Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Red Flag Warning in effect from August 13, 12:00 PM MDT until August 13, 09:00 PM MDT

Current conditions at

Salmon, Lemhi County Airport (KSMN)

Lat: 45.11667°NLon: 113.88333°WElev: 4045.0ft.

Partly Cloudy

64°F

18°C

Humidity	67%
Wind Speed	SW 4 MPH
Barometer	29.96 in (1014.56 mb)
Dewpoint	54°F (12°C)
Visibility	9.00 mi
Last update	13 Aug 10:00 AM MDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

19 Miles W Grant MT

Red Flag Warning August 13, 12:00pm until August 13, 09:00pm

Click here for hazard details and duration

Red Flag Warning

Today
High: 66 °F
Patchy Smoke
then Chance
T-storms
Tonight
Low: 49 °F
Rain Likely
Friday
High: 60 °F
Chance
Showers then
Showers
Friday Night
Low: 46 °F
Showers
Likely then
Slight Chance
Rain
Saturday
High: 62 °F
Mostly Sunny
then Showers
Likely
Saturday Night
Low: 46 °F
Chance
T-storms then
Partly Cloudy
Sunday
High: 65 °F
Mostly Sunny
Sunday Night
Low: 49 °F
Mostly Cloudy
Monday
High: 66 °F
Partly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly after 3pm. Patchy smoke before 4pm, then patchy smoke after 5pm. Mostly cloudy, with a high near 66. West southwest wind 6 to 9 mph.

Tonight

Rain and thunderstorms likely before 3am, then a chance of rain after 5am. Widespread smoke, mainly between 11pm and 5am. Mostly cloudy, with a low around 49. West southwest wind 6 to 8 mph becoming east northeast in the evening. Chance of precipitation is 60%.

Friday

Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Patchy smoke before 7am. High near 60. South southeast wind 7 to 9 mph becoming west in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers likely and possibly a thunderstorm before 9pm, then rain likely, mainly between 9pm and midnight. Mostly cloudy, with a low around 46. West wind around 6 mph becoming east after midnight. Chance of precipitation is 60%.

Saturday

Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 62. East wind 6 to 8 mph becoming west in the afternoon. Chance of precipitation is 60%.

Saturday Night

A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.

Sunday

Mostly sunny, with a high near 65.

Sunday Night

Mostly cloudy, with a low around 49.

Monday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 66.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of rain after midnight. Mostly cloudy, with a low around 49.

Tuesday

A chance of rain and thunderstorms. Partly sunny, with a high near 65.

Tuesday Night

A chance of rain and thunderstorms. Mostly cloudy, with a low around 48.