National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Sacramento County Decision Support Graphics

Quick access to heat, cold, precipitation, and wind graphics for emergency management partners.

Select a hazard from the dropdown, then choose a date. Use “Open full size” for briefings or sharing.

Note: Images generally update twice a day around 2:30 AM PST and 2:30 PM PST. This page is not an official product, and graphics may not always update. Maintained by the National Weather Service Sacramento, California forecast office.

Heat Risk — Day 1

Heat Risk Day 1 graphic

Viewing Heat Risk for Day 1. Click the image or “Open full size” to open the graphic in a separate window.

*Note: HeatRisk Probabilities are experimental and may be unavailable at times.

Watch/Warning/Advisory Products

No Products in Effect For Sacramento County

As of: 08/20 03:35 PM

City Point Forecast

Choose one city or station at a time. The data and calculations are unchanged; this only changes how the table is displayed.

Downtown Sac ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Minor Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
94% 93% 100% 100% 86% 98% 100%
HeatRisk
Prob Moderate+
<10% 11% 10% <10% <10% <10% <10%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
90-94° 87-94° 90-95° 90-95° 89-93° 90-93° 91-96°
High Temp
Forecast
91° 89° 91° 91° 89° 90° 93°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 60-62° 59-62° 60-62° 59-63° 58-61° 60-63°
Low Temp
Forecast
--° 61° 60° 61° 61° 59° 61°
Wind Gust
Prob 25 mph
--% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
-- 17-20 mph 17-19 mph 17-19 mph 17-20 mph 16-19 mph 14-18 mph
Wind Gust
Forecast
-- 18 mph 18 mph 18 mph 18 mph 17 mph 15 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Elk Grove ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Minor Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
94% 94% 100% 100% 89% 98% 100%
HeatRisk
Prob Moderate+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
88-93° 85-93° 88-93° 89-94° 87-92° 88-92° 90-95°
High Temp
Forecast
89° 88° 90° 90° 88° 89° 92°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 56-58° 56-58° 56-58° 56-59° 55-57° 56-58°
Low Temp
Forecast
--° 57° 57° 57° 57° 56° 57°
Wind Gust
Prob 25 mph
--% 4% 0% 0% 4% 0% 0%
Wind Gust
Range
-- 20-23 mph 19-22 mph 19-22 mph 19-23 mph 17-21 mph 16-20 mph
Wind Gust
Forecast
-- 21 mph 20 mph 20 mph 21 mph 19 mph 17 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Folsom ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Minor Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
100% 93% 100% 100% 93% 98% 100%
HeatRisk
Prob Moderate+
18% 18% 18% 26% <10% <10% 15%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
93-96° 89-96° 91-96° 92-97° 91-95° 91-94° 92-96°
High Temp
Forecast
93° 91° 92° 93° 91° 92° 94°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 59-61° 58-61° 59-61° 59-63° 57-61° 59-62°
Low Temp
Forecast
--° 60° 59° 60° 61° 59° 60°
Wind Gust
Prob 25 mph
--% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
-- 14-16 mph 14-16 mph 13-15 mph 14-16 mph 13-15 mph 12-15 mph
Wind Gust
Forecast
-- 15 mph 15 mph 14 mph 15 mph 13 mph 12 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Galt ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Minor Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
93% 94% 100% 100% 91% 96% 99%
HeatRisk
Prob Moderate+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
88-92° 85-92° 88-93° 89-94° 87-91° 88-91° 90-94°
High Temp
Forecast
89° 87° 90° 90° 88° 89° 91°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 57-59° 57-59° 57-59° 57-61° 55-58° 57-59°
Low Temp
Forecast
--° 58° 58° 58° 58° 56° 58°
Wind Gust
Prob 25 mph
--% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
-- 20-23 mph 19-22 mph 19-22 mph 19-23 mph 17-21 mph 16-21 mph
Wind Gust
Forecast
-- 21 mph 20 mph 20 mph 21 mph 19 mph 17 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Mather ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Moderate Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
93% 93% 100% 100% 86% 98% 100%
HeatRisk
Prob Moderate+
<10% 11% 10% <10% <10% <10% <10%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
90-95° 87-95° 90-95° 91-96° 89-94° 90-93° 91-96°
High Temp
Forecast
91° 89° 91° 92° 89° 91° 93°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 57-59° 56-59° 57-59° 57-61° 55-58° 57-59°
Low Temp
Forecast
--° 58° 57° 58° 58° 57° 58°
Wind Gust
Prob 25 mph
--% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
-- 17-19 mph 16-19 mph 15-18 mph 16-19 mph 15-18 mph 14-17 mph
Wind Gust
Forecast
-- 17 mph 17 mph 17 mph 17 mph 16 mph 15 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
McClellan ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Minor Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
90% 93% 100% 100% 86% 98% 100%
HeatRisk
Prob Moderate+
<10% 15% 19% 16% <10% <10% 11%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
92-96° 88-95° 91-95° 91-96° 90-95° 91-93° 92-96°
High Temp
Forecast
92° 90° 92° 92° 90° 91° 93°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 61-63° 60-63° 60-62° 60-64° 59-62° 60-64°
Low Temp
Forecast
--° 61° 61° 61° 62° 60° 62°
Wind Gust
Prob 25 mph
--% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
-- 16-18 mph 15-18 mph 15-17 mph 15-18 mph 15-18 mph 13-17 mph
Wind Gust
Forecast
-- 17 mph 16 mph 16 mph 17 mph 16 mph 14 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Rancho Murieta ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Minor Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
100% 93% 100% 100% 91% 98% 100%
HeatRisk
Prob Moderate+
<10% 14% 16% 11% <10% <10% <10%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
91-96° 88-95° 90-95° 91-97° 90-95° 91-94° 92-96°
High Temp
Forecast
92° 90° 92° 93° 91° 91° 93°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 58-60° 57-60° 58-61° 58-63° 56-60° 58-61°
Low Temp
Forecast
--° 59° 58° 59° 60° 58° 59°
Wind Gust
Prob 25 mph
--% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
-- 15-17 mph 15-18 mph 14-16 mph 15-18 mph 13-16 mph 13-16 mph
Wind Gust
Forecast
-- 16 mph 16 mph 15 mph 16 mph 15 mph 13 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Sac Exec ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Minor Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
99% 96% 100% 100% 89% 98% 100%
HeatRisk
Prob Moderate+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
88-93° 86-93° 89-94° 90-94° 87-92° 88-92° 90-95°
High Temp
Forecast
90° 88° 91° 90° 88° 90° 92°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 59-61° 58-60° 58-60° 58-61° 57-60° 58-61°
Low Temp
Forecast
--° 59° 59° 59° 59° 58° 59°
Wind Gust
Prob 25 mph
--% 17% 4% 4% 13% 4% 4%
Wind Gust
Range
-- 21-25 mph 20-23 mph 20-24 mph 20-25 mph 18-22 mph 17-22 mph
Wind Gust
Forecast
-- 23 mph 21 mph 21 mph 22 mph 20 mph 19 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Sac International ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Minor Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
99% 96% 100% 100% 86% 98% 100%
HeatRisk
Prob Moderate+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
90-94° 88-94° 90-94° 90-95° 89-93° 89-92° 91-95°
High Temp
Forecast
91° 90° 91° 91° 89° 90° 92°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 57-59° 56-58° 56-58° 56-60° 55-58° 56-59°
Low Temp
Forecast
--° 58° 57° 57° 58° 56° 57°
Wind Gust
Prob 25 mph
--% 0% 0% 0% 0% 0% 0%
Wind Gust
Range
-- 18-20 mph 17-19 mph 17-20 mph 17-21 mph 15-19 mph 14-19 mph
Wind Gust
Forecast
-- 19 mph 18 mph 18 mph 19 mph 17 mph 16 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"
Walnut Grove ThursdayAug. 20 FridayAug. 21 SaturdayAug. 22 SundayAug. 23 MondayAug. 24 TuesdayAug. 25 WednesdayAug. 26
HeatRisk
Forecast
Minor Minor Minor Minor Minor Minor Minor
HeatRisk
Prob Minor+
93% 98% 100% 100% 94% 98% 100%
HeatRisk
Prob Moderate+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Major+
<10% <10% <10% <10% <10% <10% <10%
HeatRisk
Prob Extreme+
<10% <10% <10% <10% <10% <10% <10%
High Temp
Prob 105°
0% 0% 0% 0% 0% 0% 0%
High Temp
Range
85-89° 83-90° 86-91° 87-92° 85-89° 86-89° 88-93°
High Temp
Forecast
86° 86° 88° 88° 86° 87° 90°
Low Temp
Prob 75°
or Higher
--% 0% 0% 0% 0% 0% 0%
Low Temp
Range
--° 56-58° 56-58° 56-58° 56-59° 55-57° 56-58°
Low Temp
Forecast
--° 57° 57° 57° 57° 56° 57°
Wind Gust
Prob 25 mph
--% 43% 26% 17% 35% 17% 17%
Wind Gust
Range
-- 24-27 mph 22-26 mph 22-25 mph 23-27 mph 21-25 mph 20-25 mph
Wind Gust
Forecast
-- 25 mph 24 mph 23 mph 24 mph 23 mph 21 mph
Rain
Prob 0.25"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 0.5"
--% 0% 0% 0% 0% 0% 0%
Rain
Prob 1.0"
--% 0% 0% 0% 0% 0% 0%
Rain
Range
-- 0.00" 0.00" 0.00" 0.00" 0.00" 0.00"
Rain
Forecast
-- 0.0" 0.0" 0.0" 0.0" 0.0" 0.0"

Legend

HeatRisk

Low Minor Moderate Major Extreme

High Temperature

< <10% 10-39% 40-69% >70%

Low Temperature / Warm Nights

< <10% 10-39% 40-69% >70%

Snow

< <10% 10-39% 40-69% >70%

Wind

< <10% 10-39% 40-69% >70%

Rain

< <10% 10-39% 40-69% >70%

Updated: 08/20 03:35 PM

Source: NBM (08/20/2026 19z)