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 >

Hazardous Weather Conditions

Current conditions at

Mankato, Mankato Regional Airport (KMKT)

Lat: 44.22°NLon: 93.92°WElev: 1020ft.

Overcast

61°F

16°C

Humidity 90%
Wind Speed NW 9 mph
Barometer 29.58 in (1001.7 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 18 Jun 12:56 am CDT
Extended Forecast for

Mankato MN

  • Overnight

    Overnight: Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Northwest wind 5 to 15 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51. Northwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 51 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 79. Light south southwest wind becoming west southwest 10 to 15 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Sunny then
    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. West northwest wind 5 to 10 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 59. East northeast wind around 5 mph.

    Low: 59 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 50 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 74. East northeast wind 10 to 15 mph.

    High: 74 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph.

    Low: 55 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 74. Northwest wind 5 to 15 mph.
Thursday Night
Mostly clear, with a low around 51. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Juneteenth
Showers likely and possibly a thunderstorm between 1pm and 2pm, then a chance of showers and thunderstorms after 2pm. Sunny, with a high near 79. Light south southwest wind becoming west southwest 10 to 15 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 54. West northwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 80. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 59. East northeast wind around 5 mph.
Sunday
A 50 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 74. East northeast wind 10 to 15 mph.
Sunday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 77. Northeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 57. East wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 79. South southwest wind 5 to 10 mph.
Tuesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 58. West southwest wind around 5 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 80. West southwest wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mankato MN
 44.17°N 94.01°W (Elev. 784 ft)
Last Update:
11:36 pm CDT Jun 17, 2026
Forecast Valid:
1am 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