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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Nampa Municipal Airport (KMAN)

Lat: 43.5813°NLon: 116.5231°WElev: 2536.0ft.

Clear

77°F

25°C

Humidity 29%
Wind Speed N 4 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 28 Aug 12:55 PM MDT
Extended Forecast for

3 Miles S Nampa ID

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 87. Calm wind becoming southeast around 6 mph.

    High: 87 °F

    Mostly Cloudy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 63. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.

    Low: 63 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, then gradually becoming sunny, with a high near 86. South wind 5 to 9 mph becoming north in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 52. West northwest wind 9 to 13 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 77. Northwest wind around 7 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 87. Calm wind becoming southeast around 6 mph.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 63. South southeast wind 6 to 13 mph, with gusts as high as 23 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Partly sunny, then gradually becoming sunny, with a high near 86. South wind 5 to 9 mph becoming north in the afternoon.
Saturday Night
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 52. West northwest wind 9 to 13 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 77. Northwest wind around 7 mph.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Nampa ID
 43.53°N 116.56°W (Elev. 2546 ft)
Last Update:
12:29 pm MDT Aug 28, 2026
Forecast Valid:
1pm MDT Aug 28, 2026-6pm MDT Sep 3, 2026
 
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Additional Resources

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