Scattered showers and storms are expected across portions of the Central and Eastern U.S. through the end of the week. Meanwhile, dangerous heat will intensify across the Desert Southwest and Intermountain West. Hot, dry weather and increasing winds will allow elevated wildfire conditions to return to the northern Intermountain West, where air quality issues persist from ongoing fires. Read More >
Quick access to heat, cold, precipitation, snow, 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.
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
Heat Advisory For Tuolumne County
As of: 08/06 03:36 PM
Choose one city or station at a time. The data and calculations are unchanged; this only changes how the table is displayed.
| Groveland Big Oak | ThursdayAug. 06 | FridayAug. 07 | SaturdayAug. 08 | SundayAug. 09 | MondayAug. 10 | TuesdayAug. 11 | WednesdayAug. 12 |
|---|---|---|---|---|---|---|---|
| HeatRisk Forecast |
Moderate | Moderate | Major | Major | Moderate | Moderate | Moderate |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 100% | 100% | 100% |
| HeatRisk Prob Moderate+ |
100% | 100% | 100% | 100% | 99% | 95% | 87% |
| HeatRisk Prob Major+ |
<10% | <10% | 16% | 41% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
0% | 0% | 0% | 16% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
97-98° | 96-98° | 97-99° | 98-100° | 95-98° | 92-94° | 90-92° |
| High Temp Forecast |
97° | 97° | 97° | 99° | 96° | 93° | 91° |
| Low Temp Prob 75° or Higher |
--% | 32% | 37% | 37% | 21% | 5% | 0% |
| Low Temp Range |
--° | 73-76° | 73-76° | 72-76° | 71-75° | 69-74° | 69-72° |
| Low Temp Forecast |
--° | 74° | 74° | 74° | 73° | 71° | 70° |
| Wind Gust Prob 25 mph |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind Gust Range |
-- | 17-21 mph | 16-21 mph | 18-20 mph | 18-21 mph | 17-20 mph | 17-20 mph |
| Wind Gust Forecast |
-- | 18 mph | 18 mph | 19 mph | 19 mph | 18 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" |
| Keystone | ThursdayAug. 06 | FridayAug. 07 | SaturdayAug. 08 | SundayAug. 09 | MondayAug. 10 | TuesdayAug. 11 | WednesdayAug. 12 |
| HeatRisk Forecast |
Moderate | Moderate | Moderate | Moderate | Moderate | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 100% | 100% | 100% |
| HeatRisk Prob Moderate+ |
95% | 89% | 95% | 90% | 84% | 46% | 22% |
| HeatRisk Prob Major+ |
<10% | <10% | 12% | 42% | 11% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
63% | 63% | 84% | 89% | 74% | 11% | 5% |
| High Temp Prob 105° |
0% | 0% | 5% | 26% | 0% | 0% | 0% |
| High Temp Range |
99-102° | 99-103° | 102-104° | 103-106° | 100-103° | 97-100° | 95-99° |
| High Temp Forecast |
100° | 100° | 102° | 104° | 101° | 98° | 97° |
| Low Temp Prob 75° or Higher |
--% | 0% | 26% | 42% | 21% | 5% | 0% |
| Low Temp Range |
--° | 69-73° | 71-75° | 70-76° | 69-75° | 65-73° | 66-70° |
| Low Temp Forecast |
--° | 71° | 73° | 73° | 72° | 69° | 68° |
| Wind Gust Prob 25 mph |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind Gust Range |
-- | 19-22 mph | 18-22 mph | 17-20 mph | 17-21 mph | 16-19 mph | 17-21 mph |
| Wind Gust Forecast |
-- | 20 mph | 19 mph | 18 mph | 19 mph | 17 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" |
| Moccasin | ThursdayAug. 06 | FridayAug. 07 | SaturdayAug. 08 | SundayAug. 09 | MondayAug. 10 | TuesdayAug. 11 | WednesdayAug. 12 |
| HeatRisk Forecast |
Moderate | Moderate | Moderate | Moderate | Minor | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 100% | 100% | 100% |
| HeatRisk Prob Moderate+ |
57% | 87% | 86% | 71% | 28% | <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 100° |
0% | 5% | 11% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
94-97° | 97-99° | 96-99° | 95-97° | 92-94° | 89-92° | 90-93° |
| High Temp Forecast |
95° | 97° | 97° | 95° | 93° | 91° | 91° |
| Low Temp Prob 75° or Higher |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 57-61° | 62-64° | 57-64° | 56-61° | 54-59° | 54-58° |
| Low Temp Forecast |
--° | 59° | 62° | 61° | 58° | 56° | 56° |
| Wind Gust Prob 25 mph |
--% | 26% | 43% | 43% | 48% | 39% | 30% |
| Wind Gust Range |
-- | 20-26 mph | 23-28 mph | 23-28 mph | 23-31 mph | 23-29 mph | 22-27 mph |
| Wind Gust Forecast |
-- | 22 mph | 24 mph | 25 mph | 26 mph | 25 mph | 24 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" |
| Pinecrest | ThursdayAug. 06 | FridayAug. 07 | SaturdayAug. 08 | SundayAug. 09 | MondayAug. 10 | TuesdayAug. 11 | WednesdayAug. 12 |
| HeatRisk Forecast |
Moderate | Moderate | Moderate | Moderate | Minor | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 100% | 100% | 100% |
| HeatRisk Prob Moderate+ |
97% | 100% | 99% | 63% | 19% | <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 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
92-94° | 93-95° | 92-94° | 91-93° | 88-90° | 85-88° | 84-86° |
| High Temp Forecast |
93° | 94° | 93° | 91° | 89° | 86° | 85° |
| Low Temp Prob 75° or Higher |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 59-62° | 59-62° | 58-60° | 56-58° | 54-57° | 52-55° |
| Low Temp Forecast |
--° | 60° | 60° | 59° | 57° | 55° | 53° |
| Wind Gust Prob 25 mph |
--% | 4% | 0% | 0% | 22% | 13% | 4% |
| Wind Gust Range |
-- | 12-21 mph | 13-22 mph | 17-21 mph | 19-25 mph | 18-24 mph | 16-21 mph |
| Wind Gust Forecast |
-- | 16 mph | 17 mph | 19 mph | 22 mph | 21 mph | 18 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" |
| Sonora | ThursdayAug. 06 | FridayAug. 07 | SaturdayAug. 08 | SundayAug. 09 | MondayAug. 10 | TuesdayAug. 11 | WednesdayAug. 12 |
| HeatRisk Forecast |
Moderate | Moderate | Moderate | Moderate | Moderate | Minor | Minor |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 100% | 100% | 100% |
| HeatRisk Prob Moderate+ |
100% | 96% | 99% | 100% | 90% | 40% | 12% |
| HeatRisk Prob Major+ |
<10% | <10% | 10% | 30% | <10% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | <10% | <10% | <10% | <10% | <10% | <10% |
| High Temp Prob 100° |
16% | 26% | 47% | 74% | 16% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
98-100° | 98-100° | 99-101° | 100-102° | 97-100° | 94-96° | 93-95° |
| High Temp Forecast |
99° | 99° | 100° | 101° | 98° | 95° | 93° |
| Low Temp Prob 75° or Higher |
--% | 0% | 5% | 5% | 0% | 0% | 0% |
| Low Temp Range |
--° | 71-73° | 72-74° | 72-74° | 70-73° | 68-72° | 67-70° |
| Low Temp Forecast |
--° | 72° | 73° | 73° | 71° | 70° | 68° |
| Wind Gust Prob 25 mph |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind Gust Range |
-- | 16-19 mph | 16-19 mph | 17-19 mph | 17-19 mph | 16-19 mph | 17-19 mph |
| Wind Gust Forecast |
-- | 17 mph | 17 mph | 17 mph | 18 mph | 18 mph | 18 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" |
| Sonora Pass | ThursdayAug. 06 | FridayAug. 07 | SaturdayAug. 08 | SundayAug. 09 | MondayAug. 10 | TuesdayAug. 11 | WednesdayAug. 12 |
| HeatRisk Forecast |
Minor | Minor | Minor | Minor | Minor | Minor | Low |
| HeatRisk Prob Minor+ |
100% | 99% | 99% | 100% | 88% | 71% | 68% |
| 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 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
75-78° | 75-78° | 75-79° | 74-77° | 71-74° | 69-73° | 68-72° |
| High Temp Forecast |
76° | 76° | 76° | 75° | 72° | 71° | 69° |
| Low Temp Prob 75° or Higher |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 54-57° | 54-58° | 52-56° | 51-54° | 49-52° | 48-51° |
| Low Temp Forecast |
--° | 55° | 56° | 54° | 52° | 50° | 49° |
| Wind Gust Prob 25 mph |
--% | 0% | 9% | 57% | 70% | 65% | 43% |
| Wind Gust Range |
-- | 15-20 mph | 17-24 mph | 24-30 mph | 27-35 mph | 26-33 mph | 22-31 mph |
| Wind Gust Forecast |
-- | 17 mph | 20 mph | 26 mph | 30 mph | 29 mph | 25 mph |
| Rain Prob 0.25" |
--% | 0% | 0% | 0% | 0% | 0% | 5% |
| Rain Prob 0.5" |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00-0.02" | 0.00-0.02" | 0.00-0.02" | 0.00" | 0.00" | 0.00-0.05" |
| Rain Forecast |
-- | 0.02" | 0.02" | 0.02" | 0.0" | 0.0" | 0.03" |
| Tioga Pass | ThursdayAug. 06 | FridayAug. 07 | SaturdayAug. 08 | SundayAug. 09 | MondayAug. 10 | TuesdayAug. 11 | WednesdayAug. 12 |
| HeatRisk Forecast |
-- | -- | -- | -- | -- | -- | -- |
| HeatRisk Prob Minor+ |
95% | 88% | 75% | 65% | 36% | 20% | <10% |
| 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 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
71-74° | 72-74° | 70-74° | 70-73° | 68-72° | 65-70° | 64-69° |
| High Temp Forecast |
73° | 72° | 72° | 71° | 69° | 68° | 66° |
| Low Temp Prob 75° or Higher |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 51-54° | 51-54° | 49-52° | 45-49° | 44-48° | 44-47° |
| Low Temp Forecast |
--° | 52° | 52° | 50° | 47° | 46° | 45° |
| Wind Gust Prob 25 mph |
--% | 4% | 4% | 13% | 43% | 35% | 26% |
| Wind Gust Range |
-- | 18-22 mph | 17-24 mph | 19-25 mph | 23-31 mph | 22-30 mph | 19-29 mph |
| Wind Gust Forecast |
-- | 19 mph | 20 mph | 22 mph | 26 mph | 25 mph | 23 mph |
| Rain Prob 0.25" |
--% | 0% | 5% | 11% | 0% | 0% | 11% |
| Rain Prob 0.5" |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain Prob 1.0" |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Rain Range |
-- | 0.00-0.06" | 0.00-0.1" | 0.00-0.15" | 0.00" | 0.00" | 0.00-0.11" |
| Rain Forecast |
-- | 0.01" | 0.06" | 0.06" | 0.0" | 0.0" | 0.07" |
| Twain Harte | ThursdayAug. 06 | FridayAug. 07 | SaturdayAug. 08 | SundayAug. 09 | MondayAug. 10 | TuesdayAug. 11 | WednesdayAug. 12 |
| HeatRisk Forecast |
Moderate | Moderate | Major | Major | Moderate | Moderate | Moderate |
| HeatRisk Prob Minor+ |
100% | 100% | 100% | 100% | 100% | 100% | 100% |
| HeatRisk Prob Moderate+ |
100% | 100% | 100% | 100% | 99% | 82% | 56% |
| HeatRisk Prob Major+ |
68% | 49% | 56% | 63% | 11% | <10% | <10% |
| HeatRisk Prob Extreme+ |
<10% | 25% | 33% | 27% | <10% | <10% | <10% |
| High Temp Prob 100° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Prob 105° |
0% | 0% | 0% | 0% | 0% | 0% | 0% |
| High Temp Range |
97-98° | 96-98° | 96-98° | 97-99° | 94-97° | 91-93° | 89-91° |
| High Temp Forecast |
97° | 97° | 97° | 97° | 95° | 91° | 90° |
| Low Temp Prob 75° or Higher |
--% | 11% | 11% | 0% | 0% | 0% | 0% |
| Low Temp Range |
--° | 72-74° | 72-74° | 72-73° | 70-73° | 68-72° | 67-70° |
| Low Temp Forecast |
--° | 73° | 73° | 73° | 71° | 70° | 68° |
| Wind Gust Prob 25 mph |
--% | 0% | 0% | 0% | 0% | 0% | 0% |
| Wind Gust Range |
-- | 15-18 mph | 13-19 mph | 15-18 mph | 17-20 mph | 16-20 mph | 15-19 mph |
| Wind Gust Forecast |
-- | 16 mph | 16 mph | 17 mph | 18 mph | 17 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" |
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: 08/06 03:36 PM
Source: NBM (08/06/2026 19z)
Follow us on X
Follow us on Facebook
Follow us on YouTube
STO RSS Feed