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

Severe Thunderstorms and Heavy Rainfall From the Southern High Plains into the Lower Mississippi Valley

Strong to severe thunderstorms capable of producing large hail, gusty winds and heavy rainfall will be possible over the next few days from New Mexico to Texas, into western Mississippi. Additional heavy rainfall over previously saturated soils may lead to flash and urban flooding. Isolated thunderstorms will also be possible across portions of the Midwest. Read More >

Hazardous Weather Conditions

Current conditions at

Great Falls, Great Falls International Airport (KGTF)

Lat: 47.47333°NLon: 111.38222°WElev: 3675.0ft.

haze

61°F

16°C

Humidity 51%
Wind Speed WSW 10 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 43°F (6°C)
Visibility 3.50 mi
Last update 12 May 10:20 AM MDT
Extended Forecast for

Great Falls MT

Flood Watch May 12, 10:47am until May 13, 12:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 12, 10:47am until May 13, 12:00pm

    NOW until 12:00pm Mon

    Flood Watch

  • Today

    High: 79 °F

    Haze then
    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 48. Southwest wind 6 to 9 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 79. West southwest wind 9 to 18 mph, with gusts as high as 29 mph.

    High: 79 °F

    Sunny then
    Chance Rain

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. West wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.

    Low: 49 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63. Northwest wind 7 to 11 mph. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. Northwest wind 6 to 9 mph becoming southwest after midnight.

    Low: 43 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 70. Southwest wind 6 to 11 mph becoming west northwest in the afternoon.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before midnight. Mostly cloudy, with a low around 49. West northwest wind around 10 mph becoming south southwest in the evening.

    Low: 49 °F

    Chance Rain

Detailed Forecast

Today
A slight chance of showers between 2pm and 5pm. Widespread haze before noon. Mostly sunny, with a high near 79. West southwest wind 6 to 8 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 48. Southwest wind 6 to 9 mph.
Monday
A 30 percent chance of rain, mainly after 5pm. Increasing clouds, with a high near 79. West southwest wind 9 to 18 mph, with gusts as high as 29 mph.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 49. West wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Tuesday
Rain likely before noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63. Northwest wind 7 to 11 mph. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 43. Northwest wind 6 to 9 mph becoming southwest after midnight.
Wednesday
A 20 percent chance of rain after noon. Mostly sunny, with a high near 70. Southwest wind 6 to 11 mph becoming west northwest in the afternoon.
Wednesday Night
A chance of rain, mainly before midnight. Mostly cloudy, with a low around 49. West northwest wind around 10 mph becoming south southwest in the evening.
Thursday
A chance of rain, mainly after noon. Partly sunny, with a high near 73.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 45.
Friday
A chance of rain. Partly sunny, with a high near 66.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39.
Saturday
A chance of rain. Partly sunny, with a high near 60.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Great Falls MT
 47.49°N 111.31°W (Elev. 3399 ft)
Last Update:
9:03 am MDT May 12, 2024
Forecast Valid:
10am MDT May 12, 2024-6pm MDT May 18, 2024
 
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