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

Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Judith Gap US-191 MP 18.6 (MTJUD)

Lat: 46.68765°NLon: 109.75021°WElev: 4573.0ft.

NA

68°F

20°C

Humidity 45%
Wind Speed N 7 MPH
Barometer NA
Dewpoint 46°F (8°C)
Visibility NA
Last update 17 Aug 07:30 PM MDT
Extended Forecast for

Judith Gap MT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 51. North northwest wind 5 to 7 mph becoming light and variable.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms, mainly between noon and 4pm. Mostly sunny, with a high near 78. North northeast wind 5 to 8 mph becoming south in the morning.

    High: 78 °F

    Mostly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 50. North wind around 6 mph becoming west southwest after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 82. West wind 6 to 14 mph.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. Northwest wind 8 to 13 mph becoming light and variable.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 85. South southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 85 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 53. North wind 5 to 14 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 83. South wind 5 to 14 mph becoming east southeast in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. East southeast wind 11 to 16 mph.

    Low: 57 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, with a low around 51. North northwest wind 5 to 7 mph becoming light and variable.
Tuesday
A 40 percent chance of showers and thunderstorms, mainly between noon and 4pm. Mostly sunny, with a high near 78. North northeast wind 5 to 8 mph becoming south in the morning.
Tuesday Night
Mostly cloudy, with a low around 50. North wind around 6 mph becoming west southwest after midnight.
Wednesday
Sunny, with a high near 82. West wind 6 to 14 mph.
Wednesday Night
Mostly clear, with a low around 52. Northwest wind 8 to 13 mph becoming light and variable.
Thursday
Sunny, with a high near 85. South southwest wind 5 to 10 mph becoming northwest in the afternoon.
Thursday Night
Partly cloudy, with a low around 53. North wind 5 to 14 mph.
Friday
Mostly sunny, with a high near 83. South wind 5 to 14 mph becoming east southeast in the afternoon.
Friday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 57. East southeast wind 11 to 16 mph.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 83. South southeast wind 10 to 14 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55. South wind 8 to 13 mph becoming west northwest after midnight.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 82. West wind 7 to 13 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 53. West northwest wind 5 to 14 mph.
Monday
Sunny, with a high near 80. Southwest wind 6 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Judith Gap MT
 46.68°N 109.74°W (Elev. 4600 ft)
Last Update:
4:21 pm MDT Aug 17, 2026
Forecast Valid:
7pm MDT Aug 17, 2026-6pm MDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

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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