National Weather Service Forecast for: Owatonna MN
Issued by: National Weather Service Twin Cities/Chanhassen, MN
Updated: 11:28 pm CDT Jul 25, 2025
 
Overnight

Overnight: Partly cloudy, with a low around 66. South southeast wind around 5 mph.
Partly Cloudy

Saturday

Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 84. South wind 5 to 10 mph.
Patchy Fog
then Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 69. South wind around 5 mph.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 88. Heat index values as high as 99. South wind 5 to 10 mph.
Sunny

Sunday
Night
Sunday Night: A 50 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 72. South wind around 5 mph.
Chance
T-storms
Monday

Monday: Sunny, with a high near 88. Southwest wind around 5 mph becoming north northwest in the afternoon.
Sunny

Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms after 1am.  Increasing clouds, with a low around 68. North wind around 5 mph becoming east northeast after midnight.
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 81. East 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 62. North northeast wind around 5 mph.
Chance
T-storms
Lo 66 °F Hi 84 °F Lo 69 °F Hi 88 °F Lo 72 °F Hi 88 °F Lo 68 °F Hi 81 °F Lo 62 °F

 

Overnight
 
Partly cloudy, with a low around 66. South southeast wind around 5 mph.
Saturday
 
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84. South wind 5 to 10 mph.
Saturday Night
 
Mostly clear, with a low around 69. South wind around 5 mph.
Sunday
 
Sunny, with a high near 88. Heat index values as high as 99. South wind 5 to 10 mph.
Sunday Night
 
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind around 5 mph.
Monday
 
Sunny, with a high near 88. Southwest wind around 5 mph becoming north northwest in the afternoon.
Monday Night
 
A 30 percent chance of showers and thunderstorms after 1am. Increasing clouds, with a low around 68. North wind around 5 mph becoming east northeast after midnight.
Tuesday
 
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 81. East northeast wind around 5 mph.
Tuesday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62. North northeast wind around 5 mph.
Wednesday
 
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 75. Northeast wind 5 to 10 mph.
Wednesday Night
 
Partly cloudy, with a low around 57. North northeast wind around 5 mph.
Thursday
 
Sunny, with a high near 74. East northeast wind around 5 mph.
Thursday Night
 
Partly cloudy, with a low around 55. East northeast wind around 5 mph becoming calm.
Friday
 
Mostly sunny, with a high near 75. Calm wind becoming southeast around 5 mph in the afternoon.

 

Forecast from NOAA-NWS for Owatonna MN.