Severe Thunderstorms and Heavy Rainfall for the Southwest; Heat Spreads Across the Center of the Nation

Moisture will continue to move into areas of the West. This will increase showers and thunderstorms coverage and intensity, with the risk of flash flooding and damaging wind gusts. Meanwhile, heat across the Southwest will expand into the center of the nation this weekend into early next week. Trends favor this heat will spread across the Ohio Valley, mid-Atlantic next week. Read More >

Current conditions at

Owatonna Degner Regional Airport (KOWA)

Lat: 44.12°NLon: 93.26°WElev: 1129ft.

Fair

74°F

23°C

Humidity 80%
Wind Speed SE 7 mph
Barometer 29.82 in
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 29 Aug 7:35 pm CDT
Extended Forecast for

Owatonna MN

  • Tonight

    Tonight: Increasing clouds, with a low around 69. South wind around 5 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 87. South southeast wind 5 to 10 mph.

    High: 87 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 72. Southeast wind around 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 86. South wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms after 1am.  Partly cloudy, with a low around 67. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 67 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 84. Calm wind becoming southwest around 5 mph.

    High: 84 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 67. East northeast wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm.  Partly sunny, with a high near 83. North northeast wind around 5 mph.

    High: 83 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 65. North wind around 5 mph becoming east southeast after midnight.

    Low: 65 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 69. South wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 87. South southeast wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 72. Southeast wind around 10 mph.
Monday
Partly sunny, with a high near 86. South wind 5 to 10 mph becoming west southwest in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 84. Calm wind becoming southwest around 5 mph.
Tuesday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. East northeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 83. North northeast wind around 5 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 65. North wind around 5 mph becoming east southeast after midnight.
Thursday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. South southeast wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. Southeast wind around 5 mph.
Friday
Mostly sunny, with a high near 83. South southeast wind 5 to 10 mph.
Friday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66. South southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83. South southeast wind around 10 mph.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Owatonna MN
 44.1°N 93.23°W (Elev. 1158 ft)
6:01 pm CDT Aug 29, 2026
7pm CDT Aug 29, 2026-6pm CDT Sep 5, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database