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

Dangerous Heat and Possible Flooding This Week

Hot temperatures and high humidity are forecast to continue across much of east Texas into the mid-Mississippi Valley through this week. Heavy to excessive rainfall occurring at times through Friday could bring areas of flooding across parts of the central Plains into the upper Midwest and Four Corners states. Read More >

Hazardous Weather Conditions

Current conditions at

Preston, Fillmore County Airport (KFKA)

Lat: 43.68°NLon: 92.17°WElev: 1270ft.

Mostly Cloudy

57°F

14°C

Humidity 100%
Wind Speed SE 10 G 20 mph
Barometer 29.86 in
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 14 Sep 8:55 pm CDT
Extended Forecast for

Harmony MN

  • Tonight

    Tonight: Showers and thunderstorms before 5am, then showers likely. Temperature rising to around 61 by 5am. Breezy, with a south wind 16 to 21 mph becoming southwest 10 to 15 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F⇑

    T-storms and
    Breezy

  • Tuesday

    Tuesday: Scattered showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 70. Northwest wind 8 to 13 mph. Chance of precipitation is 30%.

    High: 70 °F

    Scattered
    Showers then
    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51. Calm wind becoming northeast around 5 mph after midnight.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Isolated showers after 1pm. Partly sunny, with a high near 68. Southeast wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 68 °F

    Partly Sunny
    then Isolated
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Cloudy, with a low around 60. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 60 °F

    Scattered
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Scattered showers before 1pm. Mostly cloudy, with a high near 73. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.

    High: 73 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 60. Calm wind becoming southeast around 6 mph in the evening.

    Low: 60 °F

    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 73. Southeast wind 8 to 11 mph. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 64. Southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 5am, then showers likely. Temperature rising to around 61 by 5am. Breezy, with a south wind 16 to 21 mph becoming southwest 10 to 15 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Scattered showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 70. Northwest wind 8 to 13 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 51. Calm wind becoming northeast around 5 mph after midnight.
Wednesday
Isolated showers after 1pm. Partly sunny, with a high near 68. Southeast wind 5 to 8 mph. Chance of precipitation is 20%.
Wednesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 60. Southeast wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Scattered showers before 1pm. Mostly cloudy, with a high near 73. Calm wind becoming north around 5 mph. Chance of precipitation is 30%.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60. Calm wind becoming southeast around 6 mph in the evening.
Friday
Showers and possibly a thunderstorm. High near 73. Southeast wind 8 to 11 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 64. Southeast wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Saturday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 73. Southwest wind 9 to 11 mph becoming northwest in the afternoon. Chance of precipitation is 70%.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59. Northeast wind 7 to 9 mph.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 67. Northeast wind around 10 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Northeast wind around 6 mph.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 67. Northeast wind around 7 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Harmony MN
 43.56°N 92.02°W
Last Update:
8:21 pm CDT Sep 14, 2026
Forecast Valid:
9pm CDT Sep 14, 2026-6pm CDT Sep 21, 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