REGION 15 FORECAST

PACIFIC NORTHWEST

SUMMARY: Winter temperatures and precipitation will be close to normal, on average, with below-normal snowfall. The coldest periods will occur in mid-January and early and late February. The snowiest periods will occur in early December and from mid- to late February. April and May will be slightly cooler and drier than normal. Summer will have slightly above-normal temperatures, on average, with above-normal precipitation. The hottest periods will be in mid-June, mid-July, and mid-August. September and October will be warmer and drier than normal.

NOV. 2020: Temp. 48° (1° above avg.); precip. 7.5" (1" above avg.). 1–8 Rainy periods; cold, then mild. 9–14 Occasional rain, cool. 15–20 Rainy; mild, then cool. 21–23 Snow north, rain south. 24–30 Rain, some heavy; mild.

DEC. 2020: Temp. 45° (2° above avg.); precip. 7.5" (avg. north, 2" above south). 1–3 Rainy periods. 4–8 Rain and snow. 9–13 Sunny, cold. 14–22 Rainy periods, mild. 23– 26 Sunny, cold. 27–31 Rainy periods, cool.

JAN. 2021: Temp. 44° (1° above avg.); precip. 3.5" (1" below avg. north, 4" below south). 1–8 Rainy periods, turning mild. 9–18 A few showers, turning cold. 19–24 Rain, then sunny, cool. 25–31 Sprinkles and flurries, cold.

FEB. 2021: Temp. 43° (1° below avg.); precip. 6" (1" above avg.). 1–3 Sunny, cold. 4–13 Rainy periods; mild, then cold. 14–15 Sunny, cool. 16–20 Rainy periods; cold north, mild south. 21–28 Snow, then sunny, cold.

MAR. 2021: Temp. 45° (2° below avg.); precip. 4" (avg.). 1–8 Rainy periods, cool. 9–12 Showers, mild. 13–20 Rainy periods, cool. 21–25 Rain and wet snow, cold. 26–31 Sunny, then rain; mild.

APR. 2021: Temp. 50° (avg.); precip. 3" (avg.). 1–5 Showers, mild. 6–17 Rainy periods, cool. 18–23 Sunny, turning warm. 24–30 Rainy periods, mild.

MAY 2021: Temp. 54° (1° below avg.); precip. 1.5" (0.5" below avg.). 1–9 Showers, then sunny, warm. 10–15 Sunny, cool. 16–24 Rainy periods, cool. 25–31 Sunny, cool.

JUNE 2021: Temp. 60° (avg.); precip. 1.5" (avg.). 1–9 Showers, cool. 10–15 Sunny, warm. 16–21 Showers, then sunny, hot. 22–30 Scattered t-storms; cool, then warm.

JULY 2021: Temp. 66° (1° above avg.); precip. 1" (0.5" above avg.). 1–4 Showers, cool. 5–11 Sunny, warm. 12–18 Showers, turning hot. 19–25 Sunny, cool. 26–31 T-storms, cool.

AUG. 2021: Temp. 65.5 (0.5° below avg.); precip. 2" (1" above avg.). 1–5 Sunny, cool. 6–19 Rainy periods, cool. 20–27 Sunny, hot. 28–31 T-storms, cool.

SEPT. 2021: Temp. 64° (3° above avg.); precip. 0.5" (1" below avg.). 1–9 A few showers, cool. 10–14 Sunny, warm. 15–22 Showers, then sunny, warm. 23–30 Scattered showers, warm.

OCT. 2021: Temp. 56° (2° above avg.); precip. 1" (2" below avg.). 1–4 Showers, warm. 5–15 Sunny, turning cool. 16–25 Rainy periods, mild. 26–31 Sunny, warm.