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

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Preston, Fillmore County Airport (KFKA)

Lat: 43.68°NLon: 92.17°WElev: 1270ft.

Fog/Mist

61°F

16°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 29.95 in
Dewpoint 61°F (16°C)
Visibility 3.00 mi
Last update 19 Sep 8:35 pm CDT
Extended Forecast for

6 Miles S Saint Charles MN

  • Tonight

    Tonight: A 20 percent chance of showers before 10pm. Cloudy, with a low around 54. Northeast wind around 9 mph.

    Low: 54 °F

    Slight Chance
    Showers then
    Cloudy

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 67. Northeast wind 10 to 13 mph, with gusts as high as 22 mph.

    High: 67 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. East wind 8 to 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 60. Northeast wind around 10 mph.

    High: 60 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 45. Northeast wind 6 to 8 mph.

    Low: 45 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. East wind 6 to 8 mph.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. East wind 3 to 5 mph.

    Low: 43 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. East wind 3 to 6 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 48. Light east wind.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers before 10pm. Cloudy, with a low around 54. Northeast wind around 9 mph.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 67. Northeast wind 10 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Mostly cloudy, with a low around 48. East wind 8 to 10 mph.
Monday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 60. Northeast wind around 10 mph.
Monday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 45. Northeast wind 6 to 8 mph.
Tuesday
Mostly sunny, with a high near 60. East wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 43. East wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 64. East wind 3 to 6 mph.
Wednesday Night
Partly cloudy, with a low around 48. Light east wind.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 66. Calm wind becoming southeast around 5 mph.
Thursday Night
Mostly cloudy, with a low around 52. Calm wind.
Friday
Partly sunny, with a high near 70. Calm wind becoming southeast around 5 mph.
Friday Night
Partly cloudy, with a low around 54. Light southeast wind.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 70. South wind 3 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Saint Charles MN
 43.89°N 92.07°W
Last Update:
7:31 pm CDT Sep 19, 2026
Forecast Valid:
9pm CDT Sep 19, 2026-6pm CDT Sep 26, 2026
 
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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