National Weather Service Forecast for: Owatonna MN
Issued by: National Weather Service Twin Cities/Chanhassen, MN
Updated: 2:01 pm CDT Jul 16, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 5pm.  Patchy smoke. Mostly sunny, with a high near 89. Heat index values as high as 95. South southwest wind around 5 mph.
Chance
T-storms

Tonight

Tonight: A 10 percent chance of showers and thunderstorms before 7pm.  Patchy smoke after 11pm. Patchy fog before 4am, then patchy fog after 5am.  Otherwise, mostly clear, with a low around 68. Calm wind becoming south around 5 mph after midnight.
Slight Chance
T-storms then
Patchy Fog
Friday

Friday: Patchy smoke before 10am. Patchy fog before 7am.  Otherwise, sunny, with a high near 89. Southwest wind 5 to 10 mph.
Patchy Fog
then Sunny

Friday
Night
Friday Night: Patchy smoke between 1am and 3am. Mostly clear, with a low around 70. Southwest wind 5 to 10 mph becoming northwest after midnight.
Mostly Clear
then Patchy
Smoke
Saturday

Saturday: Sunny, with a high near 85. North wind 5 to 10 mph.
Sunny

Saturday
Night
Saturday Night: Mostly clear, with a low around 63. North wind around 5 mph becoming calm  in the evening.
Mostly Clear

Sunday

Sunday: Mostly sunny, with a high near 85. South wind around 5 mph.
Mostly Sunny

Sunday
Night
Sunday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am.  Partly cloudy, with a low around 69. South wind 10 to 15 mph.
Slight Chance
T-storms then
Chance
T-storms
Monday

Monday: A 20 percent chance of showers and thunderstorms before 1pm.  Mostly sunny, with a high near 88. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Slight Chance
T-storms

Hi 89 °F Lo 68 °F Hi 89 °F Lo 70 °F Hi 85 °F Lo 63 °F Hi 85 °F Lo 69 °F Hi 88 °F

Hazardous Weather Outlook
Air Quality Alert
 

This Afternoon
 
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Patchy smoke. Mostly sunny, with a high near 89. Heat index values as high as 95. South southwest wind around 5 mph.
Tonight
 
A 10 percent chance of showers and thunderstorms before 7pm. Patchy smoke after 11pm. Patchy fog before 4am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 68. Calm wind becoming south around 5 mph after midnight.
Friday
 
Patchy smoke before 10am. Patchy fog before 7am. Otherwise, sunny, with a high near 89. Southwest wind 5 to 10 mph.
Friday Night
 
Patchy smoke between 1am and 3am. Mostly clear, with a low around 70. Southwest wind 5 to 10 mph becoming northwest after midnight.
Saturday
 
Sunny, with a high near 85. North wind 5 to 10 mph.
Saturday Night
 
Mostly clear, with a low around 63. North wind around 5 mph becoming calm in the evening.
Sunday
 
Mostly sunny, with a high near 85. South wind around 5 mph.
Sunday Night
 
A 50 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. South wind 10 to 15 mph.
Monday
 
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88. Southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 25 mph.
Monday Night
 
Mostly clear, with a low around 65. North wind 10 to 15 mph.
Tuesday
 
Sunny, with a high near 81. North northwest wind 10 to 15 mph.
Tuesday Night
 
Partly cloudy, with a low around 59. North wind 5 to 10 mph becoming east after midnight.
Wednesday
 
Mostly sunny, with a high near 80. East wind 5 to 10 mph becoming south in the afternoon.

 

Forecast from NOAA-NWS for Owatonna MN.