National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Tropical Storm Arthur and Heavy Rainfall in the South; Severe Weather in the Midwest

An outbreak of severe thunderstorms is expected across portions of Illinois and Indiana tonight. Intense tornadoes, swaths of damaging gusts, and hail in excess of 2 inches in diameter possible. Tropical Storm Arthur will continue to produce strong winds across coastal Upper Texas and Louisiana tonight, as well as potentially life-threatening flooding across southern Louisiana into Mississippi. Read More >

Current conditions at

Owatonna Degner Regional Airport (KOWA)

Lat: 44.12°NLon: 93.26°WElev: 1129ft.

Fair

56°F

13°C

Humidity 100%
Wind Speed NW 8 mph
Barometer 29.59 in
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 18 Jun 2:35 am CDT
Extended Forecast for

Owatonna MN

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Northwest wind around 10 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 71. Northwest wind 10 to 15 mph.

    High: 71 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 49. Northwest wind 10 to 15 mph becoming light west northwest in the evening.

    Low: 49 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 76. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Sunny then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely before 7pm. Mostly clear, with a low around 52. West wind 5 to 10 mph. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75. North northwest wind around 5 mph.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55. North wind around 5 mph becoming east after midnight.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers. Partly sunny, with a high near 71. East northeast wind 5 to 10 mph.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 51. Northeast wind 5 to 10 mph.

    Low: 51 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Northwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 71. Northwest wind 10 to 15 mph.
Thursday Night
Mostly clear, with a low around 49. Northwest wind 10 to 15 mph becoming light west northwest in the evening.
Juneteenth
A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Increasing clouds, with a high near 76. West southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely before 7pm. Mostly clear, with a low around 52. West wind 5 to 10 mph. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 75. North northwest wind around 5 mph.
Saturday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 55. North wind around 5 mph becoming east after midnight.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 71. East northeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 51. Northeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 73. Northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 54. East northeast wind around 5 mph becoming south after midnight.
Tuesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 73. South southwest wind around 5 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56. South southwest wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77. West northwest wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Owatonna MN
 44.07°N 93.23°W (Elev. 1201 ft)
Last Update:
1:26 am CDT Jun 18, 2026
Forecast Valid:
2am CDT Jun 18, 2026-6pm CDT Jun 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation