Heavy Rainfall Across South Texas; Heat in the West

Excessive rainfall may produce locally considerable flash flooding over parts of South Texas, the western Gulf Coast, and Lower Mississippi River Valley through Thursday. Hot temperatures will persist over central and northern California and the Pacific Northwest through today. Read More >

Current conditions at

Comertown Turn-Off MT-5 MP 13.4 (MTCOM)

Lat: 48.81°NLon: 104.2529°WElev: 2359.0ft.

NA

55°F

13°C

Humidity 54%
Wind Speed WSW 13 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 16 Jun 02:32 AM MDT
Extended Forecast for

9 Miles WSW Westby MT

  • Overnight

    Overnight: Mostly cloudy, with a low around 48. Southwest wind 6 to 9 mph.

    Low: 48 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm.  Mostly cloudy, with a high near 75. Southwest wind 9 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph.  Chance of precipitation is 70%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms.  Low around 50. Breezy, with a west northwest wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph.  Chance of precipitation is 100%.

    Low: 50 °F

    Showers and
    Breezy

  • Wednesday

    Wednesday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 63. Breezy, with a northwest wind 20 to 26 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%.

    High: 63 °F

    Showers and
    Breezy then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before midnight.  Mostly cloudy, with a low around 45. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.

    Low: 45 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after noon.  Partly sunny, with a high near 66. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.

    High: 66 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 45. West northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 45 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 71. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.

    High: 71 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47. North northwest wind 7 to 10 mph becoming east after midnight.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 48. Southwest wind 6 to 9 mph.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 75. Southwest wind 9 to 14 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms. Low around 50. Breezy, with a west northwest wind 11 to 16 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%.
Wednesday
Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 63. Breezy, with a northwest wind 20 to 26 mph, with gusts as high as 37 mph. Chance of precipitation is 90%.
Wednesday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 45. Northwest wind 10 to 18 mph, with gusts as high as 28 mph.
Thursday
A 50 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 66. Northwest wind 11 to 15 mph, with gusts as high as 23 mph.
Thursday Night
Partly cloudy, with a low around 45. West northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 71. Northwest wind 7 to 11 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 47. North northwest wind 7 to 10 mph becoming east after midnight.
Saturday
A 20 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 73. East southeast wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East wind 18 to 21 mph, with gusts as high as 30 mph.
Sunday
A chance of showers. Mostly cloudy, with a high near 68. Breezy.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 47. Breezy.
Monday
A chance of showers. Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WSW Westby MT
 48.82°N 104.24°W (Elev. 2297 ft)
12:46 am MDT Jun 16, 2026
2am MDT Jun 16, 2026-6pm MDT Jun 22, 2026
 
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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