchy smoke after 11pm. Partly cloudy, with a low around 70. East southeast wind around 5 mph becoming calm in the evening.
Patchy Smoke

 Wednesday

Wednesday: Patchy smoke before 1pm. Mostly sunny, with a high near 91. Heat index values as high as 95. South wind 5 to 10 mph.
Patchy Smoke

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 70. South wind around 5 mph.
Partly Cloudy

 Thursday

Thursday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 91. South wind 5 to 10 mph. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Thursday
Night
Thursday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. South southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain

 Friday

Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely

 Friday
Night
Friday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 63. North wind 5 to 10 mph.
Slight Chance
Showers

 Saturday

Saturday: Sunny, with a high near 85. North wind around 5 mph.
Sunny
Hi 88 °F Lo 70 °F Hi 91 °F Lo 70 °F Hi 91 °F Lo 67 °F Hi 82 °F Lo 63 °F Hi 85 °F

 

Today
 
 Patchy smoke before 1pm, then patchy smoke after 4pm. Mostly sunny, with a high near 88. South southeast wind around 5 mph.
Tonight
 
 Patchy smoke before 9pm, then patchy smoke after 11pm. Partly cloudy, with a low around 70. East southeast wind around 5 mph becoming calm in the evening.
Wednesday
 
 Patchy smoke before 1pm. Mostly sunny, with a high near 91. Heat index values as high as 95. South wind 5 to 10 mph.
Wednesday Night
 
 Partly cloudy, with a low around 70. South wind around 5 mph.
Thursday
 
 A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 91. South wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
 
 Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 67. South southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.
Friday
 
 Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 82. Northeast wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
 
 A 20 percent chance of showers before 1am. Partly cloudy, with a low around 63. North wind 5 to 10 mph.
Saturday
 
 Sunny, with a high near 85. North wind around 5 mph.
Saturday Night
 
 Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.
Sunday
 
 Sunny, with a high near 86. Light east wind becoming southeast 5 to 10 mph in the morning.
Sunday Night
 
 Mostly clear, with a low around 65. Southeast wind 5 to 10 mph.
Monday
 
 Sunny, with a high near 88. South southeast wind 10 to 15 mph.

 

Forecast from NOAA-NWS for Mankato MN.