Severe Thunderstorms and Excessive Rainfall in the Eastern U.S. Tuesday; Hot Weather for Southern California

Severe thunderstorms are likely across portions of the Mid-South, Tennessee Valley, and lower Ohio River Valley Tuesday, including damaging winds and tornadoes, a few of which could be strong. Heavy to excessive rainfall, which may lead to flooding, is expected over the lower Ohio Valley Tuesday. An extended period of hot weather is forecast for parts of coastal southern California this week. Read More >

Current conditions at

LITTLE BIGHORN (LBHM8)

Lat: 45.56992°NLon: 107.43623°WElev: 3197.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 20 May 12:59 AM MDT
Extended Forecast for

3 Miles NE Fort Smith MT

Flood Advisory until May 20, 06:00am
Click here for hazard details and duration
Flood Advisory
  •  
    Flood Advisory until May 20, 06:00am

    NOW until 6:00am Tue

    Flood Advisory

  • Overnight

    Low: 40 °F

    Patchy Fog

  • Tuesday

    Tuesday: Scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm.  Patchy fog before 9am.  Otherwise, increasing clouds, with a high near 64. West southwest wind 6 to 11 mph becoming west northwest 13 to 18 mph in the afternoon.  Chance of precipitation is 60%.

    High: 64 °F

    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and 3am.  Mostly cloudy, with a low around 40. West northwest wind 6 to 10 mph becoming southwest in the evening.  Chance of precipitation is 40%.

    Low: 40 °F

    Scattered
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after noon.  Mostly sunny, with a high near 63. West northwest wind 8 to 14 mph.

    High: 63 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41. Northwest wind 5 to 8 mph becoming south southeast in the evening.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 73. South wind 6 to 13 mph becoming east southeast in the afternoon.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers.  Partly cloudy, with a low around 47. East southeast wind 9 to 13 mph becoming west after midnight.  Chance of precipitation is 60%.

    Low: 47 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers after noon.  Mostly sunny, with a high near 68. West wind 8 to 14 mph becoming north in the afternoon.

    High: 68 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 40. Calm wind becoming west southwest around 5 mph.
Tuesday
Scattered showers and thunderstorms between noon and 3pm, then showers likely and possibly a thunderstorm after 3pm. Patchy fog before 9am. Otherwise, increasing clouds, with a high near 64. West southwest wind 6 to 11 mph becoming west northwest 13 to 18 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Scattered showers and thunderstorms before 9pm, then isolated showers between 9pm and 3am. Mostly cloudy, with a low around 40. West northwest wind 6 to 10 mph becoming southwest in the evening. Chance of precipitation is 40%.
Wednesday
A 30 percent chance of showers, mainly after noon. Mostly sunny, with a high near 63. West northwest wind 8 to 14 mph.
Wednesday Night
Mostly clear, with a low around 41. Northwest wind 5 to 8 mph becoming south southeast in the evening.
Thursday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 73. South wind 6 to 13 mph becoming east southeast in the afternoon.
Thursday Night
Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Partly cloudy, with a low around 47. East southeast wind 9 to 13 mph becoming west after midnight. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers after noon. Mostly sunny, with a high near 68. West wind 8 to 14 mph becoming north in the afternoon.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 46. Northeast wind 5 to 14 mph.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 63. Light northwest wind becoming north 6 to 11 mph in the morning. Chance of precipitation is 70%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. Northeast wind 7 to 11 mph becoming west northwest after midnight. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 64. West northwest wind 7 to 13 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 45. North wind 6 to 10 mph becoming southwest after midnight.
Memorial Day
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 69. Southwest wind 5 to 11 mph becoming east northeast in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Fort Smith MT
 45.34°N 107.88°W (Elev. 3179 ft)
1:23 am MDT May 20, 2025
1am MDT May 20, 2025-6pm MDT May 26, 2025
 
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Additional Resources

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