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

Hazardous Weather Conditions

Current conditions at

Preston, Fillmore County Airport (KFKA)

Lat: 43.68°NLon: 92.17°WElev: 1270ft.

A Few Clouds

81°F

27°C

Humidity 94%
Wind Speed S 10 G 17 mph
Barometer 29.77 in
Dewpoint 79°F (26°C)
Visibility 9.00 mi
Heat Index89°F (32°C)
Last update 30 Jun 1:15 am CDT
Extended Forecast for

Whalan MN

Extreme Heat Warning June 30, 01:18am until July 1, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 01:18am until July 1, 07:00pm

    NOW until 7:00pm Wed

    Extreme Heat Warning

  • Overnight

    Low: 75 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 92 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 71. Southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Partly Cloudy
    then Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 8am, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 88. Heat index values as high as 97. South wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Showers
    Likely then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 69. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 69 °F

    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 88. Southwest wind around 6 mph. Chance of precipitation is 30%.

    High: 88 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 69. South wind around 6 mph. Chance of precipitation is 80%.

    Low: 69 °F

    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 5am, then scattered showers and thunderstorms after 5am. Mostly cloudy, with a low around 75. Southwest wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms before 8am, then a slight chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 92. Heat index values as high as 102. Southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Partly cloudy, with a low around 71. Southwest wind 6 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 8am, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 88. Heat index values as high as 97. South wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 69. Southwest wind 9 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Partly sunny, with a high near 88. Southwest wind around 6 mph. Chance of precipitation is 30%.
Thursday Night
Showers and possibly a thunderstorm. Low around 69. South wind around 6 mph. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68. South wind 5 to 7 mph becoming light and variable after midnight.
Independence Day
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86. Southeast wind 6 to 8 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66. East wind 5 to 8 mph.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northeast wind 6 to 8 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64. Northeast wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 84. Calm wind becoming east around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Whalan MN
 43.74°N 91.93°W
Last Update:
12:16 am CDT Jun 30, 2026
Forecast Valid:
1am CDT Jun 30, 2026-6pm CDT Jul 6, 2026
 
Forecast Discussion
 
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Additional Resources

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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