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

Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Saco US-2 MP 502.5 (MTSCO)

Lat: 48.45138°NLon: 107.30166°WElev: 2180.0ft.

NA

86°F

30°C

Humidity 28%
Wind Speed WNW 11 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Heat Index84°F (29°C)
Last update 17 Aug 04:46 PM MDT
Extended Forecast for

9 Miles WNW Saco MT

  • Tonight

    Tonight: A slight chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 59. West northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 64. South southwest wind around 6 mph becoming light and variable after midnight.

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 97. Calm wind becoming south southeast 5 to 7 mph in the afternoon.

    High: 97 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64. South wind around 7 mph becoming east northeast in the evening.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94. East wind 6 to 10 mph becoming north northwest in the afternoon.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. North northwest wind 6 to 10 mph.

    Low: 62 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 79. North northwest wind around 10 mph.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 53. North wind 6 to 10 mph.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 9pm and midnight. Mostly cloudy, with a low around 59. West northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Monday
Mostly sunny, with a high near 87. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 64. South southwest wind around 6 mph becoming light and variable after midnight.
Tuesday
Sunny and hot, with a high near 97. Calm wind becoming south southeast 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. South wind around 7 mph becoming east northeast in the evening.
Wednesday
Sunny, with a high near 94. East wind 6 to 10 mph becoming north northwest in the afternoon.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 62. North northwest wind 6 to 10 mph.
Thursday
Mostly sunny, with a high near 79. North northwest wind around 10 mph.
Thursday Night
Mostly clear, with a low around 53. North wind 6 to 10 mph.
Friday
Sunny, with a high near 75. North northwest wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 50. Northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Saco MT
 48.48°N 107.54°W (Elev. 2283 ft)
Last Update:
2:06 pm MDT Aug 17, 2025
Forecast Valid:
5pm MDT Aug 17, 2025-6pm MDT Aug 24, 2025
 
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