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Hurricane Ian to Bring Considerable Impacts to the Southeast

Hurricane Ian is expected to make landfall today in the Southeast. Life-threatening storm surge and rip currents, heavy rain and flash flooding, tornadoes, and hurricane-force winds can be expected along the South Carolina coast and into North Carolina. Read More >

Current conditions at

Lewistown, Lewistown Municipal Airport (KLWT)

Lat: 47.04917°NLon: 109.46639°WElev: 4167ft.

Clear

50°F

10°C

Humidity 87%
Wind Speed WSW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 29 Sep 11:05 PM MDT
Extended Forecast for

Lewistown MT

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 5am. Cloudy, with a low around 48. West wind 6 to 8 mph.

    Chance
    Showers

    Low: 48 °F

  • Friday

    Friday: Showers, with thunderstorms also possible after 3pm. High near 58. West northwest wind 7 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Showers

    High: 58 °F

  • Friday
    Night

    Friday Night: Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Low around 45. Northwest wind 5 to 9 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Showers

    Low: 45 °F

  • Saturday

    Saturday: Showers. High near 54. Northeast wind 6 to 9 mph. Chance of precipitation is 90%.

    Showers

    High: 54 °F

  • Saturday
    Night

    Saturday Night: Showers likely, mainly before midnight. Cloudy, with a low around 43. East southeast wind 3 to 8 mph. Chance of precipitation is 70%.

    Showers
    Likely then
    Chance
    Showers

    Low: 43 °F

  • Sunday

    Sunday: Showers likely, mainly after noon. Mostly cloudy, with a high near 59. Light and variable wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%.

    Showers
    Likely

    High: 59 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 42. North northwest wind around 6 mph becoming southwest in the evening.

    Chance
    Showers then
    Mostly Cloudy

    Low: 42 °F

  • Monday

    Monday: A slight chance of showers. Partly sunny, with a high near 63. West southwest wind 6 to 9 mph becoming northwest in the afternoon.

    Slight Chance
    Showers

    High: 63 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 41.

    Mostly Clear

    Low: 41 °F

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 5am. Cloudy, with a low around 48. West wind 6 to 8 mph.
Friday
Showers, with thunderstorms also possible after 3pm. High near 58. West northwest wind 7 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 9pm, then showers between 9pm and midnight, then showers likely and possibly a thunderstorm after midnight. Low around 45. Northwest wind 5 to 9 mph becoming light and variable. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 54. Northeast wind 6 to 9 mph. Chance of precipitation is 90%.
Saturday Night
Showers likely, mainly before midnight. Cloudy, with a low around 43. East southeast wind 3 to 8 mph. Chance of precipitation is 70%.
Sunday
Showers likely, mainly after noon. Mostly cloudy, with a high near 59. Light and variable wind becoming west around 6 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 42. North northwest wind around 6 mph becoming southwest in the evening.
Monday
A slight chance of showers. Partly sunny, with a high near 63. West southwest wind 6 to 9 mph becoming northwest in the afternoon.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 64.
Click Map For Forecast
Disclaimer
Map Legend
Point Forecast:
Lewistown MT
 47.07°N 109.43°W (Elev. 3898 ft)
Last Update:
7:51 pm MDT Sep 29, 2022
Forecast Valid:
11pm MDT Sep 29, 2022-6pm MDT Oct 6, 2022
 
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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