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

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167.0ft.

Overcast

57°F

14°C

Humidity 62%
Wind Speed WSW 13 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 09 Aug 01:20 AM MDT
Extended Forecast for

Moore MT

  • Overnight

    Overnight: A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 50. West wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 71. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.

    High: 71 °F

    Breezy.
    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 47. Northwest wind 6 to 16 mph becoming south in the evening. Winds could gust as high as 26 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 77. South wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 77 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 51. Northwest wind 6 to 11 mph becoming south southwest after midnight.

    Low: 51 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 80. South southwest wind 7 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55. North wind 6 to 9 mph becoming south after midnight.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80. South wind 7 to 9 mph becoming northwest in the afternoon.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers between 3am and 4am. Mostly cloudy, with a low around 50. West wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday
A slight chance of showers between 2pm and 3pm. Partly sunny, with a high near 71. Breezy, with a northwest wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 47. Northwest wind 6 to 16 mph becoming south in the evening. Winds could gust as high as 26 mph.
Sunday
Mostly sunny, with a high near 77. South wind 6 to 13 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Sunday Night
Partly cloudy, with a low around 51. Northwest wind 6 to 11 mph becoming south southwest after midnight.
Monday
Sunny, with a high near 80. South southwest wind 7 to 9 mph becoming north northwest in the afternoon. Winds could gust as high as 18 mph.
Monday Night
Mostly clear, with a low around 55. North wind 6 to 9 mph becoming south after midnight.
Tuesday
Sunny, with a high near 80. South wind 7 to 9 mph becoming northwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Sunny, with a high near 83.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 82.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 50.
Friday
A slight chance of showers. Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Moore MT
 46.98°N 109.69°W (Elev. 4098 ft)
Last Update:
10:29 pm MDT Aug 8, 2025
Forecast Valid:
1am MDT Aug 9, 2025-6pm MDT Aug 15, 2025
 
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