Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Hazardous Weather Conditions

Flood Watch until August 31, 09:00 PM MDT

Current conditions at

St George Regional Airport (KSGU)

Lat: 37.0451°NLon: 113.50561°WElev: 2872.0ft.

Clear

75°F

24°C

Humidity	33%
Wind Speed	SW 4 MPH
Barometer	29.93 in (1013.55 mb)
Dewpoint	45°F (7°C)
Visibility	10.00 mi
Last update	31 Aug 05:00 AM MDT

More Information:

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

Extended Forecast for

6 Miles NNE Washington UT

Flood Watch August 31, 05:15am until August 31, 09:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch August 31, 05:15am until August 31, 09:00pm
NOW until 9:00pm Mon
Flood Watch
Overnight
Low: 68 °F
Chance
Showers
Monday
High: 78 °F
Showers
Likely
Monday Night
Low: 61 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 82 °F
Slight Chance
Showers then
Slight Chance
T-storms
Tuesday Night
Low: 60 °F
Mostly Clear
Wednesday
High: 83 °F
Sunny
Wednesday Night
Low: 61 °F
Clear
Thursday
High: 85 °F
Sunny

Detailed Forecast

Overnight

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a steady temperature around 68. East northeast wind around 13 mph.

Monday

A chance of showers and thunderstorms before noon, then showers likely and possibly a thunderstorm between noon and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly cloudy, with a high near 78. East northeast wind 6 to 13 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Monday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Partly cloudy, with a low around 61. Northeast wind 8 to 15 mph. Chance of precipitation is 30%.

Tuesday

A slight chance of showers, with thunderstorms also possible after noon. Sunny, with a high near 82. East northeast wind 11 to 16 mph becoming south southwest in the afternoon. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 60. Southwest wind 8 to 13 mph becoming east southeast after midnight.

Wednesday

Sunny, with a high near 83.

Wednesday Night

Clear, with a low around 61.

Thursday

Sunny, with a high near 85.

Thursday Night

Clear, with a low around 63.

Friday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 85.