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

Excessive Rainfall and Significant Flooding in the Upper Midwest This Weekend

Heavy to excessive rainfall is expected over the weekend across eastern Iowa, northern Missouri, northwest Illinois and southern Wisconsin. Numerous flash floods, some with significant impacts, are expected in these areas. Heaviest rainfall will occur overnight Saturday and Sunday, so be sure to have multiple ways to receive warnings. Read More >

Current conditions at

CROSBY (KD50)

Lat: 48.93°NLon: 103.3°WElev: 1952ft.

A Few Clouds

55°F

13°C

Humidity 94%
Wind Speed SW 5 mph
Barometer 29.79 in
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 8 Aug 10:15 pm CDT
Extended Forecast for

Portal ND

  • Tonight

    Tonight: A slight chance of showers between 3am and 5am. Partly cloudy, with a low around 54. Southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 54 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 68. Breezy, with a west wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 53. Breezy, with a west wind 17 to 21 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Chance
    Showers and
    Breezy then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 76. West wind 15 to 18 mph, with gusts as high as 28 mph.

    High: 76 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56. West wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. West wind 10 to 15 mph, with gusts as high as 24 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 78. Southwest wind 6 to 8 mph.

    High: 78 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55. Northwest wind 6 to 9 mph becoming south after midnight.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 3am and 5am. Partly cloudy, with a low around 54. Southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Saturday
A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 68. Breezy, with a west wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, with a low around 53. Breezy, with a west wind 17 to 21 mph, with gusts as high as 30 mph.
Sunday
Mostly sunny, with a high near 76. West wind 15 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly cloudy, with a low around 56. West wind 8 to 13 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 76. West wind 10 to 15 mph, with gusts as high as 24 mph.
Monday Night
Partly cloudy, with a low around 53. Northwest wind 6 to 11 mph, with gusts as high as 18 mph.
Tuesday
Mostly sunny, with a high near 78. Southwest wind 6 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 55. Northwest wind 6 to 9 mph becoming south after midnight.
Wednesday
Mostly sunny, with a high near 80. South wind 10 to 13 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 56. Southeast wind around 10 mph.
Thursday
Mostly sunny, with a high near 79. Southeast wind 8 to 11 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 55. Southeast wind around 10 mph.
Friday
Partly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Portal ND
 48.99°N 102.55°W
Last Update:
9:51 pm CDT Aug 8, 2025
Forecast Valid:
10pm CDT Aug 8, 2025-6pm CDT Aug 15, 2025
 
Forecast Discussion
 
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Additional Resources

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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